mirror of
https://github.com/sudo-project/sudo.git
synced 2025-08-22 01:49:11 +00:00
Move the check for the fallthrough attribute outside the warnings block.
Use AX_APPEND_FLAG instead of addind to CFLAGS directly.
This commit is contained in:
Todd C. Miller
parent
63e58cbbec
commit
cfdcd96b63
631
configure
vendored
631
configure
vendored
@ -31802,7 +31802,40 @@ then :
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printf "%s\n" "#define HAVE_DSO_VISIBILITY 1" >>confdefs.h
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CFLAGS="${CFLAGS} -fvisibility=hidden"
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if test ${CFLAGS+y}
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then :
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case " $CFLAGS " in #(
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*" -fvisibility=hidden "*) :
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{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: : CFLAGS already contains -fvisibility=hidden"; } >&5
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(: CFLAGS already contains -fvisibility=hidden) 2>&5
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ac_status=$?
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printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
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test $ac_status = 0; } ;; #(
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*) :
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as_fn_append CFLAGS " -fvisibility=hidden"
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{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: : CFLAGS=\"\$CFLAGS\""; } >&5
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(: CFLAGS="$CFLAGS") 2>&5
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ac_status=$?
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printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
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test $ac_status = 0; }
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;;
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esac
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else case e in #(
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e)
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CFLAGS=-fvisibility=hidden
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{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: : CFLAGS=\"\$CFLAGS\""; } >&5
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(: CFLAGS="$CFLAGS") 2>&5
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ac_status=$?
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printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
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test $ac_status = 0; }
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;;
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esac
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fi
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LT_LDEXPORTS=
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LT_LDDEP=
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@ -31889,7 +31922,40 @@ printf "%s\n" "$sudo_cv_var_hpux_declspec_libc_function" >&6; }
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if test "$sudo_cv_var_hpux_declspec_libc_function" = "yes"; then
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printf "%s\n" "#define HAVE_DSO_VISIBILITY 1" >>confdefs.h
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CFLAGS="${CFLAGS} -Bhidden_def"
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if test ${CFLAGS+y}
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then :
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case " $CFLAGS " in #(
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*" -Bhidden_def "*) :
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{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: : CFLAGS already contains -Bhidden_def"; } >&5
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(: CFLAGS already contains -Bhidden_def) 2>&5
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ac_status=$?
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printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
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test $ac_status = 0; } ;; #(
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*) :
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as_fn_append CFLAGS " -Bhidden_def"
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{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: : CFLAGS=\"\$CFLAGS\""; } >&5
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(: CFLAGS="$CFLAGS") 2>&5
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ac_status=$?
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printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
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test $ac_status = 0; }
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;;
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esac
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else case e in #(
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e)
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CFLAGS=-Bhidden_def
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{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: : CFLAGS=\"\$CFLAGS\""; } >&5
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(: CFLAGS="$CFLAGS") 2>&5
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ac_status=$?
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printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
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test $ac_status = 0; }
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;;
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esac
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fi
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LT_LDEXPORTS=
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LT_LDDEP=
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fi
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@ -31939,7 +32005,40 @@ then :
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printf "%s\n" "#define HAVE_DSO_VISIBILITY 1" >>confdefs.h
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CFLAGS="${CFLAGS} -xldscope=hidden"
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if test ${CFLAGS+y}
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then :
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case " $CFLAGS " in #(
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*" -xldscope=hidden "*) :
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{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: : CFLAGS already contains -xldscope=hidden"; } >&5
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(: CFLAGS already contains -xldscope=hidden) 2>&5
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ac_status=$?
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printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
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test $ac_status = 0; } ;; #(
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*) :
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as_fn_append CFLAGS " -xldscope=hidden"
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{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: : CFLAGS=\"\$CFLAGS\""; } >&5
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(: CFLAGS="$CFLAGS") 2>&5
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ac_status=$?
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printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
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test $ac_status = 0; }
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;;
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esac
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else case e in #(
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e)
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CFLAGS=-xldscope=hidden
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{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: : CFLAGS=\"\$CFLAGS\""; } >&5
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(: CFLAGS="$CFLAGS") 2>&5
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ac_status=$?
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printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
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test $ac_status = 0; }
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;;
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esac
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fi
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LT_LDEXPORTS=
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LT_LDDEP=
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@ -33563,46 +33662,290 @@ printf "%s\n" "#define os_init $OS_INIT" >>confdefs.h
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if test -n "$GCC"; then
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if test X"$enable_warnings" = X"yes" -o X"$with_devel" = X"yes"; then
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CFLAGS="${CFLAGS} -Wall -Wsign-compare -Wpointer-arith -Wno-unknown-pragmas -Wmissing-prototypes -Wwrite-strings"
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{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether C compiler accepts -Wshadow" >&5
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printf %s "checking whether C compiler accepts -Wshadow... " >&6; }
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if test ${ax_cv_check_cflags___Wshadow+y}
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#
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# The fallthrough attribute is supported by gcc 7.0 and clang 10.
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# This test relies on AC_LANG_WERROR.
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#
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{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports the fallthrough attribute" >&5
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printf %s "checking whether $CC supports the fallthrough attribute... " >&6; }
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if test ${sudo_cv_var_fallthrough_attribute+y}
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then :
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printf %s "(cached) " >&6
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else case e in #(
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e)
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ax_check_save_flags=$CFLAGS
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CFLAGS="$CFLAGS -Wshadow"
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cat confdefs.h - <<_ACEOF >conftest.$ac_ext
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e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
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/* end confdefs.h. */
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int
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main (void)
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{
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int main(int argc, char *argv[])
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{
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int num = argc + 1;
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switch (num) {
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case 1:
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num = 0;
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__attribute__((__fallthrough__));
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case 0:
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num++;
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}
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return num;
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}
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;
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return 0;
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}
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_ACEOF
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if ac_fn_c_try_compile "$LINENO"
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then :
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ax_cv_check_cflags___Wshadow=yes
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sudo_cv_var_fallthrough_attribute=yes
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else case e in #(
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e) ax_cv_check_cflags___Wshadow=no ;;
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e)
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sudo_cv_var_fallthrough_attribute=no
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;;
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esac
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fi
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rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
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CFLAGS=$ax_check_save_flags ;;
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;;
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esac
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fi
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{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_check_cflags___Wshadow" >&5
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printf "%s\n" "$ax_cv_check_cflags___Wshadow" >&6; }
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if test "x$ax_cv_check_cflags___Wshadow" = xyes
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{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $sudo_cv_var_fallthrough_attribute" >&5
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printf "%s\n" "$sudo_cv_var_fallthrough_attribute" >&6; }
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if test X"$sudo_cv_var_fallthrough_attribute" = X"yes"; then
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printf "%s\n" "#define HAVE_FALLTHROUGH_ATTRIBUTE 1" >>confdefs.h
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fi
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if test X"$enable_warnings" = X"yes" -o X"$with_devel" = X"yes"; then
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if test ${CFLAGS+y}
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then :
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CFLAGS="$CFLAGS -Wshadow"
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case " $CFLAGS " in #(
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*" -Wall "*) :
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{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: : CFLAGS already contains -Wall"; } >&5
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(: CFLAGS already contains -Wall) 2>&5
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ac_status=$?
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printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
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test $ac_status = 0; } ;; #(
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*) :
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as_fn_append CFLAGS " -Wall"
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{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: : CFLAGS=\"\$CFLAGS\""; } >&5
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(: CFLAGS="$CFLAGS") 2>&5
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ac_status=$?
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printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
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test $ac_status = 0; }
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;;
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esac
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else case e in #(
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e) : ;;
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e)
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CFLAGS=-Wall
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{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: : CFLAGS=\"\$CFLAGS\""; } >&5
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(: CFLAGS="$CFLAGS") 2>&5
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ac_status=$?
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printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
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test $ac_status = 0; }
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;;
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esac
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fi
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if test ${CFLAGS+y}
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then :
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case " $CFLAGS " in #(
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*" -Wmissing-prototypes "*) :
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{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: : CFLAGS already contains -Wmissing-prototypes"; } >&5
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(: CFLAGS already contains -Wmissing-prototypes) 2>&5
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ac_status=$?
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printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
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test $ac_status = 0; } ;; #(
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*) :
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as_fn_append CFLAGS " -Wmissing-prototypes"
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{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: : CFLAGS=\"\$CFLAGS\""; } >&5
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(: CFLAGS="$CFLAGS") 2>&5
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ac_status=$?
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printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
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test $ac_status = 0; }
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;;
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esac
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else case e in #(
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e)
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CFLAGS=-Wmissing-prototypes
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{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: : CFLAGS=\"\$CFLAGS\""; } >&5
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(: CFLAGS="$CFLAGS") 2>&5
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ac_status=$?
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printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
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test $ac_status = 0; }
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;;
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esac
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fi
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if test ${CFLAGS+y}
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then :
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case " $CFLAGS " in #(
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*" -Wno-unknown-pragmas "*) :
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{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: : CFLAGS already contains -Wno-unknown-pragmas"; } >&5
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(: CFLAGS already contains -Wno-unknown-pragmas) 2>&5
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ac_status=$?
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printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
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test $ac_status = 0; } ;; #(
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*) :
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as_fn_append CFLAGS " -Wno-unknown-pragmas"
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{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: : CFLAGS=\"\$CFLAGS\""; } >&5
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(: CFLAGS="$CFLAGS") 2>&5
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ac_status=$?
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printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
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test $ac_status = 0; }
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;;
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esac
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else case e in #(
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e)
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CFLAGS=-Wno-unknown-pragmas
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{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: : CFLAGS=\"\$CFLAGS\""; } >&5
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(: CFLAGS="$CFLAGS") 2>&5
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ac_status=$?
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printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
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test $ac_status = 0; }
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;;
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esac
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fi
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if test ${CFLAGS+y}
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then :
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case " $CFLAGS " in #(
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*" -Wpointer-arith "*) :
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{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: : CFLAGS already contains -Wpointer-arith"; } >&5
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(: CFLAGS already contains -Wpointer-arith) 2>&5
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ac_status=$?
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printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
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test $ac_status = 0; } ;; #(
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*) :
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as_fn_append CFLAGS " -Wpointer-arith"
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{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: : CFLAGS=\"\$CFLAGS\""; } >&5
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(: CFLAGS="$CFLAGS") 2>&5
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ac_status=$?
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printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
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test $ac_status = 0; }
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;;
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esac
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else case e in #(
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e)
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CFLAGS=-Wpointer-arith
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{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: : CFLAGS=\"\$CFLAGS\""; } >&5
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(: CFLAGS="$CFLAGS") 2>&5
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ac_status=$?
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printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
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test $ac_status = 0; }
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;;
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esac
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fi
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if test ${CFLAGS+y}
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then :
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case " $CFLAGS " in #(
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*" -Wshadow "*) :
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{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: : CFLAGS already contains -Wshadow"; } >&5
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(: CFLAGS already contains -Wshadow) 2>&5
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ac_status=$?
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printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
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test $ac_status = 0; } ;; #(
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*) :
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as_fn_append CFLAGS " -Wshadow"
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{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: : CFLAGS=\"\$CFLAGS\""; } >&5
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(: CFLAGS="$CFLAGS") 2>&5
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ac_status=$?
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printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
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test $ac_status = 0; }
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;;
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esac
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else case e in #(
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e)
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CFLAGS=-Wshadow
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{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: : CFLAGS=\"\$CFLAGS\""; } >&5
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(: CFLAGS="$CFLAGS") 2>&5
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ac_status=$?
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printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
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test $ac_status = 0; }
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;;
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esac
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fi
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if test ${CFLAGS+y}
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then :
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case " $CFLAGS " in #(
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*" -Wsign-compare "*) :
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{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: : CFLAGS already contains -Wsign-compare"; } >&5
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(: CFLAGS already contains -Wsign-compare) 2>&5
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ac_status=$?
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printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
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test $ac_status = 0; } ;; #(
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*) :
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as_fn_append CFLAGS " -Wsign-compare"
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{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: : CFLAGS=\"\$CFLAGS\""; } >&5
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(: CFLAGS="$CFLAGS") 2>&5
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ac_status=$?
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printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
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test $ac_status = 0; }
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;;
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esac
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else case e in #(
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e)
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CFLAGS=-Wsign-compare
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{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: : CFLAGS=\"\$CFLAGS\""; } >&5
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(: CFLAGS="$CFLAGS") 2>&5
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ac_status=$?
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printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
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test $ac_status = 0; }
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;;
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esac
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fi
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if test ${CFLAGS+y}
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then :
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case " $CFLAGS " in #(
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*" -Wwrite-strings "*) :
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{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: : CFLAGS already contains -Wwrite-strings"; } >&5
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(: CFLAGS already contains -Wwrite-strings) 2>&5
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ac_status=$?
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printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
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test $ac_status = 0; } ;; #(
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*) :
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as_fn_append CFLAGS " -Wwrite-strings"
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{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: : CFLAGS=\"\$CFLAGS\""; } >&5
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(: CFLAGS="$CFLAGS") 2>&5
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ac_status=$?
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printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
|
||||
test $ac_status = 0; }
|
||||
;;
|
||||
esac
|
||||
|
||||
else case e in #(
|
||||
e)
|
||||
CFLAGS=-Wwrite-strings
|
||||
{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: : CFLAGS=\"\$CFLAGS\""; } >&5
|
||||
(: CFLAGS="$CFLAGS") 2>&5
|
||||
ac_status=$?
|
||||
printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
|
||||
test $ac_status = 0; }
|
||||
;;
|
||||
esac
|
||||
fi
|
||||
|
||||
@ -33641,7 +33984,40 @@ fi
|
||||
printf "%s\n" "$ax_cv_check_cflags___Wvla" >&6; }
|
||||
if test "x$ax_cv_check_cflags___Wvla" = xyes
|
||||
then :
|
||||
CFLAGS="$CFLAGS -Wvla"
|
||||
|
||||
if test ${CFLAGS+y}
|
||||
then :
|
||||
|
||||
case " $CFLAGS " in #(
|
||||
*" -Wvla "*) :
|
||||
{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: : CFLAGS already contains -Wvla"; } >&5
|
||||
(: CFLAGS already contains -Wvla) 2>&5
|
||||
ac_status=$?
|
||||
printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
|
||||
test $ac_status = 0; } ;; #(
|
||||
*) :
|
||||
|
||||
as_fn_append CFLAGS " -Wvla"
|
||||
{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: : CFLAGS=\"\$CFLAGS\""; } >&5
|
||||
(: CFLAGS="$CFLAGS") 2>&5
|
||||
ac_status=$?
|
||||
printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
|
||||
test $ac_status = 0; }
|
||||
;;
|
||||
esac
|
||||
|
||||
else case e in #(
|
||||
e)
|
||||
CFLAGS=-Wvla
|
||||
{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: : CFLAGS=\"\$CFLAGS\""; } >&5
|
||||
(: CFLAGS="$CFLAGS") 2>&5
|
||||
ac_status=$?
|
||||
printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
|
||||
test $ac_status = 0; }
|
||||
;;
|
||||
esac
|
||||
fi
|
||||
|
||||
else case e in #(
|
||||
e) : ;;
|
||||
esac
|
||||
@ -33682,7 +34058,40 @@ fi
|
||||
printf "%s\n" "$ax_cv_check_cflags___Walloca" >&6; }
|
||||
if test "x$ax_cv_check_cflags___Walloca" = xyes
|
||||
then :
|
||||
CFLAGS="$CFLAGS -Walloca"
|
||||
|
||||
if test ${CFLAGS+y}
|
||||
then :
|
||||
|
||||
case " $CFLAGS " in #(
|
||||
*" -Walloca "*) :
|
||||
{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: : CFLAGS already contains -Walloca"; } >&5
|
||||
(: CFLAGS already contains -Walloca) 2>&5
|
||||
ac_status=$?
|
||||
printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
|
||||
test $ac_status = 0; } ;; #(
|
||||
*) :
|
||||
|
||||
as_fn_append CFLAGS " -Walloca"
|
||||
{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: : CFLAGS=\"\$CFLAGS\""; } >&5
|
||||
(: CFLAGS="$CFLAGS") 2>&5
|
||||
ac_status=$?
|
||||
printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
|
||||
test $ac_status = 0; }
|
||||
;;
|
||||
esac
|
||||
|
||||
else case e in #(
|
||||
e)
|
||||
CFLAGS=-Walloca
|
||||
{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: : CFLAGS=\"\$CFLAGS\""; } >&5
|
||||
(: CFLAGS="$CFLAGS") 2>&5
|
||||
ac_status=$?
|
||||
printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
|
||||
test $ac_status = 0; }
|
||||
;;
|
||||
esac
|
||||
fi
|
||||
|
||||
else case e in #(
|
||||
e) : ;;
|
||||
esac
|
||||
@ -33723,64 +34132,154 @@ fi
|
||||
printf "%s\n" "$ax_cv_check_cflags___Wtrampolines" >&6; }
|
||||
if test "x$ax_cv_check_cflags___Wtrampolines" = xyes
|
||||
then :
|
||||
CFLAGS="$CFLAGS -Wtrampolines"
|
||||
|
||||
if test ${CFLAGS+y}
|
||||
then :
|
||||
|
||||
case " $CFLAGS " in #(
|
||||
*" -Wtrampolines "*) :
|
||||
{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: : CFLAGS already contains -Wtrampolines"; } >&5
|
||||
(: CFLAGS already contains -Wtrampolines) 2>&5
|
||||
ac_status=$?
|
||||
printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
|
||||
test $ac_status = 0; } ;; #(
|
||||
*) :
|
||||
|
||||
as_fn_append CFLAGS " -Wtrampolines"
|
||||
{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: : CFLAGS=\"\$CFLAGS\""; } >&5
|
||||
(: CFLAGS="$CFLAGS") 2>&5
|
||||
ac_status=$?
|
||||
printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
|
||||
test $ac_status = 0; }
|
||||
;;
|
||||
esac
|
||||
|
||||
else case e in #(
|
||||
e)
|
||||
CFLAGS=-Wtrampolines
|
||||
{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: : CFLAGS=\"\$CFLAGS\""; } >&5
|
||||
(: CFLAGS="$CFLAGS") 2>&5
|
||||
ac_status=$?
|
||||
printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
|
||||
test $ac_status = 0; }
|
||||
;;
|
||||
esac
|
||||
fi
|
||||
|
||||
else case e in #(
|
||||
e) : ;;
|
||||
esac
|
||||
fi
|
||||
|
||||
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports the fallthrough attribute" >&5
|
||||
printf %s "checking whether $CC supports the fallthrough attribute... " >&6; }
|
||||
if test ${sudo_cv_var_fallthrough_attribute+y}
|
||||
then :
|
||||
printf %s "(cached) " >&6
|
||||
else case e in #(
|
||||
e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
|
||||
/* end confdefs.h. */
|
||||
if test X"$sudo_cv_var_fallthrough_attribute" = X"yes"; then
|
||||
|
||||
int main(int argc, char *argv[])
|
||||
{
|
||||
int num = argc + 1;
|
||||
switch (num) {
|
||||
case 1:
|
||||
num = 0;
|
||||
__attribute__((__fallthrough__));
|
||||
case 0:
|
||||
num++;
|
||||
}
|
||||
return num;
|
||||
}
|
||||
|
||||
_ACEOF
|
||||
if ac_fn_c_try_compile "$LINENO"
|
||||
if test ${CFLAGS+y}
|
||||
then :
|
||||
|
||||
sudo_cv_var_fallthrough_attribute=yes
|
||||
case " $CFLAGS " in #(
|
||||
*" -Wimplicit-fallthrough "*) :
|
||||
{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: : CFLAGS already contains -Wimplicit-fallthrough"; } >&5
|
||||
(: CFLAGS already contains -Wimplicit-fallthrough) 2>&5
|
||||
ac_status=$?
|
||||
printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
|
||||
test $ac_status = 0; } ;; #(
|
||||
*) :
|
||||
|
||||
as_fn_append CFLAGS " -Wimplicit-fallthrough"
|
||||
{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: : CFLAGS=\"\$CFLAGS\""; } >&5
|
||||
(: CFLAGS="$CFLAGS") 2>&5
|
||||
ac_status=$?
|
||||
printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
|
||||
test $ac_status = 0; }
|
||||
;;
|
||||
esac
|
||||
|
||||
else case e in #(
|
||||
e)
|
||||
sudo_cv_var_fallthrough_attribute=no
|
||||
;;
|
||||
CFLAGS=-Wimplicit-fallthrough
|
||||
{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: : CFLAGS=\"\$CFLAGS\""; } >&5
|
||||
(: CFLAGS="$CFLAGS") 2>&5
|
||||
ac_status=$?
|
||||
printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
|
||||
test $ac_status = 0; }
|
||||
;;
|
||||
esac
|
||||
fi
|
||||
rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
|
||||
;;
|
||||
esac
|
||||
fi
|
||||
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $sudo_cv_var_fallthrough_attribute" >&5
|
||||
printf "%s\n" "$sudo_cv_var_fallthrough_attribute" >&6; }
|
||||
if test X"$sudo_cv_var_fallthrough_attribute" = X"yes"; then
|
||||
printf "%s\n" "#define HAVE_FALLTHROUGH_ATTRIBUTE 1" >>confdefs.h
|
||||
|
||||
CFLAGS="$CFLAGS -Wimplicit-fallthrough"
|
||||
fi
|
||||
fi
|
||||
if test X"$enable_werror" = X"yes"; then
|
||||
CFLAGS="${CFLAGS} -Werror"
|
||||
|
||||
if test ${CFLAGS+y}
|
||||
then :
|
||||
|
||||
case " $CFLAGS " in #(
|
||||
*" -Werror "*) :
|
||||
{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: : CFLAGS already contains -Werror"; } >&5
|
||||
(: CFLAGS already contains -Werror) 2>&5
|
||||
ac_status=$?
|
||||
printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
|
||||
test $ac_status = 0; } ;; #(
|
||||
*) :
|
||||
|
||||
as_fn_append CFLAGS " -Werror"
|
||||
{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: : CFLAGS=\"\$CFLAGS\""; } >&5
|
||||
(: CFLAGS="$CFLAGS") 2>&5
|
||||
ac_status=$?
|
||||
printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
|
||||
test $ac_status = 0; }
|
||||
;;
|
||||
esac
|
||||
|
||||
else case e in #(
|
||||
e)
|
||||
CFLAGS=-Werror
|
||||
{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: : CFLAGS=\"\$CFLAGS\""; } >&5
|
||||
(: CFLAGS="$CFLAGS") 2>&5
|
||||
ac_status=$?
|
||||
printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
|
||||
test $ac_status = 0; }
|
||||
;;
|
||||
esac
|
||||
fi
|
||||
|
||||
fi
|
||||
case "$host_os" in
|
||||
# Avoid unwanted warnings on macOS
|
||||
darwin*) CFLAGS="${CFLAGS} -Wno-deprecated-declarations";;
|
||||
darwin*)
|
||||
if test ${CFLAGS+y}
|
||||
then :
|
||||
|
||||
case " $CFLAGS " in #(
|
||||
*" -Wno-deprecated-declarations "*) :
|
||||
{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: : CFLAGS already contains -Wno-deprecated-declarations"; } >&5
|
||||
(: CFLAGS already contains -Wno-deprecated-declarations) 2>&5
|
||||
ac_status=$?
|
||||
printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
|
||||
test $ac_status = 0; } ;; #(
|
||||
*) :
|
||||
|
||||
as_fn_append CFLAGS " -Wno-deprecated-declarations"
|
||||
{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: : CFLAGS=\"\$CFLAGS\""; } >&5
|
||||
(: CFLAGS="$CFLAGS") 2>&5
|
||||
ac_status=$?
|
||||
printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
|
||||
test $ac_status = 0; }
|
||||
;;
|
||||
esac
|
||||
|
||||
else case e in #(
|
||||
e)
|
||||
CFLAGS=-Wno-deprecated-declarations
|
||||
{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: : CFLAGS=\"\$CFLAGS\""; } >&5
|
||||
(: CFLAGS="$CFLAGS") 2>&5
|
||||
ac_status=$?
|
||||
printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
|
||||
test $ac_status = 0; }
|
||||
;;
|
||||
esac
|
||||
fi
|
||||
;;
|
||||
esac
|
||||
fi
|
||||
|
||||
|
||||
85
configure.ac
85
configure.ac
@ -4649,7 +4649,7 @@ dnl
|
||||
if test -n "$GCC"; then
|
||||
AX_CHECK_COMPILE_FLAG([-fvisibility=hidden], [
|
||||
AC_DEFINE(HAVE_DSO_VISIBILITY)
|
||||
CFLAGS="${CFLAGS} -fvisibility=hidden"
|
||||
AX_APPEND_FLAG([-fvisibility=hidden], [CFLAGS])
|
||||
LT_LDEXPORTS=
|
||||
LT_LDDEP=
|
||||
])
|
||||
@ -4676,7 +4676,7 @@ else
|
||||
)
|
||||
if test "$sudo_cv_var_hpux_declspec_libc_function" = "yes"; then
|
||||
AC_DEFINE(HAVE_DSO_VISIBILITY)
|
||||
CFLAGS="${CFLAGS} -Bhidden_def"
|
||||
AX_APPEND_FLAG([-Bhidden_def], [CFLAGS])
|
||||
LT_LDEXPORTS=
|
||||
LT_LDDEP=
|
||||
fi
|
||||
@ -4685,7 +4685,7 @@ else
|
||||
solaris2*)
|
||||
AX_CHECK_COMPILE_FLAG([-xldscope=hidden], [
|
||||
AC_DEFINE(HAVE_DSO_VISIBILITY)
|
||||
CFLAGS="${CFLAGS} -xldscope=hidden"
|
||||
AX_APPEND_FLAG([-xldscope=hidden], [CFLAGS])
|
||||
LT_LDEXPORTS=
|
||||
LT_LDDEP=
|
||||
])
|
||||
@ -5012,53 +5012,60 @@ dnl
|
||||
dnl We add -Wall and -Werror after all tests so they don't cause failures
|
||||
dnl
|
||||
if test -n "$GCC"; then
|
||||
#
|
||||
# The fallthrough attribute is supported by gcc 7.0 and clang 10.
|
||||
# This test relies on AC_LANG_WERROR.
|
||||
#
|
||||
AC_CACHE_CHECK([whether $CC supports the fallthrough attribute],
|
||||
[sudo_cv_var_fallthrough_attribute],
|
||||
[AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
|
||||
int main(int argc, char *argv[])
|
||||
{
|
||||
int num = argc + 1;
|
||||
switch (num) {
|
||||
case 1:
|
||||
num = 0;
|
||||
__attribute__((__fallthrough__));
|
||||
case 0:
|
||||
num++;
|
||||
}
|
||||
return num;
|
||||
}
|
||||
]])],
|
||||
[
|
||||
sudo_cv_var_fallthrough_attribute=yes
|
||||
],
|
||||
[
|
||||
sudo_cv_var_fallthrough_attribute=no]
|
||||
)]
|
||||
)
|
||||
if test X"$sudo_cv_var_fallthrough_attribute" = X"yes"; then
|
||||
AC_DEFINE(HAVE_FALLTHROUGH_ATTRIBUTE)
|
||||
fi
|
||||
if test X"$enable_warnings" = X"yes" -o X"$with_devel" = X"yes"; then
|
||||
dnl
|
||||
dnl Default warnings for development use.
|
||||
dnl
|
||||
CFLAGS="${CFLAGS} -Wall -Wsign-compare -Wpointer-arith -Wno-unknown-pragmas -Wmissing-prototypes -Wwrite-strings"
|
||||
AX_CHECK_COMPILE_FLAG([-Wshadow], [CFLAGS="$CFLAGS -Wshadow"])
|
||||
AX_CHECK_COMPILE_FLAG([-Wvla], [CFLAGS="$CFLAGS -Wvla"])
|
||||
AX_CHECK_COMPILE_FLAG([-Walloca], [CFLAGS="$CFLAGS -Walloca"])
|
||||
AX_CHECK_COMPILE_FLAG([-Wtrampolines], [CFLAGS="$CFLAGS -Wtrampolines"])
|
||||
dnl
|
||||
dnl The fallthrough attribute is supported by gcc 7.0 and clang 10.
|
||||
dnl This test relies on AC_LANG_WERROR.
|
||||
dnl
|
||||
AC_CACHE_CHECK([whether $CC supports the fallthrough attribute],
|
||||
[sudo_cv_var_fallthrough_attribute],
|
||||
[AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
|
||||
int main(int argc, char *argv[])
|
||||
{
|
||||
int num = argc + 1;
|
||||
switch (num) {
|
||||
case 1:
|
||||
num = 0;
|
||||
__attribute__((__fallthrough__));
|
||||
case 0:
|
||||
num++;
|
||||
}
|
||||
return num;
|
||||
}
|
||||
]])],
|
||||
[
|
||||
sudo_cv_var_fallthrough_attribute=yes
|
||||
],
|
||||
[
|
||||
sudo_cv_var_fallthrough_attribute=no]
|
||||
)]
|
||||
)
|
||||
AX_APPEND_FLAG([-Wall], [CFLAGS])
|
||||
AX_APPEND_FLAG([-Wmissing-prototypes], [CFLAGS])
|
||||
AX_APPEND_FLAG([-Wno-unknown-pragmas], [CFLAGS])
|
||||
AX_APPEND_FLAG([-Wpointer-arith], [CFLAGS])
|
||||
AX_APPEND_FLAG([-Wshadow], [CFLAGS])
|
||||
AX_APPEND_FLAG([-Wsign-compare], [CFLAGS])
|
||||
AX_APPEND_FLAG([-Wwrite-strings], [CFLAGS])
|
||||
AX_CHECK_COMPILE_FLAG([-Wvla], [AX_APPEND_FLAG([-Wvla], [CFLAGS])])
|
||||
AX_CHECK_COMPILE_FLAG([-Walloca], [AX_APPEND_FLAG([-Walloca], [CFLAGS])])
|
||||
AX_CHECK_COMPILE_FLAG([-Wtrampolines], [AX_APPEND_FLAG([-Wtrampolines], [CFLAGS])])
|
||||
if test X"$sudo_cv_var_fallthrough_attribute" = X"yes"; then
|
||||
AC_DEFINE(HAVE_FALLTHROUGH_ATTRIBUTE)
|
||||
CFLAGS="$CFLAGS -Wimplicit-fallthrough"
|
||||
AX_APPEND_FLAG([-Wimplicit-fallthrough], [CFLAGS])
|
||||
fi
|
||||
fi
|
||||
if test X"$enable_werror" = X"yes"; then
|
||||
CFLAGS="${CFLAGS} -Werror"
|
||||
AX_APPEND_FLAG([-Werror], [CFLAGS])
|
||||
fi
|
||||
case "$host_os" in
|
||||
# Avoid unwanted warnings on macOS
|
||||
darwin*) CFLAGS="${CFLAGS} -Wno-deprecated-declarations";;
|
||||
darwin*) AX_APPEND_FLAG([-Wno-deprecated-declarations], [CFLAGS]);;
|
||||
esac
|
||||
fi
|
||||
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user