diff options
Diffstat (limited to 'gl/m4/visibility.m4')
| -rw-r--r-- | gl/m4/visibility.m4 | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/gl/m4/visibility.m4 b/gl/m4/visibility.m4 index f0468e89..ecf09686 100644 --- a/gl/m4/visibility.m4 +++ b/gl/m4/visibility.m4 | |||
| @@ -1,5 +1,6 @@ | |||
| 1 | # visibility.m4 serial 8 | 1 | # visibility.m4 |
| 2 | dnl Copyright (C) 2005, 2008, 2010-2023 Free Software Foundation, Inc. | 2 | # serial 9 |
| 3 | dnl Copyright (C) 2005, 2008, 2010-2024 Free Software Foundation, Inc. | ||
| 3 | dnl This file is free software; the Free Software Foundation | 4 | dnl This file is free software; the Free Software Foundation |
| 4 | dnl gives unlimited permission to copy and/or distribute it, | 5 | dnl gives unlimited permission to copy and/or distribute it, |
| 5 | dnl with or without modifications, as long as this notice is preserved. | 6 | dnl with or without modifications, as long as this notice is preserved. |
| @@ -31,18 +32,18 @@ AC_DEFUN([gl_VISIBILITY], | |||
| 31 | dnl user has put into $CC $CFLAGS $CPPFLAGS. | 32 | dnl user has put into $CC $CFLAGS $CPPFLAGS. |
| 32 | AC_CACHE_CHECK([whether the -Werror option is usable], | 33 | AC_CACHE_CHECK([whether the -Werror option is usable], |
| 33 | [gl_cv_cc_vis_werror], | 34 | [gl_cv_cc_vis_werror], |
| 34 | [gl_save_CFLAGS="$CFLAGS" | 35 | [gl_saved_CFLAGS="$CFLAGS" |
| 35 | CFLAGS="$CFLAGS -Werror" | 36 | CFLAGS="$CFLAGS -Werror" |
| 36 | AC_COMPILE_IFELSE( | 37 | AC_COMPILE_IFELSE( |
| 37 | [AC_LANG_PROGRAM([[]], [[]])], | 38 | [AC_LANG_PROGRAM([[]], [[]])], |
| 38 | [gl_cv_cc_vis_werror=yes], | 39 | [gl_cv_cc_vis_werror=yes], |
| 39 | [gl_cv_cc_vis_werror=no]) | 40 | [gl_cv_cc_vis_werror=no]) |
| 40 | CFLAGS="$gl_save_CFLAGS" | 41 | CFLAGS="$gl_saved_CFLAGS" |
| 41 | ]) | 42 | ]) |
| 42 | dnl Now check whether visibility declarations are supported. | 43 | dnl Now check whether visibility declarations are supported. |
| 43 | AC_CACHE_CHECK([for simple visibility declarations], | 44 | AC_CACHE_CHECK([for simple visibility declarations], |
| 44 | [gl_cv_cc_visibility], | 45 | [gl_cv_cc_visibility], |
| 45 | [gl_save_CFLAGS="$CFLAGS" | 46 | [gl_saved_CFLAGS="$CFLAGS" |
| 46 | CFLAGS="$CFLAGS -fvisibility=hidden" | 47 | CFLAGS="$CFLAGS -fvisibility=hidden" |
| 47 | dnl We use the option -Werror and a function dummyfunc, because on some | 48 | dnl We use the option -Werror and a function dummyfunc, because on some |
| 48 | dnl platforms (Cygwin 1.7) the use of -fvisibility triggers a warning | 49 | dnl platforms (Cygwin 1.7) the use of -fvisibility triggers a warning |
| @@ -68,7 +69,7 @@ AC_DEFUN([gl_VISIBILITY], | |||
| 68 | [[]])], | 69 | [[]])], |
| 69 | [gl_cv_cc_visibility=yes], | 70 | [gl_cv_cc_visibility=yes], |
| 70 | [gl_cv_cc_visibility=no]) | 71 | [gl_cv_cc_visibility=no]) |
| 71 | CFLAGS="$gl_save_CFLAGS" | 72 | CFLAGS="$gl_saved_CFLAGS" |
| 72 | ]) | 73 | ]) |
| 73 | if test $gl_cv_cc_visibility = yes; then | 74 | if test $gl_cv_cc_visibility = yes; then |
| 74 | CFLAG_VISIBILITY="-fvisibility=hidden" | 75 | CFLAG_VISIBILITY="-fvisibility=hidden" |
