root
/
xz
mirror of https://git.tukaani.org/xz.git
1
0
Fork 0
Code Issues Releases Wiki Activity

Build: Update visibility.m4 from Gnulib 

This fixes the syntax of the "serial" line and renames
a temporary variable.

(cherry picked from commit 6d336aeb97)
This commit is contained in:
Lasse Collin 2024-05-07 16:21:15 +03:00
parent 07a9cda037
commit a7e58d1fdb
1 changed files with 7 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
m4/visibility.m4
View File

@ -1,7 +1,8 @@
dnl SPDX-License-Identifier: FSFULLR dnl SPDX-License-Identifier: FSFULLR
# visibility.m4 serial 8 # visibility.m4
dnl Copyright (C) 2005, 2008, 2010-2023 Free Software Foundation, Inc. # serial 9
dnl Copyright (C) 2005, 2008, 2010-2024 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it, dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved. dnl with or without modifications, as long as this notice is preserved.
@ -33,18 +34,18 @@ AC_DEFUN([gl_VISIBILITY],
dnl user has put into $CC $CFLAGS $CPPFLAGS. dnl user has put into $CC $CFLAGS $CPPFLAGS.
AC_CACHE_CHECK([whether the -Werror option is usable], AC_CACHE_CHECK([whether the -Werror option is usable],
[gl_cv_cc_vis_werror], [gl_cv_cc_vis_werror],
[gl_save_CFLAGS="$CFLAGS" [gl_saved_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -Werror" CFLAGS="$CFLAGS -Werror"
AC_COMPILE_IFELSE( AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM([[]], [[]])], [AC_LANG_PROGRAM([[]], [[]])],
[gl_cv_cc_vis_werror=yes], [gl_cv_cc_vis_werror=yes],
[gl_cv_cc_vis_werror=no]) [gl_cv_cc_vis_werror=no])
CFLAGS="$gl_save_CFLAGS" CFLAGS="$gl_saved_CFLAGS"
]) ])
dnl Now check whether visibility declarations are supported. dnl Now check whether visibility declarations are supported.
AC_CACHE_CHECK([for simple visibility declarations], AC_CACHE_CHECK([for simple visibility declarations],
[gl_cv_cc_visibility], [gl_cv_cc_visibility],
[gl_save_CFLAGS="$CFLAGS" [gl_saved_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -fvisibility=hidden" CFLAGS="$CFLAGS -fvisibility=hidden"
dnl We use the option -Werror and a function dummyfunc, because on some dnl We use the option -Werror and a function dummyfunc, because on some
dnl platforms (Cygwin 1.7) the use of -fvisibility triggers a warning dnl platforms (Cygwin 1.7) the use of -fvisibility triggers a warning
@ -70,7 +71,7 @@ AC_DEFUN([gl_VISIBILITY],
[[]])], [[]])],
[gl_cv_cc_visibility=yes], [gl_cv_cc_visibility=yes],
[gl_cv_cc_visibility=no]) [gl_cv_cc_visibility=no])
CFLAGS="$gl_save_CFLAGS" CFLAGS="$gl_saved_CFLAGS"
]) ])
if test $gl_cv_cc_visibility = yes; then if test $gl_cv_cc_visibility = yes; then
CFLAG_VISIBILITY="-fvisibility=hidden" CFLAG_VISIBILITY="-fvisibility=hidden"