diff options
Diffstat (limited to 'm4')
| -rw-r--r-- | m4/.cvsignore | 3 | ||||
| -rw-r--r-- | m4/Makefile.am | 3 | ||||
| -rw-r--r-- | m4/compiler-flags.m4 | 34 |
3 files changed, 40 insertions, 0 deletions
diff --git a/m4/.cvsignore b/m4/.cvsignore new file mode 100644 index 000000000..0063d7a83 --- /dev/null +++ b/m4/.cvsignore @@ -0,0 +1,3 @@ +*.m4 +Makefile +Makefile.in diff --git a/m4/Makefile.am b/m4/Makefile.am new file mode 100644 index 000000000..188b2fe01 --- /dev/null +++ b/m4/Makefile.am @@ -0,0 +1,3 @@ + +EXTRA_DIST = compiler-flags.m4 + diff --git a/m4/compiler-flags.m4 b/m4/compiler-flags.m4 new file mode 100644 index 000000000..cf4cba938 --- /dev/null +++ b/m4/compiler-flags.m4 @@ -0,0 +1,34 @@ +# serial 3 +# Find valid warning flags for the C Compiler. -*-Autoconf-*- +# +# Copyright (C) 2001, 2002, 2006 Free Software Foundation, Inc. +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +# 02110-1301 USA + +# Written by Jesse Thilo. + +AC_DEFUN([gl_COMPILER_FLAGS], + [AC_MSG_CHECKING(whether compiler accepts $1) + AC_SUBST(COMPILER_FLAGS) + ac_save_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS $1" + AC_TRY_COMPILE(, + [int x;], + COMPILER_FLAGS="$COMPILER_FLAGS $1" + AC_MSG_RESULT(yes), + AC_MSG_RESULT(no)) + CFLAGS="$ac_save_CFLAGS" + ]) |