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| author | Andrew Tridgell <tridge@samba.org> | 2001-05-30 12:28:13 +0000 |
|---|---|---|
| committer | Andrew Tridgell <tridge@samba.org> | 2001-05-30 12:28:13 +0000 |
| commit | ab2465239414853a14529f88a25f13c392aa2d3f (patch) | |
| tree | 44de11090d9aec02e4928f5414f41843b6ca2fae /source/aclocal.m4 | |
| parent | 200b682e9bbe79897343422f7c870382ed6de40a (diff) | |
| download | samba-ab2465239414853a14529f88a25f13c392aa2d3f.tar.gz samba-ab2465239414853a14529f88a25f13c392aa2d3f.tar.xz samba-ab2465239414853a14529f88a25f13c392aa2d3f.zip | |
- added AC_HAVE_DECL() macro to aclocal.m4, so we can easily add
tests for a fn or variable being defined in headers
- used this to add prototypes for asprintf and vasprintf on systems
that don't have them
Diffstat (limited to 'source/aclocal.m4')
| -rw-r--r-- | source/aclocal.m4 | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/source/aclocal.m4 b/source/aclocal.m4 index 9a7145402a9..13788f99bea 100644 --- a/source/aclocal.m4 +++ b/source/aclocal.m4 @@ -49,6 +49,20 @@ fi rm -f conftest* ])]) +dnl see if a declaration exists for a function or variable +dnl defines HAVE_function_DECL if it exists +dnl AC_HAVE_DECL(var, includes) +AC_DEFUN(AC_HAVE_DECL, +[ + AC_CACHE_CHECK([for $1 declaration],ac_cv_have_$1_decl,[ + AC_TRY_COMPILE([$2],[int i = (int)$1], + ac_cv_have_$1_decl=yes,ac_cv_have_$1_decl=no)]) + if test x"$ac_cv_have_$1_decl" = x"yes"; then + AC_DEFINE([HAVE_]translit([$1], [a-z], [A-Z])[_DECL]) + fi +]) + + dnl check for a function in a library, but don't dnl keep adding the same library to the LIBS variable. dnl AC_LIBTESTFUNC(lib,func) |