From ab2465239414853a14529f88a25f13c392aa2d3f Mon Sep 17 00:00:00 2001 From: Andrew Tridgell Date: Wed, 30 May 2001 12:28:13 +0000 Subject: - 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 --- source/aclocal.m4 | 14 ++++++++++++++ 1 file changed, 14 insertions(+) (limited to 'source/aclocal.m4') 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) -- cgit