diff options
Diffstat (limited to 'acinclude.m4')
| -rw-r--r-- | acinclude.m4 | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/acinclude.m4 b/acinclude.m4 index 2e969341f..31688e341 100644 --- a/acinclude.m4 +++ b/acinclude.m4 @@ -97,6 +97,33 @@ if test "${USE_$1}" != "no"; then fi ]) +# AST_C_COMPILE_CHECK can be used for testing for various items in header files + +# AST_C_COMPILE_CHECK([package], [expression], [header file], [version]) +AC_DEFUN([AST_C_COMPILE_CHECK], +[ + if test "x${PBX_$1}" != "x1" -a "${USE_$1}" != "no"; then + AC_MSG_CHECKING([if "$2" compiles using $3]) + saved_cppflags="${CPPFLAGS}" + if test "x${$1_DIR}" != "x"; then + $1_INCLUDE="-I${$1_DIR}/include" + fi + CPPFLAGS="${CPPFLAGS} ${$1_INCLUDE}" + + AC_COMPILE_IFELSE( + [ AC_LANG_PROGRAM( [#include <$3>], + [ $2; ] + )], + [ AC_MSG_RESULT(yes) + PBX_$1=1 + AC_DEFINE([HAVE_$1], 1, [Define if your system has the $1 headers.]) + AC_DEFINE([HAVE_$1_VERSION], $4, [Define $1 headers version]) + ], + [ AC_MSG_RESULT(no) ] + ) + CPPFLAGS="${saved_cppflags}" + fi +]) AC_DEFUN( [AST_CHECK_GNU_MAKE], [AC_CACHE_CHECK(for GNU make, GNU_MAKE, |