From 8d4f58e49b9dc7d3545651023a36729de773ad86 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Mon, 6 May 2024 03:22:31 +0200 Subject: Adding upstream version 1.12.0. Signed-off-by: Daniel Baumann --- build/m4/ax_c_lto.m4 | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) create mode 100644 build/m4/ax_c_lto.m4 (limited to 'build/m4/ax_c_lto.m4') diff --git a/build/m4/ax_c_lto.m4 b/build/m4/ax_c_lto.m4 new file mode 100644 index 0000000..7e6bc01 --- /dev/null +++ b/build/m4/ax_c_lto.m4 @@ -0,0 +1,21 @@ +# AC_C_LTO +# ------------- +# Define HAVE_LTO if -flto works. +AN_IDENTIFIER([lto], [AC_C_LTO]) +AC_DEFUN([AC_C_LTO], +[AC_CACHE_CHECK([if -flto builds executables], ac_cv_c_lto, +[AC_RUN_IFELSE( + [AC_LANG_SOURCE( + [[#include + int main(int argc, char **argv) { + return 0; + } + ]])], + [ac_cv_c_lto=yes], + [ac_cv_c_lto=no], + [ac_cv_c_lto=${ac_cv_c_lto_cross_compile}])]) +if test "${ac_cv_c_lto}" = "yes"; then + AC_DEFINE([HAVE_LTO], 1, + [Define to 1 if -flto works.]) +fi +])# AC_C_LTO -- cgit v1.2.3