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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 11:08:07 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 11:08:07 +0000
commitc69cb8cc094cc916adbc516b09e944cd3d137c01 (patch)
treef2878ec41fb6d0e3613906c6722fc02b934eeb80 /build/m4/ax_c_lto.m4
parentInitial commit. (diff)
downloadnetdata-c69cb8cc094cc916adbc516b09e944cd3d137c01.tar.xz
netdata-c69cb8cc094cc916adbc516b09e944cd3d137c01.zip
Adding upstream version 1.29.3.upstream/1.29.3upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'build/m4/ax_c_lto.m4')
-rw-r--r--build/m4/ax_c_lto.m421
1 files changed, 21 insertions, 0 deletions
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 <stdio.h>
+ 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