diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/configure.ac b/configure.ac index cf595e68c0..a86deca471 100644 --- a/configure.ac +++ b/configure.ac @@ -211,9 +211,12 @@ AS_CASE([$CC], [*clang*], -Wno-gnu-variable-sized-type-not-at-end \ ])]) +AC_ARG_ENABLE([lto], [AS_HELP_STRING([--disable-lto], [disable -flto])], + [], [enable_lto=yes]) AS_CASE([$CFLAGS], [*-O[[12345sz\ ]]*], - [CC_CHECK_FLAGS_APPEND([with_cflags], [CFLAGS], [\ - -flto])], + [AS_IF([test "x$enable_lto" = "xyes"], + [CC_CHECK_FLAGS_APPEND([with_cflags], [CFLAGS], [-flto])], + [AC_MSG_RESULT([disabling -flto as requested])])], [AC_MSG_RESULT([skipping -flto, optimization not enabled])]) AC_SUBST([OUR_CFLAGS], "$with_cflags $sanitizer_cflags") |