| AC_PREREQ(2.64) |
| AC_INIT([LTO plugin for ld], 0.1,,[lto-plugin]) |
| AC_CANONICAL_SYSTEM |
| GCC_TOPLEV_SUBDIRS |
| AM_INIT_AUTOMAKE([foreign no-dist]) |
| AM_MAINTAINER_MODE |
| AC_PROG_CC |
| AC_SYS_LARGEFILE |
| ACX_PROG_CC_WARNING_OPTS([-Wall], [ac_lto_plugin_warn_cflags]) |
| |
| # Check whether -static-libgcc is supported. |
| saved_LDFLAGS="$LDFLAGS" |
| LDFLAGS="$LDFLAGS -static-libgcc" |
| AC_MSG_CHECKING([for -static-libgcc]) |
| AC_LINK_IFELSE([ |
| int main() {}], [have_static_libgcc=yes], [have_static_libgcc=no]) |
| AC_MSG_RESULT($have_static_libgcc); |
| LDFLAGS="$saved_LDFLAGS" |
| # Need -Wc to get it through libtool. |
| if test "x$have_static_libgcc" = xyes; then |
| ac_lto_plugin_ldflags="-Wc,-static-libgcc" |
| fi |
| AC_SUBST(ac_lto_plugin_ldflags) |
| |
| AM_PROG_LIBTOOL |
| ACX_LT_HOST_FLAGS |
| AC_SUBST(target_noncanonical) |
| AC_TYPE_INT64_T |
| AC_TYPE_UINT64_T |
| AC_HEADER_SYS_WAIT |
| AC_CONFIG_FILES(Makefile) |
| AC_CONFIG_HEADERS(config.h) |
| AC_OUTPUT |
