diff options
| author | Jon Beniston <jon@beniston.com> | 2018-08-31 19:44:33 +0300 |
|---|---|---|
| committer | Jeff Johnston <jjohnstn@redhat.com> | 2018-08-31 22:40:42 +0300 |
| commit | a9cfb33b6c82a99e852a06de2127ffaea85bc212 (patch) | |
| tree | ff82a3e0b59d37c6384357410587e74254152a48 /newlib/acinclude.m4 | |
| parent | fc3a8ecca5f4924079668f9f9615b4619e5dc810 (diff) | |
Add --disable-newlib-fno-builtin to allow compilation without -fno-builtin for smaller and faster code.newlib-snapshot-20180831
Diffstat (limited to 'newlib/acinclude.m4')
| -rw-r--r-- | newlib/acinclude.m4 | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/newlib/acinclude.m4 b/newlib/acinclude.m4 index 8c2cdc3b8..19dfe0864 100644 --- a/newlib/acinclude.m4 +++ b/newlib/acinclude.m4 @@ -92,6 +92,16 @@ AC_ARG_ENABLE(newlib-supplied-syscalls, AM_CONDITIONAL(MAY_SUPPLY_SYSCALLS, test x[$]{newlib_may_supply_syscalls} = xyes) +dnl Support --disable-newlib-fno-builtin +AC_ARG_ENABLE(newlib-fno-builtin, +[ --disable-newlib-fno-builtin disable -fno-builtin flag to allow compiler to use builtin library functions], +[case "${enableval}" in + yes) newlib_fno_builtin=yes ;; + no) newlib_fno_builtin=no ;; + *) AC_MSG_ERROR(bad value ${enableval} for newlib-fno-builtin option) ;; + esac], [newlib_fno_builtin=])dnl + + dnl We may get other options which we don't document: dnl --with-target-subdir, --with-multisrctop, --with-multisubdir @@ -202,8 +212,6 @@ fi . [$]{newlib_basedir}/configure.host -newlib_cflags="[$]{newlib_cflags} -fno-builtin" - NEWLIB_CFLAGS=${newlib_cflags} AC_SUBST(NEWLIB_CFLAGS) |