From a660f6210773019618206d505f80b8fd9b3a422d Mon Sep 17 00:00:00 2001 From: midipix Date: Mon, 31 May 2021 09:19:57 +0000 Subject: build system: configure: config_host(): added freestanding environment support. --- configure | 18 ++++++++++++++++-- 1 file changed, 16 insertions(+), 2 deletions(-) (limited to 'configure') diff --git a/configure b/configure index 725cd6f..f770ae1 100755 --- a/configure +++ b/configure @@ -859,8 +859,22 @@ config_host() mb_cfghost_cflags="${mb_cfghost_cflags#*: }" - printf 'int main(void){return 0;}' \ - > "$mb_cfghost_tmpname" + if [ $mb_cc_environment = 'freestanding' ]; then + if [ -z "mb_cc_underscore" ]; then + mb_cfghost_start_fn='_start' + else + mb_cfghost_start_fn='start' + fi + + printf 'int %s(void){return 0;}' "$mb_cfghost_start_fn" \ + > "$mb_cfghost_tmpname" + + mb_cfghost_cflags="$mb_cfghost_cflags -ffreestanding" + mb_cfghost_cflags="$mb_cfghost_cflags -nostdlib" + else + printf 'int main(void){return 0;}' \ + > "$mb_cfghost_tmpname" + fi # log printf '\n' >&3 -- cgit v1.2.3