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authormidipix <writeonce@midipix.org>2021-05-31 09:19:57 +0000
committermidipix <writeonce@midipix.org>2021-05-31 09:58:15 +0000
commit430ec840feb7e412fa187f05a2243e7f916967fe (patch)
tree403a8d49703289e569640bf1bfe3ecc3c2067916 /configure
parent0959e7118c47e3e2e426ca4979737e70e1a08711 (diff)
downloadmdso-430ec840feb7e412fa187f05a2243e7f916967fe.tar.bz2
mdso-430ec840feb7e412fa187f05a2243e7f916967fe.tar.xz
build system: configure: config_host(): added freestanding environment support.
Diffstat (limited to 'configure')
-rwxr-xr-xconfigure18
1 files changed, 16 insertions, 2 deletions
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