configure: simplify x86 asm dependencies
--disable-XXX has the effect of disabling all extensions above it, e.g.,
--disable-ssse3 disables ssse3-avx2.
Change-Id: If02b44ca71ee12e4acb12010db8593a7989f2a9d
diff --git a/build/make/configure.sh b/build/make/configure.sh
index 37ed86f..98248b0 100644
--- a/build/make/configure.sh
+++ b/build/make/configure.sh
@@ -1208,14 +1208,20 @@
soft_enable runtime_cpu_detect
# We can't use 'check_cflags' until the compiler is configured and CC is
# populated.
- check_gcc_machine_option mmx
- check_gcc_machine_option sse
- check_gcc_machine_option sse2
- check_gcc_machine_option sse3
- check_gcc_machine_option ssse3
- check_gcc_machine_option sse4 sse4_1
- check_gcc_machine_option avx
- check_gcc_machine_option avx2
+ for ext in ${ARCH_EXT_LIST_X86}; do
+ # disable higher order extensions to simplify asm dependencies
+ if [ "$disable_exts" = "yes" ]; then
+ if ! disabled $ext; then
+ RTCD_OPTIONS="${RTCD_OPTIONS}--disable-${ext} "
+ disable_feature $ext
+ fi
+ elif disabled $ext; then
+ disable_exts="yes"
+ else
+ # use the shortened version for the flag: sse4_1 -> sse4
+ check_gcc_machine_option ${ext%_*} $ext
+ fi
+ done
if enabled external_build; then
log_echo " skipping assembler detection"
