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| -rw-r--r-- | Rules.mak | 9 |
1 files changed, 9 insertions, 0 deletions
@@ -255,6 +255,15 @@ export LDPIEFLAG:=$(shell $(LD) --help | grep -q pie && echo "-Wl,-pie") endif endif +# Check for AS_NEEDED support in linker script (binutils>=2.16.1 has it) +ifndef ASNEEDED +ifneq ($(UCLIBC_HAS_SSP),y) +export ASNEEDED:= +else +export ASNEEDED:=$(shell (LD_TMP=$(mktemp LD_XXXXXX) ; echo "GROUP ( AS_NEEDED ( /usr/lib/libc.so ) )" > $LD_TMP && if $(LD) -T $LD_TMP > /dev/null 2>&1; then echo "AS_NEEDED ( $(UCLIBC_LDSO) )"; else echo "$(UCLIBC_LDSO)"; fi; rm -f $LD_TMP ) ) +endif +endif + # Use '-Os' optimization if available, else use -O2, allow Config to override OPTIMIZATION+=$(call check_gcc,-Os,-O2) # Use the gcc 3.4 -funit-at-a-time optimization when available |