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authorGravatar Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>2009-01-22 09:47:09 +0000
committerGravatar Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>2009-01-22 09:47:09 +0000
commitdb5c5752566147689063340a87531ca4ac626a98 (patch)
treec1dcf4d95d5a3768b9cbf144e499202d9a6123b0
parentc5edfea211a5bc72002f027f82dba8c9d86c95e8 (diff)
downloaduClibc-db5c5752566147689063340a87531ca4ac626a98.tar.gz
uClibc-db5c5752566147689063340a87531ca4ac626a98.tar.bz2
- also link librt with --as-needed and do so unconditionally to work around
bugs in gentoo's QA. Just add UCLIBC_HAS_SSP to the "and" of link.asneeded to properly take SSP into account, if you prefer.
-rw-r--r--Rules.mak24
-rw-r--r--libnsl/Makefile.in7
-rw-r--r--libresolv/Makefile.in7
-rw-r--r--librt/Makefile.in2
4 files changed, 27 insertions, 13 deletions
diff --git a/Rules.mak b/Rules.mak
index 802ee99bb..1e6271804 100644
--- a/Rules.mak
+++ b/Rules.mak
@@ -433,6 +433,30 @@ ifndef LDPIEFLAG
export LDPIEFLAG:=$(shell $(LD) --help 2>/dev/null | grep -q -- -pie && echo "-pie")
endif
+# Check for --as-needed support in linker
+ifndef LD_FLAG_ASNEEDED
+_LD_FLAG_ASNEEDED:=$(shell $(LD) --help 2>/dev/null | grep -- --as-needed)
+ifneq ($(_LD_FLAG_ASNEEDED),)
+export LD_FLAG_ASNEEDED:=--as-needed
+endif
+endif
+ifndef LD_FLAG_NO_ASNEEDED
+ifdef LD_FLAG_ASNEEDED
+export LD_FLAG_NO_ASNEEDED:=--no-as-needed
+endif
+endif
+ifndef CC_FLAG_ASNEEDED
+ifdef LD_FLAG_ASNEEDED
+export CC_FLAG_ASNEEDED:=-Wl,$(LD_FLAG_ASNEEDED)
+endif
+endif
+ifndef CC_FLAG_NO_ASNEEDED
+ifdef LD_FLAG_NO_ASNEEDED
+export CC_FLAG_NO_ASNEEDED:=-Wl,$(LD_FLAG_NO_ASNEEDED)
+endif
+endif
+link.asneeded = $(if $(and $(CC_FLAG_ASNEEDED),$(CC_FLAG_NO_ASNEEDED)),$(CC_FLAG_ASNEEDED) $(1) $(CC_FLAG_NO_ASNEEDED))
+
# Check for AS_NEEDED support in linker script (binutils>=2.16.1 has it)
ifndef ASNEEDED
export ASNEEDED:=$(shell $(LD) --help 2>/dev/null | grep -q -- --as-needed && echo "AS_NEEDED ( $(UCLIBC_LDSO) )" || echo "$(UCLIBC_LDSO)")
diff --git a/libnsl/Makefile.in b/libnsl/Makefile.in
index 0995b3c4f..03a7703f2 100644
--- a/libnsl/Makefile.in
+++ b/libnsl/Makefile.in
@@ -7,12 +7,7 @@
CFLAGS-libnsl := -DNOT_IN_libc -DIS_IN_libnsl $(SSP_ALL_CFLAGS)
-LDFLAGS-libnsl.so := $(LDFLAGS)
-ifdef ASNEEDED
-ifeq ($(UCLIBC_HAS_SSP),y)
-LDFLAGS-libnsl.so += -Wl,--no-as-needed -lc -Wl,--as-needed
-endif
-endif
+LDFLAGS-libnsl.so := $(LDFLAGS) $(call link.asneeded,-lc)
LIBS-libnsl.so := $(LIBS)
diff --git a/libresolv/Makefile.in b/libresolv/Makefile.in
index 4b4d781c1..5ccfeebbf 100644
--- a/libresolv/Makefile.in
+++ b/libresolv/Makefile.in
@@ -7,12 +7,7 @@
CFLAGS-libresolv := -DNOT_IN_libc -DIS_IN_libresolv $(SSP_ALL_CFLAGS)
-LDFLAGS-libresolv.so := $(LDFLAGS)
-ifdef ASNEEDED
-ifeq ($(UCLIBC_HAS_SSP),y)
-LDFLAGS-libresolv.so += -Wl,--no-as-needed -lc -Wl,--as-needed
-endif
-endif
+LDFLAGS-libresolv.so := $(LDFLAGS) $(call link.asneeded,-lc)
LIBS-libresolv.so := $(LIBS)
diff --git a/librt/Makefile.in b/librt/Makefile.in
index 5c47960d5..1def9003d 100644
--- a/librt/Makefile.in
+++ b/librt/Makefile.in
@@ -7,7 +7,7 @@
CFLAGS-librt := -DNOT_IN_libc -DIS_IN_librt $(SSP_ALL_CFLAGS)
-LDFLAGS-librt.so := $(LDFLAGS)
+LDFLAGS-librt.so := $(LDFLAGS) $(call link.asneeded,-lc)
LIBS-librt.so := $(LIBS)