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Don't use -undefined dynamic_lookup when linking executables on OS X.

Browse source 
This fixes some false positive results for library function tests in
configure and also prevents programs crashing at load time due to
unresolved references.


git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/tools/make/trunk@34200 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
Wolfgang Lux 2011-11-21 09:12:32 +00:00
parent f24805b244
commit 661d05deb9
2 changed files with 20 additions and 15 deletions
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7
ChangeLog
View file

@ -1,3 +1,10 @@
2011-11-21 Wolfgang Lux <wolfgang.lux@gmail.com>
* target.make: Don't use -undefined dynamic_lookup when linking
executables on OS X. This fixes some false positive results for
library function tests in configure and also prevents programs
crashing at load time due to unresolved references.
2011-10-19 Richard Frith-Macdonald <rfm@gnu.org>
* target.make: The -pthread compiler flag is broken on windows ...

28
target.make
View file

@ -298,6 +298,17 @@ ifeq ($(FOUNDATION_LIB), apple)
DYLIB_DEF_FRAMEWORKS += -framework Foundation
endif
DYLIB_EXTRA_FLAGS += -undefined dynamic_lookup
# Useful optimization flag: -Wl,-single_module. This flag only
# works starting with 10.3 and is the default since 10.5.
ifeq ($(findstring darwin7, $(GNUSTEP_TARGET_OS)), darwin7)
DYLIB_EXTRA_FLAGS += -Wl,-single_module
endif
ifeq ($(findstring darwin8, $(GNUSTEP_TARGET_OS)), darwin8)
DYLIB_EXTRA_FLAGS += -Wl,-single_module
endif
ifeq ($(OBJC_RUNTIME_LIB), gnu)
# GNU runtime
@ -309,16 +320,8 @@ ifneq ($(strip $(CC_GNURUNTIME)),)
INTERNAL_CFLAGS += -isystem $(CC_GNURUNTIME)
endif
INTERNAL_LDFLAGS += -undefined dynamic_lookup
SHARED_LD_PREFLAGS += -Wl,-noall_load -read_only_relocs warning $(CC_LDFLAGS)
# Useful flag: -Wl,-single_module. This flag only
# works starting with 10.3. libs w/ffcall don't link on darwin/ix86 without it.
ifeq ($(findstring darwin7, $(GNUSTEP_TARGET_OS)), darwin7)
SHARED_LD_PREFLAGS += -single_module
endif
ifeq ($(findstring darwin8, $(GNUSTEP_TARGET_OS)), darwin8)
SHARED_LD_PREFLAGS += -single_module
BUNDLE_LIBS += -lSystemStubs
endif
SHARED_LIB_LINK_CMD = \
@ -328,6 +331,7 @@ SHARED_LIB_LINK_CMD = \
$(DYLIB_COMPATIBILITY_VERSION) \
$(DYLIB_CURRENT_VERSION) \
-install_name $(LIB_LINK_INSTALL_NAME) \
$(DYLIB_EXTRA_FLAGS) \
$(ALL_LDFLAGS) -o $@ \
$(DYLIB_DEF_FRAMEWORKS) \
$^ $(INTERNAL_LIBRARIES_DEPEND_UPON) $(LIBRARIES_FOUNDATION_DEPEND_UPON) \
@ -342,17 +346,11 @@ SHARED_LIB_LINK_CMD = \
BUNDLE_LD = $(LD)
BUNDLE_LDFLAGS += -fgnu-runtime -bundle
BUNDLE_LDFLAGS += -undefined dynamic_lookup
else
# Apple runtime
DYLIB_EXTRA_FLAGS = -undefined dynamic_lookup
# Useful optimization flag: -Wl,-single_module. This flag only
# works starting with 10.3.
ifeq ($(findstring darwin7, $(GNUSTEP_TARGET_OS)), darwin7)
DYLIB_EXTRA_FLAGS += -Wl,-single_module
endif
SHARED_LIB_LINK_CMD = \
$(LD) $(SHARED_LD_PREFLAGS) \
-dynamiclib $(ARCH_FLAGS) \