Index: configure.ac
==================================================================
--- configure.ac
+++ configure.ac
@@ -12,11 +12,13 @@
 case "$CC" in
 	gcc | *-gcc | gcc-* | *-gcc-*)
 		OBJCFLAGS="$OBJSFLAGS -Wall -Werror -pipe"
 		;;
 esac
+
+OBJCFLAGS="$OBJCFLAGS -fconstant-string-class=OFConstString -fobjc-exceptions"
 
 BUILDSYS_SHARED_LIB
 
 AC_SUBST(PACKAGE, objfw)
 AC_CONFIG_FILES(buildsys.mk)
 AC_OUTPUT

Index: src/Makefile
==================================================================
--- src/Makefile
+++ src/Makefile
@@ -20,8 +20,8 @@
 	   OFString.h		\
 	   OFWideString.h
 
 include ../buildsys.mk
 
-OBJCFLAGS += -fPIC -DPIC -fno-nil-receivers -fconstant-string-class=OFConstString -fobjc-exceptions
+OBJCFLAGS += ${LIB_LDFLAGS}
 LD = ${OBJC}
 LIBS += -lobjc

Index: tests/OFList/Makefile
==================================================================
--- tests/OFList/Makefile
+++ tests/OFList/Makefile
@@ -2,15 +2,14 @@
 SRCS = OFList.m
 
 include ../../buildsys.mk
 
 CPPFLAGS += -I../../src
-OBJCFLAGS += -fno-nil-receivers -fconstant-string-class=OFConstString -fobjc-exceptions
 LIBS += -lobjc -L../../src -lobjfw
 
 .PHONY: run
 
 all: run
 run: ${PROG_NOINST}
 	LD_PRELOAD=../../src/libobjfw.so \
 	DYLD_LIBRARY_PATH=../../src \
 	./${PROG_NOINST}

Index: tests/OFObject/Makefile
==================================================================
--- tests/OFObject/Makefile
+++ tests/OFObject/Makefile
@@ -2,15 +2,14 @@
 SRCS = OFObject.m
 
 include ../../buildsys.mk
 
 CPPFLAGS += -I../../src
-OBJCFLAGS += -fno-nil-receivers -fconstant-string-class=OFConstString -fobjc-exceptions
 LIBS += -lobjc -L../../src -lobjfw
 
 .PHONY: run
 
 all: run
 run: ${PROG_NOINST}
 	LD_PRELOAD=../../src/libobjfw.so \
 	DYLD_LIBRARY_PATH=../../src \
 	./${PROG_NOINST}

Index: tests/OFString/Makefile
==================================================================
--- tests/OFString/Makefile
+++ tests/OFString/Makefile
@@ -2,15 +2,14 @@
 SRCS = OFString.m
 
 include ../../buildsys.mk
 
 CPPFLAGS += -I../../src
-OBJCFLAGS += -fno-nil-receivers -fconstant-string-class=OFConstString -fobjc-exceptions
 LIBS += -lobjc -L../../src -lobjfw
 
 .PHONY: run
 
 all: run
 run: ${PROG_NOINST}
 	LD_PRELOAD=../../src/libobjfw.so \
 	DYLD_LIBRARY_PATH=../../src \
 	./${PROG_NOINST}

Index: tests/OFWideString/Makefile
==================================================================
--- tests/OFWideString/Makefile
+++ tests/OFWideString/Makefile
@@ -2,15 +2,14 @@
 SRCS = OFWideString.m
 
 include ../../buildsys.mk
 
 CPPFLAGS += -I../../src
-OBJCFLAGS += -fno-nil-receivers -fconstant-string-class=OFConstString -fobjc-exceptions
 LIBS += -lobjc -L../../src -lobjfw
 
 .PHONY: run
 
 all: run
 run: ${PROG_NOINST}
 	LD_PRELOAD=../../src/libobjfw.so \
 	DYLD_LIBRARY_PATH=../../src \
 	./${PROG_NOINST}