CXX_SOURCES := main.cpp
USE_LIBDL := 1
all: t2_0 t2_1 t1 a.out
include Makefile.rules
ifeq "$(OS)" "Darwin"
# In macOS 12, dyld switched to using chained fixups. As a result, all
# symbols are bound at launch and there are no lazy pointers any more.
# Since we wish to import/dlopen() a dylib with missing symbols, we need
# to use a weak import. This applies to all macOS 12-aligned OS releases,
# e.g. iOS 15, etc.
LINKFLAGS := "-Wl,-weak-lt2_0"
else
LINKFLAGS := "-lt2_0"
endif
t1: t2_0
$(MAKE) VPATH=$(SRCDIR) -f $(MAKEFILE_RULES) \
DYLIB_ONLY=YES DYLIB_C_SOURCES=t1.c DYLIB_NAME=t1 LD_EXTRAS="-L. $(LINKFLAGS)"
t2_0:
$(MAKE) VPATH=$(SRCDIR) -f $(MAKEFILE_RULES) \
DYLIB_ONLY=YES DYLIB_C_SOURCES=t2_0.c DYLIB_NAME=t2_0
t2_1:
$(MAKE) VPATH=$(SRCDIR) -f $(MAKEFILE_RULES) \
DYLIB_ONLY=YES DYLIB_C_SOURCES=t2_1.c DYLIB_NAME=t2_1