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Add changes to Makefile
Add -fPIC to linker flags (additional to compiler flags). This is sometimes necessary as chronologicaldot reported in the forum: http://irrlicht.sourceforge.net/forum/viewtopic.php?f=2&t=52708 Also gcc manual says this about the -shared flag: "For predictable results, you must also specify the same set of options used for compilation (-fpic, -fPIC, or model suboptions) when you specify this linker option." Add TODO for this about sharedlib_osx as I can't test that. Add documentation when "make clean" is needed. So far we only have a single set of .o files written in the same folder. So this has to be called basically on all changes. Use CPPFLAGS instead of CFLAGS, CXXFLAGS in a few places for options which should be used for all files. Add CFLAGS and CXXFLAGS for dependency files (not 100% certain about those, just seems to make more sense to me) git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@6207 dfc29bdd-3216-0410-991c-e03cc46cb475
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@ -11,6 +11,10 @@ VERSION_RELEASE = 0
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# This will compile Irrlicht, create a static lib (libIrrlicht.a), and copy it
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# into the subdirectory lib/Linux. That's all.
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#
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# If you switch any settings (like debug/release/static/shared) then first run:
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#
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# make clean
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#
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# If you want Irrlicht to be compiled as shared lib (libIrrlicht.so.versionnumber), then run:
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#
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# make sharedlib
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@ -74,17 +78,18 @@ CPPFLAGS += $(CXXINCS) -DIRRLICHT_EXPORTS=1
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CXXFLAGS += -Wall -pipe -fno-exceptions -fno-rtti
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#CXXFLAGS += -std=gnu++11 -U__STRICT_ANSI__
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ifndef NDEBUG
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CXXFLAGS += -g -D_DEBUG
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CPPFLAGS += -g -D_DEBUG
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else
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CXXFLAGS += -O3
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CPPFLAGS += -O3
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endif
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ifdef PROFILE
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CXXFLAGS += -pg
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CPPFLAGS += -pg
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endif
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CFLAGS := -O3 -DPNG_THREAD_UNSAFE_OK -DPNG_NO_MMX_CODE -DPNG_NO_MNG_FEATURES -DPNG_ARM_NEON_OPT=0
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CFLAGS := -DPNG_THREAD_UNSAFE_OK -DPNG_NO_MMX_CODE -DPNG_NO_MNG_FEATURES -DPNG_ARM_NEON_OPT=0
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sharedlib sharedlib_osx: CXXFLAGS += -fPIC
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sharedlib sharedlib_osx: CFLAGS += -fPIC
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sharedlib sharedlib_osx: CPPFLAGS += -fPIC
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# TODO: also necessary on sharedlib_osx?
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sharedlib: LDFLAGS += -fPIC
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#multilib handling
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ifeq ($(HOSTTYPE), x86_64)
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@ -173,11 +178,11 @@ TAGS:
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# Create dependency files for automatic recompilation
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%.d:%.cpp
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$(CXX) $(CPPFLAGS) -MM -MF $@ $<
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$(CXX) $(CPPFLAGS) $(CXXFLAGS) -MM -MF $@ $<
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# Create dependency files for automatic recompilation
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%.d:%.c
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$(CC) $(CPPFLAGS) -MM -MF $@ $<
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$(CC) $(CPPFLAGS) $(CFLAGS) -MM -MF $@ $<
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# Create object files from objective-c code
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%.o:%.mm
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