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112 lines
3.3 KiB
Plaintext
112 lines
3.3 KiB
Plaintext
# (C) Copyright David Abrahams 2001. Permission to copy, use,
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# modify, sell and distribute this software is granted provided this
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# copyright notice appears in all copies. This software is provided
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# "as is" without express or implied warranty, and with no claim as
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# to its suitability for any purpose.
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# compute directories for invoking GCC
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GCC_BIN_DIRECTORY ?= $(GCC_ROOT_DIRECTORY)$(SLASH)bin$(SLASH) ;
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GCC_BIN_DIRECTORY ?= "" ; # Don't clobber tool names if GCC_ROOT_DIRECTORY not set
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GCC_INCLUDE_DIRECTORY ?= $(GCC_ROOT_DIRECTORY)$(SLASH)include ;
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GCC_STDLIB_DIRECTORY ?= $(GCC_ROOT_DIRECTORY)$(SLASH)lib ;
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flags gcc LINKFLAGS <runtime-link>static : -static ;
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flags gcc CFLAGS <debug-symbols>on : -g ;
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flags gcc LINKFLAGS <debug-symbols>on : -g ;
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flags gcc CFLAGS <optimization>off : -O0 ;
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flags gcc CFLAGS <optimization>speed : -O4 ;
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# Other optimizations we might want for GCC
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# -fforce-mem -fomit-frame-pointer
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# -foptimize-sibling-calls -finline-functions -ffast-math -finline-limit=10000
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flags gcc CFLAGS <optimization>space : -O2 ;
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flags gcc CFLAGS <inlining>off : -fno-inline ;
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flags gcc CFLAGS <inlining>on : -Wno-inline ;
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flags gcc CFLAGS <inlining>full : -finline-functions -Wno-inline ;
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flags gcc CFLAGS <profiling>on : -pg ;
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flags gcc LINKFLAGS <profiling>on : -pg ;
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flags gcc DEFINES <define> ;
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flags gcc UNDEFS <undef> ;
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flags gcc HDRS <include> ;
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flags gcc STDHDRS : $(GCC_INCLUDE_DIRECTORY) ;
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flags gcc STDLIBPATH : $(GCC_STDLIB_DIRECTORY) ;
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flags gcc CFLAGS <shared-linkable>true : -fPIC ;
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flags gcc LINKFLAGS <shared-linkable>true : -fPIC ;
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if $(BETOOLS)
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{
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flags gcc LINKFLAGS <target-type>DLL : -nostart ;
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}
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else
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{
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flags gcc LINKFLAGS <target-type>DLL : -shared ;
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}
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flags gcc LIBPATH <library-path> ;
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flags gcc NEEDLIBS <library-file> ;
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flags gcc FINDLIBS <find-library> ;
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#### Link ####
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rule Link-action
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{
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# This will appear before the import library name when building a DLL, but
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# will be "multiplied away" otherwise. The --exclude-symbols directive
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# proved to be neccessary with some versions of Cygwin.
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IMPLIB_COMMAND on $(<) = "-Wl,--exclude-symbols,_bss_end__:_bss_start__:_data_end__:_data_start__ -Wl,--out-implib," ;
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# IMPLIB_COMMAND on $(<) = "-Wl,--out-implib," ;
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gcc-Link-action $(<) : $(>) ;
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}
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# for gcc, we repeat all libraries so that dependencies are always resolved
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actions gcc-Link-action bind NEEDLIBS
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{
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$(GCC_BIN_DIRECTORY)g++ $(IMPLIB_COMMAND)$(<[2]) $(LINKFLAGS) -o "$(<[1])" -L$(LIBPATH) -L$(STDLIBPATH) "$(>)" "$(NEEDLIBS)" "$(NEEDLIBS)" -l$(FINDLIBS)
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}
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# older actions
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# $(GCC_BIN_DIRECTORY)dlltool -e $(<[1]:S=:D=:G=) -l "$(<[2])" "$(>)"
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# $(GCC_BIN_DIRECTORY)g++ $(LINKFLAGS) -L$(STDLIBPATH) "$(>)" "$(NEEDLIBS)" "$(NEEDLIBS)" -o "$(<[1])"
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#### Cc #####
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rule Cc-action
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{
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gcc-Cc-action $(<) : $(>) ;
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}
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actions gcc-Cc-action
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{
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$(GCC_BIN_DIRECTORY)gcc -c -Wall -U$(UNDEFS) -D$(DEFINES) $(CFLAGS) -I"$(HDRS)" -I"$(STDHDRS)" -o "$(<)" "$(>)"
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}
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#### C++ ####
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rule C++-action
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{
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gcc-C++-action $(<) : $(>) ;
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}
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actions gcc-C++-action
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{
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$(GCC_BIN_DIRECTORY)g++ -c -Wall -ftemplate-depth-100 -U$(UNDEFS) -D$(DEFINES) $(CFLAGS) $(C++FLAGS) -I"$(HDRS)" -I"$(STDHDRS)" -o "$(<)" "$(>)"
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}
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#### Archive ####
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rule Archive-action
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{
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gcc-Archive-action $(<) : $(>) ;
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}
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actions updated together piecemeal gcc-Archive-action
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{
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ar ru "$(<)" "$(>)"
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}
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