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# (C) Copyright David Abrahams 2001. Permission to copy, use,
# modify, sell and distribute this software is granted provided this
# copyright notice appears in all copies. This software is provided
# "as is" without express or implied warranty, and with no claim as
# to its suitability for any purpose.
# compute directories for invoking GCC
SPACE ?= " " ;
GCC_BIN_DIRECTORY ?= $(GCC_ROOT_DIRECTORY)$(SLASH)bin$(SLASH) ;
GCC_BIN_DIRECTORY ?= "" ; # Don't clobber tool names if GCC_ROOT_DIRECTORY not set
GCC_INCLUDE_DIRECTORY ?= $(GCC_ROOT_DIRECTORY)$(SLASH)include ;
GCC_STDLIB_DIRECTORY ?= $(GCC_ROOT_DIRECTORY)$(SLASH)lib ;
flags gcc LINKFLAGS <runtime-link>static : -static ;
flags gcc CFLAGS <debug-symbols>on : -g ;
flags gcc LINKFLAGS <debug-symbols>on : -g ;
flags gcc CFLAGS <optimization>off : -O0 ;
flags gcc CFLAGS <optimization>speed : -O4 ;
# Other optimizations we might want for GCC
# -fforce-mem -fomit-frame-pointer
# -foptimize-sibling-calls -finline-functions -ffast-math -finline-limit=10000
flags gcc CFLAGS <optimization>space : -O2 ;
flags gcc CFLAGS <inlining>off : -fno-inline ;
flags gcc CFLAGS <inlining>on : -Wno-inline ;
flags gcc CFLAGS <inlining>full : -finline-functions -Wno-inline ;
if $(UNIX)
{
flags gcc CFLAGS <threading>multi : -pthread ;
flags gcc LINKFLAGS <threading>multi : -pthread ;
}
flags gcc CFLAGS <profiling>on : -pg ;
flags gcc LINKFLAGS <profiling>on : -pg ;
flags gcc C++FLAGS <rtti>off : -fno-rtti ;
flags gcc CFLAGS <cflags> ;
flags gcc C++FLAGS <cxxflags> ;
flags gcc DEFINES <define> ;
flags gcc UNDEFS <undef> ;
flags gcc HDRS <include> ;
flags gcc STDHDRS <sysinclude> ;
flags gcc LINKFLAGS <linkflags> ;
flags gcc ARFLAGS <arflags> ;
flags gcc STDHDRS : $(GCC_INCLUDE_DIRECTORY) ;
flags gcc STDLIBPATH : $(GCC_STDLIB_DIRECTORY) ;
if ! $(ARFLAGS)
{
flags gcc ARFLAGS : "" ;
}
if ! $(NT) # The compiler complains about -fPIC on NT
{
flags gcc CFLAGS <shared-linkable>true : -fPIC ;
flags gcc LINKFLAGS <shared-linkable>true : -fPIC ;
}
if $(BETOOLS)
{
flags gcc LINKFLAGS <target-type>$(SHARED_TYPES) : -nostart ;
}
else
{
flags gcc LINKFLAGS <target-type>$(SHARED_TYPES) : -shared ;
}
flags gcc LIBPATH <library-path> ;
flags gcc NEEDLIBS <library-file> ;
flags gcc FINDLIBS <find-library> ;
#### Link ####
rule Link-action
{
# This will appear before the import library name when building a DLL, but
# will be "multiplied away" otherwise. The --exclude-symbols directive
# proved to be neccessary with some versions of Cygwin.
IMPLIB_COMMAND on $(<) = "-Wl,--export-all-symbols -Wl,--exclude-symbols,_bss_end__:_bss_start__:_data_end__:_data_start__ -Wl,--out-implib," ;
DEPENDS $(<) : $(NEEDLIBS) ;
gRUN_LD_LIBRARY_PATH($(<)) += $(GCC_STDLIB_DIRECTORY) ;
if $(<[2]) && $(NT) && ( -mno-cygwin in $(gBUILD_PROPERTIES:G=) )
{
gcc-dllwrap $(<) : $(>) ;
}
else
{
gcc-Link-action $(<) : $(>) ;
}
}
# for gcc, we repeat all libraries so that dependencies are always resolved
actions gcc-Link-action bind NEEDLIBS
{
$(GCC_BIN_DIRECTORY)g++ $(IMPLIB_COMMAND)$(<[2]) $(LINKFLAGS) -o "$(<[1])" -L$(LIBPATH:T) -L$(STDLIBPATH:T) "$(>)" "$(NEEDLIBS)" "$(NEEDLIBS)" -l$(FINDLIBS) -Wl,-rpath-link,. -Wl,-soname,$(<[1]:D=).$(SOVERSION)
}
actions gcc-dllwrap bind NEEDLIBS
{
dllwrap --dllname $(<[1]) -o foo.pyd $(>) -s --entry _DllMain@12 --target=i386-mingw32 -L$(LIBPATH:T) -L$(STDLIBPATH:T) "$(>)" "$(NEEDLIBS)" "$(NEEDLIBS)" -l$(FINDLIBS) -Wl,-rpath-link,. $(LINKFLAGS)
}
#### Cc #####
rule Cc-action
{
gcc-Cc-action $(<) : $(>) ;
}
actions gcc-Cc-action
{
$(GCC_BIN_DIRECTORY)gcc -c -Wall -U$(UNDEFS) -D$(DEFINES) $(CFLAGS) -I"$(HDRS)" -isystem$(SPACE)"$(STDHDRS)" -o "$(<)" "$(>)"
}
#### C++ ####
rule C++-action
{
gcc-C++-action $(<) : $(>) ;
}
actions gcc-C++-action
{
$(GCC_BIN_DIRECTORY)g++ -c -Wall -ftemplate-depth-100 -U$(UNDEFS) -D$(DEFINES) $(CFLAGS) $(C++FLAGS) -I"$(HDRS)" -isystem$(SPACE)"$(STDHDRS)" -o "$(<)" "$(>)"
}
#### Archive ####
rule Archive-action
{
gcc-Archive-action $(<) : $(>) ;
}
actions updated together piecemeal gcc-Archive-action
{
ar ru$(ARFLAGS) "$(<:T)" "$(>:T)"
}
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