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add CROSS_CC CROSS_PKGCONFIG CROSS_SDLCONFIG for Mingw32 Cross compilation

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This commit is contained in:
Thomas Bernard 2018-02-06 22:21:56 +01:00
parent 6a6f9372ba
commit b70d49349a
2 changed files with 15 additions and 6 deletions
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4
doc/COMPILING.txt
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@ -96,8 +96,10 @@ This will only work on an UNIXsystem (Linux or FreeBSD).
== Windows ==
It is also possible to compile from linux, with this command :
make WIN32CROSS=1
$ make WIN32CROSS=1
You will need the mingw cross-compiler, and all the librairies listed above.
Variables CROSS_CC, CROSS_PKGCONFIG and CROSS_SDLCONFIG can be set :
$ CROSS_CC=mingw32-gcc CROSS_PKGCONFIG=mingw32-pkg-config CROSS_SDLCONFIG=/path/to/ming32/sdl-config WIN32CROSS=1 NOTTF=1 make
Here is a list of the resources used to build the Windows version:

17
src/Makefile
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@ -362,12 +362,19 @@ endif
# These can only be used under linux and maybe freebsd. They allow to compile for the gp2x or to create a windows binary
ifdef WIN32CROSS
#cross compile a Win32 executable
CC = i686-w64-mingw32-gcc
CROSS_CC ?= $(shell which i686-w64-mingw32-gcc || which mingw32-gcc)
CROSS_PKGCONFIG ?= $(shell i686-w64-mingw32-pkg-config || mingw32-pkg-config)
CROSS_SDLCONFIG ?= /usr/local/cross-tools/i386-mingw32/bin/sdl-config
CC = $(CROSS_CC)
BIN = ../bin/grafx2.exe
COPT = -W -Wall -Wdeclaration-after-statement -O$(OPTIM) -g -ggdb -Dmain=SDL_main $(shell /usr/local/cross-tools/i386-mingw32/bin/sdl-config --cflags) $(TTFCOPT)
LOPT = -mwindows -lmingw32 -lSDLmain -lSDL -lshlwapi $(shell /usr/local/cross-tools/i386-mingw32/bin/sdl-config --libs) -lSDL_image $(TTFLOPT)
COPT += $(shell PKG_CONFIG_PATH=/usr/local/cross-tools/i386-mingw32/lib/pkgconfig i686-w64-mingw32-pkg-config --cflags libpng)
LOPT += $(shell PKG_CONFIG_PATH=/usr/local/cross-tools/i386-mingw32/lib/pkgconfig i686-w64-mingw32-pkg-config --libs libpng)
COPT = -W -Wall -Wdeclaration-after-statement -O$(OPTIM) -g -ggdb -Dmain=SDL_main $(shell $(CROSS_SDLCONFIG) --cflags) $(TTFCOPT)
LOPT = -mwindows -lmingw32 -lSDLmain -lSDL -lshlwapi $(shell $(CROSS_SDLCONFIG) --libs) -lSDL_image $(TTFLOPT)
ifeq (,$(CROSS_PKGCONFIG))
COPT += -D__no_pnglib__
else
COPT += $(shell PKG_CONFIG_PATH=/usr/local/cross-tools/i386-mingw32/lib/pkgconfig $(CROSS_PKGCONFIG) --cflags libpng)
LOPT += $(shell PKG_CONFIG_PATH=/usr/local/cross-tools/i386-mingw32/lib/pkgconfig $(CROSS_PKGCONGIF) --libs libpng)
endif
OBJDIR = ../obj/win32
PLATFORM = win32
PLATFORMFILES = bin/SDL.dll bin/SDL_image.dll bin/libpng14-14.dll bin/zlib1.dll $(TTFLIBS)