From 9f6bc4ea37f9288a728941f3d7f49a1cdc35907e Mon Sep 17 00:00:00 2001
From: Alexandre Moine <nobrakal@gmail.com>
Date: Sat, 22 Aug 2015 13:43:16 +0200
Subject: [PATCH] Add cross-compile support

---
 Makefile.am                                   |  17 +++++++
 configure.ac                                  |  47 ++++++++----------
 .../LICENSE-ogg-vorbis.txt                    |   0
 LICENSE-sdl.txt => dll/LICENSE-sdl.txt        |   0
 SDL.dll => dll/SDL.dll                        | Bin
 SDL_gfx.dll => dll/SDL_gfx.dll                | Bin
 SDL_mixer.dll => dll/SDL_mixer.dll            | Bin
 SDL_ttf.dll => dll/SDL_ttf.dll                | Bin
 libogg-0.dll => dll/libogg-0.dll              | Bin
 libvorbis-0.dll => dll/libvorbis-0.dll        | Bin
 .../libvorbisfile-3.dll                       | Bin
 11 files changed, 38 insertions(+), 26 deletions(-)
 rename LICENSE-ogg-vorbis.txt => dll/LICENSE-ogg-vorbis.txt (100%)
 rename LICENSE-sdl.txt => dll/LICENSE-sdl.txt (100%)
 rename SDL.dll => dll/SDL.dll (100%)
 rename SDL_gfx.dll => dll/SDL_gfx.dll (100%)
 rename SDL_mixer.dll => dll/SDL_mixer.dll (100%)
 rename SDL_ttf.dll => dll/SDL_ttf.dll (100%)
 rename libogg-0.dll => dll/libogg-0.dll (100%)
 rename libvorbis-0.dll => dll/libvorbis-0.dll (100%)
 rename libvorbisfile-3.dll => dll/libvorbisfile-3.dll (100%)

diff --git a/Makefile.am b/Makefile.am
index 459664e6..96a69ce9 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -27,3 +27,20 @@ clean-local:
 # First target made
 BUILT_SOURCES = language-data.cpp graph.cpp
 
+#############################
+# Platform specific setup
+#############################
+windres_prefix=""
+if MINGW 
+hyperrogue_SOURCES += hyper.res
+hyperrogue_CPPFLAGS += ${wincppflags}
+#hyperrogue_LDFLAGS = "-static-libgcc -static-libstdc++"
+windres_prefix += "${host_cpu}-w64-mingw32-"
+
+endif MINGW
+
+#############################
+# Arch specific setup
+#############################
+hyper.res: hyper.rc hr-icon.ico
+	${windres_prefix}windres hyper.rc -O coff -o hyper.res
diff --git a/configure.ac b/configure.ac
index 7c7cce00..2dfe1c49 100644
--- a/configure.ac
+++ b/configure.ac
@@ -11,24 +11,35 @@ AC_CONFIG_SRCDIR([hyperpoint.cpp])
 AC_PROG_CXX
 AC_PROG_CC
 
+# Check for which host we are on and setup a few things
+# specifically based on the host
+AC_CANONICAL_HOST
+AM_CONDITIONAL(DARWIN, test ["${host_os#*darwin}" != "$host_os"])
+
+AM_CONDITIONAL(LINUX, test ["${host_os#*linux}" != "$host_os"])
+
+AM_CONDITIONAL(MINGW, test ["${host_os#*mingw}" != "$host_os"])
+export wincppflags=""
+AS_IF( test ["${host_os#*mingw}" != "$host_os"], [export EXEEXT=".exe"],[])
+
 # Checks for libraries.
 # FIXME: Replace `main' with a function in `-lGL':
-AC_CHECK_LIB([GL], [main], [], [AC_MSG_ERROR([GL library was not found])])
+AC_CHECK_LIB([GL], [main], [], AC_MSG_ERROR([GL library was not found]))
 # FIXME: Replace `main' with a function in `-lSDL':
-AC_CHECK_LIB([SDL], [main], [], [AC_MSG_ERROR([SDL library was not found])])
-# FIXME: Replace `main' with a function in `-lSDL_gfx':
-AC_CHECK_LIB([SDL_gfx], [main], [], [AC_MSG_ERROR([SDL_gfx library was not found])])
+AC_CHECK_LIB([SDL], [main], [], AC_MSG_ERROR([SDL library was not found]))
 # FIXME: Replace `main' with a function in `-lSDL_mixer':
-AC_CHECK_LIB([SDL_mixer], [main], [], [AC_MSG_ERROR([SDL_mixer library was not found])])
+AC_CHECK_LIB([SDL_mixer], [main], [], AC_MSG_ERROR([SDL_mixer library was not found]))
+# FIXME: Replace `main' with a function in `-lSDL_gfx':
+AC_CHECK_LIB([SDL_gfx], [main], [], [AS_IF( test ["${host_os#*mingw}" != "$host_os"], [export wincppflags=$wincppflags" dll/SDL_gfx.dll" && AC_MSG_RESULT([Building for windows, ignoring])] ,AC_MSG_ERROR([SDL_gfx library was not found]))])
 # FIXME: Replace `main' with a function in `-lSDL_ttf':
-AC_CHECK_LIB([SDL_ttf], [main], [], [AC_MSG_ERROR([SDL_ttf library was not found])])
+AC_CHECK_LIB([SDL_ttf], [main], [], [AS_IF( test ["${host_os#*mingw}" != "$host_os"], [export wincppflags=$wincppflags" dll/SDL_ttf.dll" && AC_MSG_RESULT([Building for windows, ignoring])] ,AC_MSG_ERROR([SDL_ttf library was not found]))])
 
 # Checks for header files.
 AC_CHECK_HEADERS([stdlib.h unistd.h])
-AC_CHECK_HEADERS([SDL/SDL.h], [], [AC_MSG_ERROR([SDL/SDL.h header was not found])])
+AC_CHECK_HEADERS([SDL/SDL.h], [], AC_MSG_ERROR([SDL/SDL.h header was not found]))
 #AC_CHECK_HEADERS([SDL/SDL_gfx.h], [], [AC_MSG_ERROR([SDL/SDL_gfx.h header was not found])])
-AC_CHECK_HEADERS([SDL/SDL_mixer.h], [], [AC_MSG_ERROR([SDL/SDL_mixer.h header was not found])])
-AC_CHECK_HEADERS([SDL/SDL_ttf.h], [], [AC_MSG_ERROR([SDL/SDL_ttf.h header was not found])])
+AC_CHECK_HEADERS([SDL/SDL_mixer.h], [], AC_MSG_ERROR([SDL/SDL_mixer.h header was not found]))
+AC_CHECK_HEADERS([SDL/SDL_ttf.h], [], AS_IF( test ["${host_os#*mingw}" != "$host_os"], [] ,AC_MSG_ERROR([SDL/SDL_ttf.h header was not found])))
 
 # Checks for typedefs, structures, and compiler characteristics.
 AC_CHECK_HEADER_STDBOOL
@@ -38,23 +49,7 @@ AC_TYPE_SIZE_T
 # Checks for library functions.
 AC_CHECK_FUNCS([memset sqrt strstr])
 
-#############################
-# Platform specific setup
-#############################
-AC_CANONICAL_HOST
-# Check for which host we are on and setup a few things
-# specifically based on the host
-case $host_os in
-  darwin* )
-        SYSTEM=DARWIN
-        ;;
-  linux*)
-        SYSTEM=LINUX
-        ;;
-   *mingw*)
-        SYSTEM=MINGW
-        ;;
-esac
+AC_SUBST([wincppflags])
 
 AC_CONFIG_FILES([Makefile])
 AC_OUTPUT
diff --git a/LICENSE-ogg-vorbis.txt b/dll/LICENSE-ogg-vorbis.txt
similarity index 100%
rename from LICENSE-ogg-vorbis.txt
rename to dll/LICENSE-ogg-vorbis.txt
diff --git a/LICENSE-sdl.txt b/dll/LICENSE-sdl.txt
similarity index 100%
rename from LICENSE-sdl.txt
rename to dll/LICENSE-sdl.txt
diff --git a/SDL.dll b/dll/SDL.dll
similarity index 100%
rename from SDL.dll
rename to dll/SDL.dll
diff --git a/SDL_gfx.dll b/dll/SDL_gfx.dll
similarity index 100%
rename from SDL_gfx.dll
rename to dll/SDL_gfx.dll
diff --git a/SDL_mixer.dll b/dll/SDL_mixer.dll
similarity index 100%
rename from SDL_mixer.dll
rename to dll/SDL_mixer.dll
diff --git a/SDL_ttf.dll b/dll/SDL_ttf.dll
similarity index 100%
rename from SDL_ttf.dll
rename to dll/SDL_ttf.dll
diff --git a/libogg-0.dll b/dll/libogg-0.dll
similarity index 100%
rename from libogg-0.dll
rename to dll/libogg-0.dll
diff --git a/libvorbis-0.dll b/dll/libvorbis-0.dll
similarity index 100%
rename from libvorbis-0.dll
rename to dll/libvorbis-0.dll
diff --git a/libvorbisfile-3.dll b/dll/libvorbisfile-3.dll
similarity index 100%
rename from libvorbisfile-3.dll
rename to dll/libvorbisfile-3.dll