From 2d22b88695a51e103966340ec3f7d49b17310b31 Mon Sep 17 00:00:00 2001
From: Xavier Del Campo Romero <xavi.dcr@tutanota.com>
Date: Fri, 15 Jul 2022 00:53:00 +0200
Subject: [PATCH] Import SDL_gfx

---
 CMakeLists.txt         | 1 +
 cmake/host.cmake       | 1 +
 cmake/win9x.cmake      | 8 ++++++++
 doc/BUILD-win9x.md     | 7 +++++++
 src/gfx/CMakeLists.txt | 2 +-
 5 files changed, 18 insertions(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index f55a5a0..4eecb5d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -8,6 +8,7 @@ ExternalProject_Add(tools
         -D CMAKE_INSTALL_PREFIX=${TOOLS_PREFIX})
 
 project(rts)
+set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${CMAKE_SOURCE_DIR}/cmake)
 
 if(CMAKE_TOOLCHAIN_FILE MATCHES "ps1")
     set(PS1_BUILD 1)
diff --git a/cmake/host.cmake b/cmake/host.cmake
index 1d80613..7974ee5 100644
--- a/cmake/host.cmake
+++ b/cmake/host.cmake
@@ -1,6 +1,7 @@
 file(MAKE_DIRECTORY ${cdroot})
 find_package(SDL 1.2 REQUIRED)
 find_package(SDL_mixer 1.2 REQUIRED)
+find_package(SDL_gfx 2.0 REQUIRED)
 set(SDL1_2_BUILD 1)
 
 if(CMAKE_BUILD_TYPE STREQUAL "Debug")
diff --git a/cmake/win9x.cmake b/cmake/win9x.cmake
index bafca86..9113629 100644
--- a/cmake/win9x.cmake
+++ b/cmake/win9x.cmake
@@ -3,6 +3,8 @@ if("$ENV{SDL_PATH}" STREQUAL "")
     message(FATAL_ERROR "please define env variable SDL_PATH")
 elseif("$ENV{SDL_MIXER_PATH}" STREQUAL "")
     message(FATAL_ERROR "please define env variable SDL_MIXER_PATH")
+elseif("$ENV{SDL_GFX_PATH}" STREQUAL "")
+    message(FATAL_ERROR "please define env variable SDL_GFX_PATH")
 endif()
 
 add_custom_command(OUTPUT ${cdroot}/${PROJECT_NAME}
@@ -24,6 +26,12 @@ set_property(TARGET SDL_mixer PROPERTY IMPORTED_LOCATION
 target_include_directories(SDL_mixer INTERFACE $ENV{SDL_MIXER_PATH}/include)
 target_link_libraries(SDL_mixer INTERFACE SDL)
 
+add_library(SDL_gfx STATIC IMPORTED)
+set_property(TARGET SDL_gfx PROPERTY IMPORTED_LOCATION
+    $ENV{SDL_GFX_PATH}/lib/libSDL_gfx.a)
+target_include_directories(SDL_gfx INTERFACE $ENV{SDL_GFX_PATH}/include)
+target_link_libraries(SDL_gfx INTERFACE SDL)
+
 add_compile_options(-march=i386)
 set(SDL1_2_BUILD 1)
 
diff --git a/doc/BUILD-win9x.md b/doc/BUILD-win9x.md
index 2120f4e..b8b053f 100644
--- a/doc/BUILD-win9x.md
+++ b/doc/BUILD-win9x.md
@@ -125,3 +125,10 @@ WAVE files, support for other audio formats is not required.
     --disable-music-flac CC=i386-mingw32-gcc --with-sdl-prefix=$HOME/sdl-1.2.15 \
     CFLAGS='-ffunction-sections -fdata-sections'
 ```
+
+```sh
+../SDL_gfx-2.0.26-src/configure --host=i386-mingw32 --enable-shared=no \
+    --prefix=$HOME/SDL_gfx-2.0.26 --with-sdl-prefix=$HOME/sdl-1.2.15 \
+    CFLAGS='-ffunction-sections -fdata-sections' \
+    CC=i386-mingw32-gcc
+```
diff --git a/src/gfx/CMakeLists.txt b/src/gfx/CMakeLists.txt
index 9cc1b0e..f9c4c83 100644
--- a/src/gfx/CMakeLists.txt
+++ b/src/gfx/CMakeLists.txt
@@ -25,7 +25,7 @@ elseif(SDL1_2_BUILD)
         "sdl-1.2/src/sprite.c"
         "sdl-1.2/src/quad.c")
     set(deps ${deps} SDL)
-    set(privdeps ${privdeps} header)
+    set(privdeps ${privdeps} header SDL_gfx)
 endif()
 
 add_library(gfx ${src})