From 9408bc53bc508c86d95026f92698b526102578a8 Mon Sep 17 00:00:00 2001
From: Lephenixnoir <sebastien.michelland@protonmail.com>
Date: Wed, 27 Jan 2021 16:04:19 +0100
Subject: [PATCH] switch build system to CMake

---
 CMakeLists.txt | 27 +++++++++++++++++++
 Makefile       | 72 --------------------------------------------------
 giteapc.make   | 16 ++++++++---
 libimg.conf    | 17 ------------
 4 files changed, 39 insertions(+), 93 deletions(-)
 create mode 100644 CMakeLists.txt
 delete mode 100644 Makefile
 delete mode 100644 libimg.conf

diff --git a/CMakeLists.txt b/CMakeLists.txt
new file mode 100644
index 0000000..fcd3408
--- /dev/null
+++ b/CMakeLists.txt
@@ -0,0 +1,27 @@
+# Build system for the libimg library for gint
+
+cmake_minimum_required(VERSION 3.18)
+project(libimg VERSION 2.2.1 LANGUAGES C)
+
+find_package(Gint 2.2.1 REQUIRED)
+
+add_compile_options(-Wall -Wextra -std=c11 -Os)
+include_directories("${CMAKE_CURRENT_SOURCE_DIR}")
+
+set(SOURCES
+  src/alloc.c
+  src/brightness.c
+  src/dye.c
+  src/flip.c
+  src/render.c
+  src/rotate-ip.c
+  src/rotate.c
+  src/upscale.c
+)
+
+set(NAME "img-${FXSDK_PLATFORM}")
+add_library("${NAME}" STATIC ${SOURCES})
+target_link_libraries("${NAME}" Gint::Gint)
+
+install(TARGETS "${NAME}" DESTINATION "${FXSDK_COMPILER_INSTALL}")
+install(FILES libimg.h DESTINATION "${FXSDK_COMPILER_INSTALL}/include")
diff --git a/Makefile b/Makefile
deleted file mode 100644
index 53a4790..0000000
--- a/Makefile
+++ /dev/null
@@ -1,72 +0,0 @@
-#! /usr/bin/make -f
-# libimg Makefile
-
-cflags    := -ffreestanding -nostdlib -I.
-header    := libimg.h
-
-# {target,cflags,lib}-{fx,cg} are provided by libimg.conf
-include libimg.conf
-
-# Files
-src       := $(wildcard src/*.c)
-obj-fx    := $(src:src/%=build-fx/%.o)
-obj-cg    := $(src:src/%=build-cg/%.o)
-
-# Compiler paths
-define compilerpath
-ifneq "$(lib-$1)" ""
-PREFIX-$1 := $$(shell $(target-$1)-gcc -print-search-dirs | grep install | \
-                      sed 's/install: //')
-ifeq "$$(PREFIX-$1)" ""
-$$(error "Cannot determine $1 compiler install path")
-endif
-endif
-endef
-
-$(eval $(call compilerpath,fx))
-$(eval $(call compilerpath,cg))
-
-#
-# Rules
-#
-
-all: $(lib-fx) $(lib-cg)
-
-all-fx: $(lib-fx)
-
-all-cg: $(lib-cg)
-
-libimg-fx.a: $(obj-fx)
-	$(target-fx)-ar rcs $@ $^
-libimg-cg.a: $(obj-cg)
-	$(target-cg)-ar rcs $@ $^
-
-build-fx/%.c.o: src/%.c | build-fx/
-	$(target-fx)-gcc -c $< -o $@ $(cflags) $(cflags-fx) -DFX9860G
-build-cg/%.c.o: src/%.c | build-cg/
-	$(target-cg)-gcc -c $< -o $@ $(cflags) $(cflags-cg) -DFXCG50
-
-clean:
-	@ rm -rf build-fx build-cg
-distclean: clean
-	@ rm -f $(lib-fx) $(lib-cg)
-
-%/:
-	@ mkdir -p $@
-
-#
-# Installing
-#
-
-install:
-	if [[ ! -z $(lib-fx) ]]; then \
-	  cp $(lib-fx) $(DESTDIR)$(PREFIX-fx); \
-	  cp $(header) $(DESTDIR)$(PREFIX-fx)/include; \
-	fi
-	if [[ ! -z $(lib-cg) ]]; then \
-	  cp $(lib-cg) $(DESTDIR)$(PREFIX-cg); \
-	  cp $(header) $(DESTDIR)$(PREFIX-cg)/include; \
-	fi
-
-.PRECIOUS: %/
-.PHONY: all all-fx all-cg clean distclean install
diff --git a/giteapc.make b/giteapc.make
index 78d8663..4727cfa 100644
--- a/giteapc.make
+++ b/giteapc.make
@@ -3,15 +3,23 @@
 -include giteapc-config.make
 
 configure:
-	@ true
+	@ fxsdk build-fx -c
+	@ fxsdk build-cg -c
 
 build:
-	@ make
+	@ fxsdk build-fx
+	@ fxsdk build-cg
 
 install:
-	@ make install
+	@ fxsdk build-fx install
+	@ fxsdk build-cg install
 
 uninstall:
-	@ make uninstall
+	@ if [[ -e build-fx/install_manifest.txt ]]; then \
+	     xargs rm -f < build-fx/install_manifest.txt; \
+          fi
+	@ if [[ -e build-cg/install_manifest.txt ]]; then \
+	     xargs rm -f < build-cg/install_manifest.txt; \
+          fi
 
 .PHONY: configure build install uninstall
diff --git a/libimg.conf b/libimg.conf
deleted file mode 100644
index d0eeb52..0000000
--- a/libimg.conf
+++ /dev/null
@@ -1,17 +0,0 @@
-# libimg configuration file
-# Edit this file to select your configuration options.
-
-# Library file name. You should not change these names, but you can comment
-# these two lines to disable the corresponding target (f.i. if you don't have
-# an fx-9860G-compatible compiler).
-lib-fx = libimg-fx.a
-lib-cg = libimg-cg.a
-
-# Default toolchain for each platform. Modern setups use sh-elf. If you have
-# either sh3eb-elf or sh4eb-elf, set them here.
-target-fx = sh-elf
-target-cg = sh-elf
-
-# Additional compiler flags for each platform.
-cflags-fx = -Wall -Wextra -Os -m3 -mb
-cflags-cg = -Wall -Wextra -Os -m4-nofpu -mb