minrt: add cmakelists

meson.build

@@ -1,5 +1,5 @@
 project('sdk-seven', 'c',
-  version: '0.17.0',
+  version: '0.17.1',
   license: 'Zlib',
   meson_version: '>=0.55.0',
   default_options: ['warning_level=2', 'c_std=c99'])

minrt/CMakeLists.txt

@@ -0,0 +1,60 @@
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at https://mozilla.org/MPL/2.0/.
+#
+
+cmake_minimum_required(VERSION 3.0)
+
+project(minrt C ASM)
+set(CMAKE_INCLUDE_FLAG_ASM "-Wa,-I")
+
+add_library(minrt STATIC
+    src/gba/crt0.s
+    src/gba/ram.c
+    src/gba/rom_header.s
+)
+
+target_include_directories(minrt PUBLIC include/)
+target_include_directories(minrt PRIVATE src/gba/)
+
+target_compile_options(minrt PRIVATE
+    $<$<COMPILE_LANGUAGE:C>:-Os -g3 -gdwarf-4 -ffunction-sections -fdata-sections -std=c99 -Wall -Wpedantic -mabi=aapcs -mcpu=arm7tdmi -mthumb>
+)
+
+target_link_options(minrt INTERFACE
+    -mthumb
+    -specs=lib/nocrt0.specs
+    -L${CMAKE_CURRENT_LIST_DIR}/lib
+    -Trom.mem
+    -Tgba.x
+)
+
+add_library(minrt_multiboot STATIC
+    src/gba/crt0.s
+    src/gba/ram.c
+    src/gba/multiboot_header.s
+)
+
+target_include_directories(minrt_multiboot PUBLIC include/)
+target_include_directories(minrt_multiboot PRIVATE src/gba/)
+
+target_compile_options(minrt_multiboot PRIVATE
+    $<$<COMPILE_LANGUAGE:C>:-Os -g3 -gdwarf-4 -ffunction-sections -fdata-sections -std=c99 -Wall -Wpedantic -mabi=aapcs -mcpu=arm7tdmi -mthumb>
+)
+
+target_link_options(minrt_multiboot INTERFACE
+    -mthumb
+    -specs=lib/nocrt0.specs
+    -L${CMAKE_CURRENT_LIST_DIR}/lib
+    -Tmultiboot.mem
+    -Tgba.x
+)
+
+add_library(minrt_mb ALIAS minrt_multiboot)
+
+if(EXISTS $ENV{DEVKITPRO})
+    install(TARGETS minrt minrt_multiboot DESTINATION "$ENV{DEVKITPRO}/minrt/lib")
+    install(DIRECTORY include/ DESTINATION "$ENV{DEVKITPRO}/minrt/include")
+    install(FILES LICENSE.txt DESTINATION "$ENV{DEVKITPRO}/minrt")
+endif()