From 516f646379b71dbe696eca65879710e33a9a4c79 Mon Sep 17 00:00:00 2001
From: Binary-Vanguard-12138
 <103393933+Binary-Vanguard-12138@users.noreply.github.com>
Date: Fri, 19 Jul 2024 11:03:26 +0200
Subject: [PATCH] #28 Build library and executable files using CMake

---
 .gitignore     |   1 +
 CMakeLists.txt | 134 +++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 135 insertions(+)
 create mode 100644 CMakeLists.txt

diff --git a/.gitignore b/.gitignore
index cbb1d3d..0cc5add 100644
--- a/.gitignore
+++ b/.gitignore
@@ -19,3 +19,4 @@ PY_RGPIO/build
 PY_RGPIO/dist
 PY_RGPIO/rgpio.egg-info/
 
+build/
\ No newline at end of file
diff --git a/CMakeLists.txt b/CMakeLists.txt
new file mode 100644
index 0000000..1c23dc4
--- /dev/null
+++ b/CMakeLists.txt
@@ -0,0 +1,134 @@
+cmake_minimum_required(VERSION 3.10)
+project(lg)
+
+set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -O3 -Wall -pthread -fpic ${CMAKE_CPP_FLAGS}")
+
+set(SOVERSION 1)
+
+set(prefix "/usr/local")
+set(exec_prefix "${prefix}")
+set(bindir "${exec_prefix}/bin")
+set(includedir "${prefix}/include")
+set(libdir "${prefix}/lib")
+set(mandir "${prefix}/man")
+
+set(CC "${CROSS_PREFIX}gcc")
+set(CXX "${CROSS_PREFIX}g++")
+set(AR "${CROSS_PREFIX}ar")
+set(RANLIB "${CROSS_PREFIX}ranlib")
+set(SIZE "${CROSS_PREFIX}size")
+set(STRIP "${CROSS_PREFIX}strip")
+set(SHLIB "${CC} -shared")
+set(STRIPLIB "${STRIP} --strip-unneeded")
+set(PYTHON "python3")
+
+SET(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
+SET(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
+SET(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
+set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY)
+
+set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib)
+set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)
+
+include_directories(
+    ${CMAKE_FIND_ROOT_PATH}/usr/include
+    ${CMAKE_FIND_ROOT_PATH}/usr/include/${CMAKE_LIBRARY_ARCHITECTURE}
+)
+
+set(OBJ_LGPIO
+    lgCtx.c
+    lgDbg.c
+    lgErr.c
+    lgGpio.c
+    lgHdl.c
+    lgI2C.c
+    lgNotify.c
+    lgPthAlerts.c
+    lgPthTx.c
+    lgSerial.c
+    lgSPI.c
+    lgThread.c
+    lgUtil.c
+)
+
+set(OBJ_RGPIO
+    rgpio.c
+    lgCfg.c
+    lgErr.c
+    lgDbg.c
+    lgMD5.c
+)
+
+set(OBJ_RGPIOD
+    lgCfg.c
+    lgCmd.c
+    lgExec.c
+    lgFile.c
+    lgMD5.c
+    lgPthSocket.c
+    lgScript.c
+)
+
+set(OBJ_RGS
+    lgCmd.c
+    lgCfg.c
+    lgDbg.c
+    lgErr.c
+    lgMD5.c
+)
+
+set(DOCS
+    DOC/src/defs/rgs.def
+    DOC/src/defs/rgpiod.def
+    DOC/src/defs/permits.def
+    DOC/src/defs/scripts.def
+    lgpio.h
+    rgpio.h
+)
+
+add_library(lgpio SHARED ${OBJ_LGPIO})
+set_target_properties(lgpio PROPERTIES
+    VERSION ${SOVERSION}
+    SOVERSION ${SOVERSION}
+)
+add_custom_command(TARGET lgpio POST_BUILD
+    COMMAND ${CMAKE_COMMAND} -E create_symlink ${CMAKE_SHARED_LIBRARY_PREFIX}lgpio.${SOVERSION} ${CMAKE_SHARED_LIBRARY_PREFIX}lgpio
+    COMMAND ${STRIP} $<TARGET_FILE:lgpio>
+    COMMAND ${SIZE} $<TARGET_FILE:lgpio>
+)
+
+add_library(rgpio SHARED ${OBJ_RGPIO})
+set_target_properties(rgpio PROPERTIES
+    VERSION ${SOVERSION}
+    SOVERSION ${SOVERSION}
+)
+add_custom_command(TARGET rgpio POST_BUILD
+    COMMAND ${CMAKE_COMMAND} -E create_symlink ${CMAKE_SHARED_LIBRARY_PREFIX}rgpio.${SOVERSION} ${CMAKE_SHARED_LIBRARY_PREFIX}rgpio
+    COMMAND ${STRIP} $<TARGET_FILE:rgpio>
+    COMMAND ${SIZE} $<TARGET_FILE:rgpio>
+)
+
+add_executable(rgpiod rgpiod.c ${OBJ_RGPIOD})
+add_custom_command(TARGET rgpiod POST_BUILD
+    COMMAND ${STRIP} $<TARGET_FILE:rgpiod>
+    COMMAND ${SIZE} $<TARGET_FILE:rgpiod>
+)
+target_link_libraries(rgpiod lgpio pthread rt)
+
+add_executable(rgs rgs.c ${OBJ_RGS})
+add_custom_command(TARGET rgs POST_BUILD
+    COMMAND ${STRIP} $<TARGET_FILE:rgs>
+    COMMAND ${SIZE} $<TARGET_FILE:rgs>
+)
+
+add_custom_target(docs DEPENDS ${DOCS})
+
+# add_custom_target(all DEPENDS lgpio rgpio rgpiod rgs docs)
+
+install(TARGETS lgpio DESTINATION ${libdir})
+install(TARGETS rgpio DESTINATION ${libdir})
+install(TARGETS rgpiod DESTINATION ${bindir})
+install(TARGETS rgs DESTINATION ${bindir})
+
+install(FILES lgpio.h rgpio.h DESTINATION ${includedir})
+install(FILES DOC/src/defs/rgs.def DOC/src/defs/rgpiod.def DOC/src/defs/permits.def DOC/src/defs/scripts.def DESTINATION ${mandir})