# this will generate a target that will never exist, so it will (should) be executed on each build
#WARNING: Actually, only Gcc is supported

string (TOUPPER ${CMAKE_BUILD_TYPE} UPPER_CMAKE_BUILD_TYPE)

set (OUT_FILE "${CMAKE_CURRENT_SOURCE_DIR}/AboutThisBuild.txt")
set (VERSION_FILE "${CMAKE_CURRENT_SOURCE_DIR}/rtgui/version.h")

add_custom_target (AboutFile ALL
	COMMAND for /F \"tokens=*\" %%i in \('hg -R \"${CMAKE_CURRENT_SOURCE_DIR}\" branch'\) do echo Branch: %%i >${OUT_FILE}
	COMMAND hg -R \"${CMAKE_CURRENT_SOURCE_DIR}\" parents --template=\"Version: {latesttag}.{latesttagdistance}\\nChangset: {node|short}\\n\" >>${OUT_FILE}
	COMMAND for /F \"tokens=*\" %%i in \('gcc -dumpversion'\) do echo Compiler: GCC%%i >>${OUT_FILE}
	COMMAND \(echo Processor: ${PROC_LABEL}\) >>${OUT_FILE}
	COMMAND \(echo Bit depth: ${PROC_BIT_DEPTH}\) >>${OUT_FILE}
	COMMAND \(echo Gtkmm: V${GTKMM_VERSION}\) >>${OUT_FILE}
	COMMAND \(echo Build type: ${CMAKE_BUILD_TYPE}\) >>${OUT_FILE}
	COMMAND \(echo Build flags: ${CMAKE_CXX_FLAGS} ${CMAKE_CXX_FLAGS_${UPPER_CMAKE_BUILD_TYPE}} \) >>${OUT_FILE}
	COMMAND \(echo Link flags: ${CMAKE_EXE_LINKER_FLAGS} ${CMAKE_EXE_LINKER_FLAGS_${UPPER_CMAKE_BUILD_TYPE}} \) >>${OUT_FILE}
	COMMAND (if ${OPTION_OMP}==ON       \(echo OpenMP support: Yes\) else \(echo OpenMP support: No\)) >>${OUT_FILE}
	COMMAND (if ${WITH_MYFILE_MMAP}==ON \(echo MMAP support: Yes\) else \(echo MMAP support: No\)) >>${OUT_FILE}
	COMMAND (if ${WITH_RAWZOR}==ON      \(echo Rawzor support: Yes\) else \(echo Rawzor support: No\)) >>${OUT_FILE}
	COMMAND hg -R \"${CMAKE_CURRENT_SOURCE_DIR}\" parents --template=\"// This file is automatically generated by the Makefile \; DO NOT EDIT!\\n// You can \(should\) also tell mercurial to ignore it.\\n\\n\#ifndef _VERSION_\\n\#define _VERSION_\\n\\n\#define VERSION \\"{latesttag}.{latesttagdistance}\\"\\n\#define TAGDISTANCE {latesttagdistance}\\n\\n\#endif\\n\" >${VERSION_FILE}
	COMMENT "Creating the about file"
)