From c995b8309c92ab3dd1b4e2361b8af0684fe50ee8 Mon Sep 17 00:00:00 2001
From: Philip Rinn <rinni@gmx.net>
Date: Mon, 28 May 2012 13:46:45 +0200
Subject: [PATCH] Unify generation of AboutThisBuild.txt and rtgui/version.h.
 See issue 1377.

---
 About-Linux.cmake                         | 29 -----------------------
 About-Windows.cmake                       | 29 -----------------------
 About-Apple.cmake => AboutThisBuild.cmake | 13 +++++++---
 CMakeLists.txt                            |  6 ++---
 4 files changed, 13 insertions(+), 64 deletions(-)
 delete mode 100644 About-Linux.cmake
 delete mode 100644 About-Windows.cmake
 rename About-Apple.cmake => AboutThisBuild.cmake (85%)

diff --git a/About-Linux.cmake b/About-Linux.cmake
deleted file mode 100644
index 6b77827b5..000000000
--- a/About-Linux.cmake
+++ /dev/null
@@ -1,29 +0,0 @@
-# cmakefile executed within a makefile target
-
-# we look for the hg command in this paths by order of preference
-find_file(HG_CMD hg)
-
-
-# the hg command is looked for again, at build time
-if (HG_CMD STREQUAL HG_CMD-NOTFOUND)
-  message(FATAL_ERROR "hg command not found!")
-else (HG_CMD STREQUAL HG_CMD-NOTFOUND)
-  message(STATUS "hg command found: ${HG_CMD}")
-endif (HG_CMD STREQUAL HG_CMD-NOTFOUND)
-
-set (OUT_FILE "${SRC_DIR}/AboutThisBuild.txt")
-set (SHELL "/bin/bash")
-# there should be a better way of getting the compiler + compiler version, not restrained to Gcc
-execute_process(COMMAND gcc -dumpversion OUTPUT_VARIABLE GCC_VERSION OUTPUT_STRIP_TRAILING_WHITESPACE)
-execute_process(COMMAND ${HG_CMD} -R ${SRC_DIR} branch OUTPUT_VARIABLE HG_BRANCH OUTPUT_STRIP_TRAILING_WHITESPACE)
-execute_process(COMMAND ${HG_CMD} parents --template={latesttag}.{latesttagdistance} WORKING_DIRECTORY ${SRC_DIR} OUTPUT_VARIABLE HG_VERSION OUTPUT_STRIP_TRAILING_WHITESPACE)
-execute_process(COMMAND ${HG_CMD} parents --template={node|short} WORKING_DIRECTORY ${SRC_DIR} OUTPUT_VARIABLE HG_CHANGESET OUTPUT_STRIP_TRAILING_WHITESPACE)
-execute_process(COMMAND ${HG_CMD} parents --template={latesttagdistance} WORKING_DIRECTORY ${SRC_DIR} OUTPUT_VARIABLE HG_TAGDISTANCE OUTPUT_STRIP_TRAILING_WHITESPACE)
-if (CACHE_NAME_SUFFIX STREQUAL "")
-  execute_process(COMMAND ${HG_CMD} parents --template={latesttag} WORKING_DIRECTORY ${SRC_DIR} OUTPUT_VARIABLE CACHE_NAME_SUFFIX OUTPUT_STRIP_TRAILING_WHITESPACE)
-endif ()
-
-# build version.h from template
-configure_file (${SRC_DIR}/rtgui/version.h.in ${SRC_DIR}/rtgui/version.h)
-# build AboutThisBuild.txt from template
-configure_file (${SRC_DIR}/AboutThisBuild.txt.in ${SRC_DIR}/AboutThisBuild.txt)
diff --git a/About-Windows.cmake b/About-Windows.cmake
deleted file mode 100644
index abfd7a572..000000000
--- a/About-Windows.cmake
+++ /dev/null
@@ -1,29 +0,0 @@
-# cmakefile executed within a makefile target
-
-# we look for the hg command in this paths by order of preference
-find_file(HG_CMD hg.exe HINTS ENV Path PATH_SUFFIXES ../)
-
-
-# the hg command is looked for again, at build time
-if (HG_CMD STREQUAL HG_CMD-NOTFOUND)
-  message(FATAL_ERROR "hg command not found!")
-else (HG_CMD STREQUAL HG_CMD-NOTFOUND)
-  message(STATUS "hg command found: ${HG_CMD}")
-endif (HG_CMD STREQUAL HG_CMD-NOTFOUND)
-
-set (OUT_FILE "${SRC_DIR}/AboutThisBuild.txt")
-
-# there should be a better way of getting the compiler + compiler version, not restrained to Gcc
-execute_process(COMMAND gcc -dumpversion OUTPUT_VARIABLE GCC_VERSION OUTPUT_STRIP_TRAILING_WHITESPACE)
-execute_process(COMMAND ${HG_CMD} -R ${SRC_DIR} branch OUTPUT_VARIABLE HG_BRANCH OUTPUT_STRIP_TRAILING_WHITESPACE)
-execute_process(COMMAND ${HG_CMD} parents --template={latesttag}.{latesttagdistance} WORKING_DIRECTORY ${SRC_DIR} OUTPUT_VARIABLE HG_VERSION OUTPUT_STRIP_TRAILING_WHITESPACE)
-execute_process(COMMAND ${HG_CMD} parents --template={node|short} WORKING_DIRECTORY ${SRC_DIR} OUTPUT_VARIABLE HG_CHANGESET OUTPUT_STRIP_TRAILING_WHITESPACE)
-execute_process(COMMAND ${HG_CMD} parents --template={latesttagdistance} WORKING_DIRECTORY ${SRC_DIR} OUTPUT_VARIABLE HG_TAGDISTANCE OUTPUT_STRIP_TRAILING_WHITESPACE)
-if (CACHE_NAME_SUFFIX STREQUAL "")
-  execute_process(COMMAND ${HG_CMD} parents --template={latesttag} WORKING_DIRECTORY ${SRC_DIR} OUTPUT_VARIABLE CACHE_NAME_SUFFIX OUTPUT_STRIP_TRAILING_WHITESPACE)
-endif ()
-
-# build version.h from template
-configure_file (${SRC_DIR}/rtgui/version.h.in ${SRC_DIR}/rtgui/version.h)
-# build AboutThisBuild.txt from template
-configure_file (${SRC_DIR}/AboutThisBuild.txt.in ${SRC_DIR}/AboutThisBuild.txt)
diff --git a/About-Apple.cmake b/AboutThisBuild.cmake
similarity index 85%
rename from About-Apple.cmake
rename to AboutThisBuild.cmake
index 0d0a3d55d..33caa64e0 100644
--- a/About-Apple.cmake
+++ b/AboutThisBuild.cmake
@@ -1,8 +1,16 @@
 # cmakefile executed within a makefile target
 
 # we look for the hg command in this paths by order of preference
-find_file(HG_CMD hg PATHS "/opt/local/bin" "/usr/local/bin" "/usr/bin")
-find_file(HG_CMD hg)
+if (WIN32)
+  find_file(HG_CMD hg.exe HINTS ENV Path PATH_SUFFIXES ../)
+elseif (APPLE)
+  find_file(HG_CMD hg PATHS "/opt/local/bin" "/usr/local/bin" "/usr/bin")
+  find_file(HG_CMD hg)
+  set (SHELL "/bin/bash")
+else (WIN32) # Linux
+  find_file(HG_CMD hg)
+  set (SHELL "/bin/bash")
+endif (WIN32)
 
 # the hg command is looked for again, at build time
 if (HG_CMD STREQUAL HG_CMD-NOTFOUND)
@@ -12,7 +20,6 @@ else (HG_CMD STREQUAL HG_CMD-NOTFOUND)
 endif (HG_CMD STREQUAL HG_CMD-NOTFOUND)
 
 set (OUT_FILE "${SRC_DIR}/AboutThisBuild.txt")
-set (SHELL "/bin/bash")
 # there should be a better way of getting the compiler + compiler version, not restrained to Gcc
 execute_process(COMMAND gcc -dumpversion OUTPUT_VARIABLE GCC_VERSION OUTPUT_STRIP_TRAILING_WHITESPACE)
 execute_process(COMMAND ${HG_CMD} -R ${SRC_DIR} branch OUTPUT_VARIABLE HG_BRANCH OUTPUT_STRIP_TRAILING_WHITESPACE)
diff --git a/CMakeLists.txt b/CMakeLists.txt
index bffa9bfac..e9f371575 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -231,7 +231,7 @@ else (AUTOMATED_BUILD_SYSTEM)
               -DLFLAGS:STRING=\"${CMAKE_EXE_LINKER_FLAGS} ${CMAKE_EXE_LINKER_FLAGS_${UPPER_CMAKE_BUILD_TYPE}}\"
               -DOPTION_OMP:STRING=${OPTION_OMP}
               -DWITH_MYFILE_MMAP:STRING=${WITH_MYFILE_MMAP}
-              -P ${CMAKE_CURRENT_SOURCE_DIR}/About-Windows.cmake
+              -P ${CMAKE_CURRENT_SOURCE_DIR}/AboutThisBuild.cmake
       COMMENT "Creating the about file"
     )
     find_file(HG_CMD hg.exe HINTS ENV Path PATH_SUFFIXES ../)
@@ -251,7 +251,7 @@ else (AUTOMATED_BUILD_SYSTEM)
               -DLFLAGS:STRING=${CMAKE_EXE_LINKER_FLAGS} ${CMAKE_EXE_LINKER_FLAGS_${UPPER_CMAKE_BUILD_TYPE}}
               -DOPTION_OMP:STRING=${OPTION_OMP}
               -DWITH_MYFILE_MMAP:STRING=${WITH_MYFILE_MMAP}
-              -P ${CMAKE_CURRENT_SOURCE_DIR}/About-Apple.cmake
+              -P ${CMAKE_CURRENT_SOURCE_DIR}/AboutThisBuild.cmake
       COMMENT "Creating the about file"
     )
     find_file(HG_CMD hg PATHS "/opt/local/bin" "/usr/local/bin" "/usr/bin")
@@ -272,7 +272,7 @@ else (AUTOMATED_BUILD_SYSTEM)
               -DLFLAGS:STRING=${CMAKE_EXE_LINKER_FLAGS} ${CMAKE_EXE_LINKER_FLAGS_${UPPER_CMAKE_BUILD_TYPE}}
               -DOPTION_OMP:STRING=${OPTION_OMP}
               -DWITH_MYFILE_MMAP:STRING=${WITH_MYFILE_MMAP}
-              -P ${CMAKE_CURRENT_SOURCE_DIR}/About-Linux.cmake
+              -P ${CMAKE_CURRENT_SOURCE_DIR}/AboutThisBuild.cmake
       COMMENT "Creating the about file"
     )
     find_file(HG_CMD hg)