02-variables.cmake: Avoid checking CXX version if not required

[apps/app-templates.git] / cmake / cmake.d / 02-variables.cmake

diff --git a/cmake/cmake.d/02-variables.cmake b/cmake/cmake.d/02-variables.cmake
index e64b8f1..693991a 100644 (file)
--- a/cmake/cmake.d/02-variables.cmake
+++ b/cmake/cmake.d/02-variables.cmake
@@ -67,6 +67,13 @@ execute_process(COMMAND git describe --abbrev=0
        OUTPUT_STRIP_TRAILING_WHITESPACE
 )
 
+# Get the git commit hash to append to the version
+execute_process(COMMAND git rev-parse --short HEAD
+       WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
+       OUTPUT_VARIABLE COMMIT_HASH
+       OUTPUT_STRIP_TRAILING_WHITESPACE
+)
+
 # Detect unstaged or untracked changes
 execute_process(COMMAND git status --short
        WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
@@ -79,16 +86,16 @@ execute_process(COMMAND git status --short
 if(NOT DEFINED PROJECT_VERSION)
        set(PROJECT_VERSION ${GIT_PROJECT_VERSION})
 endif()
+
 # Release additionnals informations isn't supported so setting project
 # attributes then add the dirty flag if git repo not sync'ed
 project(${PROJECT_NAME} VERSION ${PROJECT_VERSION} LANGUAGES ${PROJECT_LANGUAGES})
 if(NOT ${DIRTY_FLAG})
-set(PROJECT_VERSION "${PROJECT_VERSION}-dirty")
+       set(PROJECT_VERSION "${PROJECT_VERSION}-${COMMIT_HASH}-dirty")
+else()
+       set(PROJECT_VERSION "${PROJECT_VERSION}-${COMMIT_HASH}")
 endif()
 
-#set(PROJECT_LIBDIR "${CMAKE_SOURCE_DIR}/libs" CACHE PATH "Subpath to libraries")
-#set(PROJECT_RESOURCES "${CMAKE_SOURCE_DIR}/data" CACHE PATH "Subpath to data")
-
 set(AFB_TOKEN   ""      CACHE PATH "Default AFB_TOKEN")
 set(AFB_REMPORT "1234" CACHE PATH "Default AFB_TOKEN")
 
@@ -96,7 +103,7 @@ set(AFB_REMPORT "1234" CACHE PATH "Default AFB_TOKEN")
 if (gcc_minimal_version)
 message (STATUS "${Cyan}-- Check gcc_minimal_version (found gcc version ${CMAKE_C_COMPILER_VERSION}) \
 (found g++ version ${CMAKE_CXX_COMPILER_VERSION})${ColourReset}")
-if (CMAKE_CXX_COMPILER_VERSION VERSION_LESS ${gcc_minimal_version} OR CMAKE_C_COMPILER_VERSION VERSION_LESS ${gcc_minimal_version})
+if (("${PROJECT_LANGUAGES}" MATCHES "CXX" AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS ${gcc_minimal_version}) OR CMAKE_C_COMPILER_VERSION VERSION_LESS ${gcc_minimal_version})
 message(FATAL_ERROR "${Red}**** FATAL: Require at least gcc-${gcc_minimal_version} please set CMAKE_C[XX]_COMPILER")
 endif()
 endif(gcc_minimal_version)
@@ -178,4 +185,12 @@ set(BINDIR bin CACHE PATH "User executables")
 set(ETCDIR etc CACHE PATH "Read only system configuration data")
 set(LIBDIR lib CACHE PATH "System library directory")
 set(HTTPDIR htdocs CACHE PATH "HTML5 data directory")
-set(DATADIR data CACHE PATH "External data resources files")
+set(DATADIR var CACHE PATH "External data resources files")
+
+# Normally CMake uses the build tree for the RPATH when building executables
+# etc on systems that use RPATH. When the software is installed the executables
+# etc are relinked by CMake to have the install RPATH. If this variable is set
+# to true then the software is always built with the install path for the RPATH
+# and does not need to be relinked when installed.
+# Rpath could be set and controlled by target property INSTALL_RPATH
+set(CMAKE_BUILD_WITH_INSTALL_RPATH true)