build: Only try to read the VERSION file if it exists

[pulseview.git] / CMakeLists.txt

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 049c955ec76400ee6df04009e7c11b2102a2265e..800ffe27fec0aea78c3d4cd20b9f9bae4d1be06c 100644 (file)
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -65,10 +65,10 @@ endif()
 #= Dependencies
 #-------------------------------------------------------------------------------
 
-list(APPEND PKGDEPS libsigrokcxx>=0.3.0)
+list(APPEND PKGDEPS libsigrokcxx>=0.4.0)
 
 if(ENABLE_DECODE)
-       list(APPEND PKGDEPS libsigrokdecode>=0.3.0)
+       list(APPEND PKGDEPS libsigrokdecode>=0.4.0)
 endif()
 
 if(ANDROID)
@@ -121,13 +121,40 @@ memaccess_check_unaligned_le(HAVE_UNALIGNED_LITTLE_ENDIAN_ACCESS)
 
 set(PV_TITLE PulseView)
 set(PV_DESCRIPTION "A GUI for sigrok")
+set(PV_VERSION_STRING "0.3.0")
 
-set(PV_VERSION_MAJOR 0)
-set(PV_VERSION_MINOR 2)
-set(PV_VERSION_MICRO 0)
-set(PV_VERSION_STRING
-       ${PV_VERSION_MAJOR}.${PV_VERSION_MINOR}.${PV_VERSION_MICRO}
-)
+include(GetGitRevisionDescription)
+git_describe(PV_TAG_VERSION_STRING --tags --dirty)
+
+if(NOT PV_TAG_VERSION_STRING AND EXISTS "${PROJECT_SOURCE_DIR}/VERSION")
+       # Read the version from a file that is distributed with
+       # the source package (see writepackageversion.cmake).
+       file(STRINGS "${PROJECT_SOURCE_DIR}/VERSION" PV_TAG_VERSION_STRING LIMIT_COUNT 1)
+endif()
+
+if(PV_TAG_VERSION_STRING MATCHES
+               "^pulseview-([0-9]+\\.[0-9]+\\.[0-9]+)(-[0-9a-z]+)?(-g[-0-9a-z]+)?$")
+       set(PV_TAG_VERSION ${CMAKE_MATCH_1})
+       set(PV_TAG_PATCHLEVEL ${CMAKE_MATCH_2})
+       set(PV_TAG_REVHASH ${CMAKE_MATCH_3})
+
+       if(PV_VERSION_STRING VERSION_GREATER ${PV_TAG_VERSION})
+               # Tagged version older than current one: indicate pre-release.
+               set(PV_VERSION_STRING "${PV_VERSION_STRING}-pre${PV_TAG_REVHASH}")
+       else()
+               # For post-release changes, indicate the patch level.
+               set(PV_VERSION_STRING "${PV_TAG_VERSION}${PV_TAG_PATCHLEVEL}${PV_TAG_REVHASH}")
+       endif()
+endif()
+
+if(PV_VERSION_STRING MATCHES "^([0-9]+)\\.([0-9]+)\\.([0-9]+)(-[-0-9a-z]*)?$")
+       set(PV_VERSION_MAJOR ${CMAKE_MATCH_1})
+       set(PV_VERSION_MINOR ${CMAKE_MATCH_2})
+       set(PV_VERSION_MICRO ${CMAKE_MATCH_3})
+       set(PV_VERSION_SUFFIX ${CMAKE_MATCH_4})
+endif()
+
+message("-- ${PV_TITLE} version: ${PV_VERSION_STRING}")
 
 configure_file (
        ${PROJECT_SOURCE_DIR}/config.h.in
@@ -430,9 +457,9 @@ set(CPACK_PACKAGE_VERSION_PATCH ${PV_VERSION_MICRO})
 set(CPACK_PACKAGE_DESCRIPTION_FILE ${CMAKE_CURRENT_SOURCE_DIR}/README)
 set(CPACK_RESOURCE_FILE_LICENSE ${CMAKE_CURRENT_SOURCE_DIR}/COPYING)
 set(CPACK_SOURCE_IGNORE_FILES ${CMAKE_CURRENT_BINARY_DIR} ".gitignore" ".git")
-set(CPACK_SOURCE_PACKAGE_FILE_NAME
-       "${CMAKE_PROJECT_NAME}-${PV_VERSION_MAJOR}.${PV_VERSION_MINOR}.${PV_VERSION_MICRO}")
+set(CPACK_SOURCE_PACKAGE_FILE_NAME "${CMAKE_PROJECT_NAME}-${PV_VERSION_STRING}")
 set(CPACK_SOURCE_GENERATOR "TGZ")
+set(CPACK_INSTALL_SCRIPT ${CMAKE_CURRENT_SOURCE_DIR}/CMake/writepackageversion.cmake)
 
 include(CPack)