CMake 2.8.8 final test;

2016-01-11 23:40:16 +06:00 · 2016-01-11 23:40:16 +06:00 · 0b7c10121e
commit 0b7c10121e
parent 14148bd9c0
5 changed files with 98 additions and 26 deletions
--- a/.travis.yml
+++ b/.travis.yml
@ -1,8 +1,9 @@
 language: c

 before_install:
-  - "wget -q http://ftp.lfs-matrix.net/pub/blfs/conglomeration/cmake/cmake-2.8.11.tar.gz"
-  - "tar -xzvf cmake-2.8.11.tar.gz"
+  - "wget https://launchpad.net/ubuntu/+source/cmake/2.8.8-2ubuntu1/+build/3441442/+files/cmake_2.8.8-2ubuntu1_amd64.deb"
+  - "wget https://launchpad.net/ubuntu/+archive/primary/+files/cmake-data_2.8.8-2ubuntu1_all.deb"
+  - "sudo apt-get remove cmake-data cmake"
  - sudo apt-get update  -qq
  - sudo apt-get install -qq gcc-arm-linux-gnueabi
  - sudo apt-get install -qq clang
@ -11,11 +12,7 @@ before_install:
  - sudo apt-get install -qq valgrind

 install:
-  - "cd cmake-2.8.11"
-  - "./bootstrap --prefix=/usr --system-libs --mandir=/share/man"
-  - "make -j 16"
-  - "sudo make install -j 16"
-  - "cd .."
+    - "sudo dpkg --install cmake-data_2.8.8-2ubuntu1_all.deb cmake_2.8.8-2ubuntu1_amd64.deb" 

 env:
  - ZSTD_TRAVIS_CI_ENV=travis-install
@ -37,4 +34,4 @@ script:
  - make $ZSTD_TRAVIS_CI_ENV

 matrix:
-  fast_finish: true
+  fast_finish: true
--- a/contrib/cmake/CMakeLists.txt
+++ b/contrib/cmake/CMakeLists.txt
@ -32,7 +32,7 @@
 # ################################################################

 PROJECT(zstd)
-CMAKE_MINIMUM_REQUIRED(VERSION 2.8.11)
+CMAKE_MINIMUM_REQUIRED(VERSION 2.8.8)

 OPTION(ZSTD_LEGACY_SUPPORT "LEGACY SUPPORT" OFF)

@ -44,6 +44,15 @@ ELSE (ZSTD_LEGACY_SUPPORT)
    ADD_DEFINITIONS(-DZSTD_LEGACY_SUPPORT=0)
 ENDIF (ZSTD_LEGACY_SUPPORT)

+INCLUDE(CMakeModules/CompareVersion.cmake)
+COMPARE_VERSION_STRINGS("${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION}.${CMAKE_PATCH_VERSION}" "2.8.8" CMP_RESULT)
+
+IF ((CMP_RESULT LESS 0) OR (CMP_RESULT EQUAL 0))
+    SET(USE_DEPRECATED_CODE_STYLE TRUE)
+ELSE ()
+    SET(USE_DEPRECATED_CODE_STYLE FALSE)
+ENDIF ((CMP_RESULT LESS 0) OR (CMP_RESULT EQUAL 0))
+
 ADD_SUBDIRECTORY(lib)
 ADD_SUBDIRECTORY(programs)

--- a/contrib/cmake/CMakeModules/CompareVersion.cmake
+++ b/contrib/cmake/CMakeModules/CompareVersion.cmake
@ -0,0 +1,70 @@
+# Computes the realtionship between two version strings.  A version
+# string is a number delineated by '.'s such as 1.3.2 and 0.99.9.1.
+# You can feed version strings with different number of dot versions,
+# and the shorter version number will be padded with zeros: 9.2 <
+# 9.2.1 will actually compare 9.2.0 < 9.2.1.
+#
+# Input: a_in - value, not variable
+#        b_in - value, not variable
+#        result_out - variable with value:
+#                         -1 : a_in <  b_in
+#                          0 : a_in == b_in
+#                          1 : a_in >  b_in
+#
+# Written by James Bigler.
+MACRO(COMPARE_VERSION_STRINGS a_in b_in result_out)
+    # Since SEPARATE_ARGUMENTS using ' ' as the separation token,
+    # replace '.' with ' ' to allow easy tokenization of the string.
+    STRING(REPLACE "." " " a ${a_in})
+    STRING(REPLACE "." " " b ${b_in})
+    SEPARATE_ARGUMENTS(a)
+    SEPARATE_ARGUMENTS(b)
+
+    # Check the size of each list to see if they are equal.
+    LIST(LENGTH a a_length)
+    LIST(LENGTH b b_length)
+
+    # Pad the shorter list with zeros.
+
+    # Note that range needs to be one less than the length as the for
+    # loop is inclusive (silly CMake).
+    IF (a_length LESS b_length)
+        # a is shorter
+        SET(shorter a)
+        MATH(EXPR range "${b_length} - 1")
+        MATH(EXPR pad_range "${b_length} - ${a_length} - 1")
+    ELSE (a_length LESS b_length)
+        # b is shorter
+        SET(shorter b)
+        MATH(EXPR range "${a_length} - 1")
+        MATH(EXPR pad_range "${a_length} - ${b_length} - 1")
+    ENDIF (a_length LESS b_length)
+
+    # PAD out if we need to
+    IF (NOT pad_range LESS 0)
+        FOREACH (pad RANGE ${pad_range})
+            # Since shorter is an alias for b, we need to get to it by by dereferencing shorter.
+            LIST(APPEND ${shorter} 0)
+        ENDFOREACH (pad RANGE ${pad_range})
+    ENDIF (NOT pad_range LESS 0)
+
+    SET(result 0)
+    FOREACH (index RANGE ${range})
+        IF (result EQUAL 0)
+            # Only continue to compare things as long as they are equal
+            LIST(GET a ${index} a_version)
+            LIST(GET b ${index} b_version)
+            # LESS
+            IF (a_version LESS b_version)
+                SET(result -1)
+            ENDIF (a_version LESS b_version)
+            # GREATER
+            IF (a_version GREATER b_version)
+                SET(result 1)
+            ENDIF (a_version GREATER b_version)
+        ENDIF (result EQUAL 0)
+    ENDFOREACH (index)
+
+    # Copy out the return result
+    SET(${result_out} ${result})
+ENDMACRO(COMPARE_VERSION_STRINGS) 
--- a/contrib/cmake/lib/CMakeLists.txt
+++ b/contrib/cmake/lib/CMakeLists.txt
@ -31,9 +31,11 @@
 #  - Public forum : https://groups.google.com/forum/#!forum/lz4c
 # ################################################################

-if (POLICY CMP0021)
-    cmake_policy(SET CMP0021 OLD)
-endif ()
+IF (USE_DEPRECATED_CODE_STYLE)
+    IF (POLICY CMP0021)
+        cmake_policy(SET CMP0021 OLD)
+    ENDIF ()
+ENDIF (USE_DEPRECATED_CODE_STYLE)

 # Get library version based on information from input content (use regular exp)
 function(GetLibraryVersion _content _outputVar1 _outputVar2 _outputVar3)
@ -113,20 +115,16 @@ IF (MSVC)
    SET_TARGET_PROPERTIES(libzstd_shared PROPERTIES COMPILE_DEFINITIONS "ZSTD_DLL_EXPORT=1;ZSTD_HEAPMODE=0;_CONSOLE;_CRT_SECURE_NO_WARNINGS")
 ENDIF (MSVC)

-IF (${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION}.${CMAKE_PATCH_VERSION} LESS 2.8.11)
-    #CMake version less 2.8.11... Use workaround hacks!
-ELSE ()
+IF (NOT USE_DEPRECATED_CODE_STYLE)
    TARGET_INCLUDE_DIRECTORIES(libzstd_static PUBLIC ${LIBRARY_DIR})
    TARGET_INCLUDE_DIRECTORIES(libzstd_shared PUBLIC ${LIBRARY_DIR})
-ENDIF (${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION}.${CMAKE_PATCH_VERSION} LESS 2.8.11)
+ENDIF (NOT USE_DEPRECATED_CODE_STYLE)

 IF (ZSTD_LEGACY_SUPPORT)
-    IF (${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION}.${CMAKE_PATCH_VERSION} LESS 2.8.11)
-        #CMake version less 2.8.11... Use workaround hacks!
-    ELSE ()
+    IF (NOT USE_DEPRECATED_CODE_STYLE)
        TARGET_INCLUDE_DIRECTORIES(libzstd_static PUBLIC ${LIBRARY_LEGACY_DIR})
        TARGET_INCLUDE_DIRECTORIES(libzstd_shared PUBLIC ${LIBRARY_LEGACY_DIR})
-    ENDIF (${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION}.${CMAKE_PATCH_VERSION} LESS 2.8.11)
+    ENDIF (NOT USE_DEPRECATED_CODE_STYLE)
 ENDIF (ZSTD_LEGACY_SUPPORT)

 # Define library base name
--- a/contrib/cmake/programs/CMakeLists.txt
+++ b/contrib/cmake/programs/CMakeLists.txt
@ -42,21 +42,19 @@ SET(ROOT_DIR ../../..)
 SET(PROGRAMS_DIR ${ROOT_DIR}/programs)
 INCLUDE_DIRECTORIES(${PROGRAMS_DIR})

-IF (${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION}.${CMAKE_PATCH_VERSION} LESS 2.8.11)
-    #CMake version less 2.8.11... Use workaround hacks!
+IF (USE_DEPRECATED_CODE_STYLE)
    # Define library directory, where sources and header files are located
    SET(LIBRARY_DIR ${ROOT_DIR}/lib)
    INCLUDE_DIRECTORIES(${LIBRARY_DIR})
-ENDIF (${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION}.${CMAKE_PATCH_VERSION} LESS 2.8.11)
+ENDIF (USE_DEPRECATED_CODE_STYLE)

 IF (ZSTD_LEGACY_SUPPORT)
    SET(PROGRAMS_LEGACY_DIR ${PROGRAMS_DIR}/legacy)
    INCLUDE_DIRECTORIES(${PROGRAMS_LEGACY_DIR})

-    IF (${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION}.${CMAKE_PATCH_VERSION} LESS 2.8.11)
-        #CMake version less 2.8.11... Use workaround hacks!
+    IF (USE_DEPRECATED_CODE_STYLE)
        INCLUDE_DIRECTORIES(${LIBRARY_DIR}/legacy)
-    ENDIF (${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION}.${CMAKE_PATCH_VERSION} LESS 2.8.11)
+    ENDIF (USE_DEPRECATED_CODE_STYLE)

    SET(ZSTD_FILEIO_LEGACY ${PROGRAMS_LEGACY_DIR}/fileio_legacy.c)
 ENDIF (ZSTD_LEGACY_SUPPORT)