[Cmake-commits] CMake branch, next, updated. v2.8.10.2-2237-ga901685

Brad King brad.king at kitware.com
Wed Feb 20 08:04:40 EST 2013 

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The branch, next has been updated
       via  a901685e9e6ef6db8ba6a60b0e6faba98282f92b (commit)
       via  e83e6a1c8c572548b2a8ce1e54f4fd0f60f32a70 (commit)
      from  05f3537f1b4ae9c1f2008c6e9d412990f2b48ae0 (commit)

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- Log -----------------------------------------------------------------
http://cmake.org/gitweb?p=cmake.git;a=commitdiff;h=a901685e9e6ef6db8ba6a60b0e6faba98282f92b
commit a901685e9e6ef6db8ba6a60b0e6faba98282f92b
Merge: 05f3537 e83e6a1
Author:     Brad King <brad.king at kitware.com>
AuthorDate: Wed Feb 20 08:03:50 2013 -0500
Commit:     Brad King <brad.king at kitware.com>
CommitDate: Wed Feb 20 08:03:50 2013 -0500

    Merge branch 'compiler-change-cleanup' into next


http://cmake.org/gitweb?p=cmake.git;a=commitdiff;h=e83e6a1c8c572548b2a8ce1e54f4fd0f60f32a70
commit e83e6a1c8c572548b2a8ce1e54f4fd0f60f32a70
Author:     Brad King <brad.king at kitware.com>
AuthorDate: Mon Feb 18 10:35:53 2013 -0500
Commit:     Brad King <brad.king at kitware.com>
CommitDate: Wed Feb 20 08:01:06 2013 -0500

    Test Unix Makefiles generator support for changing compilers
    
    Add RunCMake.CompilerChange test to cover use of -DCMAKE_C_COMPILER=cc
    to change the compiler of an existing build tree.  Also test for proper
    failure with -DCMAKE_C_COMPILER="" and no CC in the environment.

diff --git a/Tests/RunCMake/CMakeLists.txt b/Tests/RunCMake/CMakeLists.txt
index 320ebcc..c55bb3a 100644
--- a/Tests/RunCMake/CMakeLists.txt
+++ b/Tests/RunCMake/CMakeLists.txt
@@ -52,6 +52,9 @@ if(XCODE_VERSION AND "${XCODE_VERSION}" VERSION_LESS 3)
 endif()
 
 add_RunCMake_test(CMP0019)
+if(UNIX AND "${CMAKE_TEST_GENERATOR}" MATCHES "Unix Makefiles")
+  add_RunCMake_test(CompilerChange)
+endif()
 add_RunCMake_test(ExternalData)
 add_RunCMake_test(GeneratorExpression)
 add_RunCMake_test(GeneratorToolset)
diff --git a/Tests/RunCMake/CompilerChange/CMakeLists.txt b/Tests/RunCMake/CompilerChange/CMakeLists.txt
new file mode 100644
index 0000000..3b92518
--- /dev/null
+++ b/Tests/RunCMake/CompilerChange/CMakeLists.txt
@@ -0,0 +1,6 @@
+cmake_minimum_required(VERSION 2.8)
+if(NOT RunCMake_TEST)
+  set(RunCMake_TEST "$ENV{RunCMake_TEST}") # needed when cache is deleted
+endif()
+project(${RunCMake_TEST} NONE)
+include(${RunCMake_TEST}.cmake)
diff --git a/Tests/RunCMake/CompilerChange/EmptyCompiler-result.txt b/Tests/RunCMake/CompilerChange/EmptyCompiler-result.txt
new file mode 100644
index 0000000..d00491f
--- /dev/null
+++ b/Tests/RunCMake/CompilerChange/EmptyCompiler-result.txt
@@ -0,0 +1 @@
+1
diff --git a/Tests/RunCMake/CompilerChange/EmptyCompiler-stderr.txt b/Tests/RunCMake/CompilerChange/EmptyCompiler-stderr.txt
new file mode 100644
index 0000000..4745b25
--- /dev/null
+++ b/Tests/RunCMake/CompilerChange/EmptyCompiler-stderr.txt
@@ -0,0 +1,5 @@
+You have changed variables that require your cache to be deleted.
+Configure will be re-run and you may have to reset some variables.
+The following variables have changed:
+CMAKE_C_COMPILER= *(
+|$)
diff --git a/Tests/RunCMake/CompilerChange/EmptyCompiler.cmake b/Tests/RunCMake/CompilerChange/EmptyCompiler.cmake
new file mode 100644
index 0000000..c87ec49
--- /dev/null
+++ b/Tests/RunCMake/CompilerChange/EmptyCompiler.cmake
@@ -0,0 +1,3 @@
+enable_language(C)
+message(STATUS "CMAKE_C_COMPILER is \"${CMAKE_C_COMPILER}\"")
+file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/cc.cmake" "set(CMAKE_C_COMPILER \"${CMAKE_C_COMPILER}\")\n")
diff --git a/Tests/RunCMake/CompilerChange/FindCompiler.cmake b/Tests/RunCMake/CompilerChange/FindCompiler.cmake
new file mode 100644
index 0000000..297ab2f
--- /dev/null
+++ b/Tests/RunCMake/CompilerChange/FindCompiler.cmake
@@ -0,0 +1,2 @@
+enable_language(C)
+file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/cc.cmake" "set(CMAKE_C_COMPILER \"${CMAKE_C_COMPILER}\")\n")
diff --git a/Tests/RunCMake/CompilerChange/FirstCompiler-stdout.txt b/Tests/RunCMake/CompilerChange/FirstCompiler-stdout.txt
new file mode 100644
index 0000000..17621b7
--- /dev/null
+++ b/Tests/RunCMake/CompilerChange/FirstCompiler-stdout.txt
@@ -0,0 +1 @@
+-- CMAKE_C_COMPILER is ".*/Tests/RunCMake/CompilerChange/cc1.sh"
diff --git a/Tests/RunCMake/CompilerChange/FirstCompiler.cmake b/Tests/RunCMake/CompilerChange/FirstCompiler.cmake
new file mode 100644
index 0000000..c87ec49
--- /dev/null
+++ b/Tests/RunCMake/CompilerChange/FirstCompiler.cmake
@@ -0,0 +1,3 @@
+enable_language(C)
+message(STATUS "CMAKE_C_COMPILER is \"${CMAKE_C_COMPILER}\"")
+file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/cc.cmake" "set(CMAKE_C_COMPILER \"${CMAKE_C_COMPILER}\")\n")
diff --git a/Tests/RunCMake/CompilerChange/RunCMakeTest.cmake b/Tests/RunCMake/CompilerChange/RunCMakeTest.cmake
new file mode 100644
index 0000000..d383716
--- /dev/null
+++ b/Tests/RunCMake/CompilerChange/RunCMakeTest.cmake
@@ -0,0 +1,58 @@
+include(RunCMake)
+
+# Detect the compiler in use in the current environment.
+run_cmake(FindCompiler)
+include(${RunCMake_BINARY_DIR}/FindCompiler-build/cc.cmake)
+if(NOT CMAKE_C_COMPILER)
+  message(FATAL_ERROR "FindCompiler provided no compiler!")
+endif()
+if(NOT IS_ABSOLUTE "${CMAKE_C_COMPILER}")
+  message(FATAL_ERROR "FindCompiler provided non-absolute path \"${CMAKE_C_COMPILER}\"!")
+endif()
+if(NOT EXISTS "${CMAKE_C_COMPILER}")
+  message(FATAL_ERROR "FindCompiler provided non-existing path \"${CMAKE_C_COMPILER}\"!")
+endif()
+
+# Now that we have the full compiler path, hide CC.
+unset(ENV{CC})
+
+# Wrap around the real compiler so we can change the compiler
+# path without changing the underlying compiler.
+set(ccIn ${RunCMake_SOURCE_DIR}/cc.sh.in)
+set(cc1 ${RunCMake_BINARY_DIR}/cc1.sh)
+set(cc2 ${RunCMake_BINARY_DIR}/cc2.sh)
+set(cc3 CMAKE_C_COMPILER-NOTFOUND)
+configure_file(${ccIn} ${cc1} @ONLY IMMEDIATE)
+configure_file(${ccIn} ${cc2} @ONLY IMMEDIATE)
+
+# Use a single build tree for remaining tests without cleaning.
+set(RunCMake_TEST_BINARY_DIR ${RunCMake_BINARY_DIR}/ChangeCompiler-build)
+set(RunCMake_TEST_NO_CLEAN 1)
+file(REMOVE_RECURSE "${RunCMake_TEST_BINARY_DIR}")
+
+# Check build with compiler wrapper 1.
+set(RunCMake_TEST_OPTIONS -DCMAKE_C_COMPILER=${cc1})
+set(ENV{RunCMake_TEST} "FirstCompiler")
+run_cmake(FirstCompiler)
+include(${RunCMake_TEST_BINARY_DIR}/cc.cmake)
+if(NOT "${CMAKE_C_COMPILER}" STREQUAL "${cc1}")
+  message(FATAL_ERROR "FirstCompiler built with compiler:\n  ${CMAKE_C_COMPILER}\nand not with:\n  ${cc1}")
+endif()
+
+# Check rebuild with compiler wrapper 2.
+set(RunCMake_TEST_OPTIONS -DCMAKE_C_COMPILER=${cc2})
+set(ENV{RunCMake_TEST} "SecondCompiler")
+run_cmake(SecondCompiler)
+include(${RunCMake_TEST_BINARY_DIR}/cc.cmake)
+if(NOT "${CMAKE_C_COMPILER}" STREQUAL "${cc2}")
+  message(FATAL_ERROR "SecondCompiler built with compiler:\n  ${CMAKE_C_COMPILER}\nand not with:\n  ${cc2}")
+endif()
+
+# Check failure with an empty compiler string.
+set(RunCMake_TEST_OPTIONS -DCMAKE_C_COMPILER=)
+set(ENV{RunCMake_TEST} "EmptyCompiler")
+run_cmake(EmptyCompiler)
+include(${RunCMake_TEST_BINARY_DIR}/cc.cmake)
+if(NOT "${CMAKE_C_COMPILER}" STREQUAL "${cc3}")
+  message(FATAL_ERROR "Empty built with compiler:\n  ${CMAKE_C_COMPILER}\nand not with:\n  ${cc3}")
+endif()
diff --git a/Tests/RunCMake/CompilerChange/SecondCompiler-stderr.txt b/Tests/RunCMake/CompilerChange/SecondCompiler-stderr.txt
new file mode 100644
index 0000000..3a01c53
--- /dev/null
+++ b/Tests/RunCMake/CompilerChange/SecondCompiler-stderr.txt
@@ -0,0 +1,4 @@
+You have changed variables that require your cache to be deleted.
+Configure will be re-run and you may have to reset some variables.
+The following variables have changed:
+CMAKE_C_COMPILER=.*/Tests/RunCMake/CompilerChange/cc2.sh
diff --git a/Tests/RunCMake/CompilerChange/SecondCompiler-stdout.txt b/Tests/RunCMake/CompilerChange/SecondCompiler-stdout.txt
new file mode 100644
index 0000000..26ca964
--- /dev/null
+++ b/Tests/RunCMake/CompilerChange/SecondCompiler-stdout.txt
@@ -0,0 +1 @@
+-- CMAKE_C_COMPILER is ".*/Tests/RunCMake/CompilerChange/cc2.sh"
diff --git a/Tests/RunCMake/CompilerChange/SecondCompiler.cmake b/Tests/RunCMake/CompilerChange/SecondCompiler.cmake
new file mode 100644
index 0000000..c87ec49
--- /dev/null
+++ b/Tests/RunCMake/CompilerChange/SecondCompiler.cmake
@@ -0,0 +1,3 @@
+enable_language(C)
+message(STATUS "CMAKE_C_COMPILER is \"${CMAKE_C_COMPILER}\"")
+file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/cc.cmake" "set(CMAKE_C_COMPILER \"${CMAKE_C_COMPILER}\")\n")
diff --git a/Tests/RunCMake/CompilerChange/cc.sh.in b/Tests/RunCMake/CompilerChange/cc.sh.in
new file mode 100755
index 0000000..1d400e6
--- /dev/null
+++ b/Tests/RunCMake/CompilerChange/cc.sh.in
@@ -0,0 +1,2 @@
+#!/bin/sh
+exec "@CMAKE_C_COMPILER@" "$@"

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