Merge topic 'UsingCMakeLikePkgConfig2'

59238dc Fix --find-package mode on Cygwin, where enable_language(RC) is called
98472e4 Require the current cmake version in --find-package mode
a6ccf3c Use $(CXXFLAGS) and $(LDFLAGS) in the --find-package test Makefile
4386918 Fix line length
7d69310 Only enable the test when using GNU make
3011149 Make the test harder by always having a space in the include dirs
ab57ff6 Make the --find-package test harder
626fc71 Much improved test, should now be executed on all UNIXes
ec6982d Disable any STATUS output in --find-package mode
e552ae7 Dont check for -isysroot and -mmacosx-version on OSX in --find-package mode
e589589 Rename helper macros print_compile_flags() to set_compile_flags_var()
aecfc1f Fix test on OpenBSD with BSD make
6bb4ca3 The makefile for the test was kindof wrong
fd15b5e Only run the test if we are using a makefile generator under UNIX
9fc87c6 Add a test for the new --find-package mode
d3ae0ff Improve documentation for --find-package mode
bf07375 Add a cmake.m4 for using cmake in autoconf projects instead of pkgconfig
b0e3578 Use the file-utility to test for 64bit if there is no /usr/lib64
53edfb2 Better support for lib64 and Debian multiarch
b8fdaa1 Fix copyright notice in new CMakeFindPackageMode.cmake
7690edf Replace cmake::GetScriptMode() with GetWorkingMode()
e4f603b Implement find-package mode of cmake
a91d662 Add find-package mode, which does nothing yet
b976e70 Make clLocalGenerator::GetTargetFlags() public

1 files changed, 23 insertions, 8 deletions

diff --git a/Source/cmake.h b/Source/cmake.h
index 09f6c37..ae56e85 100644
--- a/Source/cmake.h
+++ b/Source/cmake.h
@@ -64,6 +64,25 @@ class cmake
     WARNING,
     LOG
   };
+
+
+  /** Describes the working modes of cmake.
+   * NORMAL_MODE: cmake runs to create project files
+   * SCRIPT_MODE: in script mode there is no generator and no cache. Also,
+   *              language are not enabled, so add_executable and things do
+   *              not do anything. Started by using -P
+   * FIND_PACKAGE_MODE: cmake runs in pkg-config like mode, i.e. it just
+   *              searches for a package and prints the results to stdout.
+   *              This is similar to SCRIPT_MODE, but commands like
+   *              add_library() work too, since they may be used e.g. in
+   *              exported target files. Started via --find-package
+   */
+  enum WorkingMode
+  {
+    NORMAL_MODE,
+    SCRIPT_MODE,
+    FIND_PACKAGE_MODE
+  };
   typedef std::map<cmStdString, cmCommand*> RegisteredCommandsMap;
 
   ///! construct an instance of cmake
@@ -274,13 +293,8 @@ class cmake
   ///! Do all the checks before running configure
   int DoPreConfigureChecks();
 
-  /**
-   * Set and get the script mode option. In script mode there is no
-   * generator and no cache. Also, language are not enabled, so
-   * add_executable and things do not do anything.
-   */
-  void SetScriptMode(bool mode) { this->ScriptMode = mode; }
-  bool GetScriptMode() { return this->ScriptMode; }
+  void SetWorkingMode(WorkingMode mode) { this->CurrentWorkingMode = mode; }
+  WorkingMode GetWorkingMode() { return this->CurrentWorkingMode; }
 
   ///! Debug the try compile stuff by not delelting the files
   bool GetDebugTryCompile(){return this->DebugTryCompile;}
@@ -409,6 +423,7 @@ protected:
 
   ///! read in a cmake list file to initialize the cache
   void ReadListFile(const std::vector<std::string>& args, const char *path);
+  bool FindPackage(const std::vector<std::string>& args);
 
   ///! Check if CMAKE_CACHEFILE_DIR is set. If it is not, delete the log file.
   ///  If it is set, truncate it to 50kb
@@ -462,7 +477,7 @@ private:
   void* ProgressCallbackClientData;
   bool Verbose;
   bool InTryCompile;
-  bool ScriptMode;
+  WorkingMode CurrentWorkingMode;
   bool DebugOutput;
   bool Trace;
   bool WarnUninitialized;