CMake Package

Using CMake Package

FIND_PACKAGE(CME)
IF(CME_FOUND)
  INCLUDE(${CME_USE_FILE})
  # ... Use library ...
ENDIF(CME_FOUND)

Setup CMake Package

#-----------------------------------------------------------------------------
# CMEConfig.cmake - CME CMake configuration file for external projects.
#
# This file is configured by CME and used by the UseCME.cmake module
# to load CME's settings for an external project.

# The CME include file directories.
SET(CME_INCLUDE_DIRS "@CMAKE_INSTALL_PREFIX@/include")

# The CME library directories.
SET(CME_LIBRARY_DIRS "@CMAKE_INSTALL_PREFIX@/lib")

# The CME version number.
SET(CME_VERSION_MAJOR "@CME_VERSION_MAJOR@")
SET(CME_VERSION_MINOR "@CME_VERSION_MINOR@")

# The location of the UseCME.cmake file.
SET(CME_USE_FILE "@CMAKE_INSTALL_PREFIX@/lib/cme/UseCME.cmake")

# The build settings file.
SET(CME_BUILD_SETTINGS_FILE
    "@CMAKE_INSTALL_PREFIX@/lib/cme/CMEBuildSettings.cmake")

# The CME library dependencies.  These can be blocked by projects
# not interested in linking to CME's library.
IF(NOT CME_NO_LIBRARY_DEPENDS)
  INCLUDE("@CMAKE_INSTALL_PREFIX@/lib/cme/CMELibraryDepends.cmake")
ENDIF(NOT CME_NO_LIBRARY_DEPENDS)

# Additional project-specific configuration settings can be set here.

#-----------------------------------------------------------------------------
# CMakeLists.txt

# Example project "CMake Export".
PROJECT(CME)

# Every project should have a version number.
SET(CME_VERSION_MAJOR 1)
SET(CME_VERSION_MINOR 0)

# Example library.
ADD_LIBRARY(cme cme.cxx)

# Link to libm on unix for sqrt().  This is to demonstrate library
# dependency chaining.
IF(UNIX)
  TARGET_LINK_LIBRARIES(cme m)
ENDIF(UNIX)

# Create the CMEConfig.cmake file for installation.
CONFIGURE_FILE(${CME_SOURCE_DIR}/CMEConfig.cmake.in
               ${CME_BINARY_DIR}/CMEConfig.cmake @ONLY IMMEIDATE)

# Save the compiler settings and library dependencies so another
# project can import them.
INCLUDE(${CMAKE_ROOT}/Modules/CMakeExportBuildSettings.cmake)
CMAKE_EXPORT_BUILD_SETTINGS(${CME_BINARY_DIR}/CMEBuildSettings.cmake)
EXPORT_LIBRARY_DEPENDENCIES(${CME_BINARY_DIR}/CMELibraryDepends.cmake)

# Install targets.  Make sure the paths configured into
# CMEConfig.cmake match.
INSTALL_TARGETS(/lib cme)
INSTALL_FILES(/include .h cme)
INSTALL_FILES(/lib/cme .cmake CMEBuildSettings CMELibraryDepends
              UseCME CMEConfig)

#-----------------------------------------------------------------------------
# UseCME.cmake
#
# This module is provided as CME_USE_FILE by CMEConfig.cmake.  It can
# be INCLUDEd in a project to load the needed compiler and linker
# settings to use CME.
#

# Load the compiler settings used for CME.
IF(CME_BUILD_SETTINGS_FILE)
  INCLUDE(${CMAKE_ROOT}/Modules/CMakeImportBuildSettings.cmake)
  CMAKE_IMPORT_BUILD_SETTINGS(${CME_BUILD_SETTINGS_FILE})
ENDIF(CME_BUILD_SETTINGS_FILE)

# Add include directories needed to use CME.
INCLUDE_DIRECTORIES(${CME_INCLUDE_DIRS})

# Add link directories needed to use CME.
LINK_DIRECTORIES(${CME_LIBRARY_DIRS})

/*--------------------------------------------------------------------------*/
/* cme.cxx */
#include <math.h>
double cme()
{
  return sqrt(2);
}

/*--------------------------------------------------------------------------*/
/* cme.h */
#ifndef _cme_h
#define _cme_h

extern double cme();

#endif

Reference

• http://public.kitware.com/pipermail/cmake/2003-March/003554.html