Add more CMake options

* BUILD_PROGRAMS
** INSTALL_MANPAGES
* INSTALL_PKGCONFIG_MODULES
* INSTALL_CMAKE_CONFIG_MODULE

4 files changed, 50 insertions, 37 deletions

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 560bb403..8c26b0b7 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -13,9 +13,13 @@ project(FLAC VERSION 1.3.3) # HOMEPAGE_URL "https://www.xiph.org/flac/")
 list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake")
 
 option(BUILD_CXXLIBS "Build libFLAC++" ON)
+option(BUILD_PROGRAMS "Build and install programs" ON)
 option(BUILD_EXAMPLES "Build and install examples" ON)
 option(BUILD_DOCS "Build and install doxygen documents" ON)
 option(WITH_STACK_PROTECTOR "Enable GNU GCC stack smash protection" ON)
+option(INSTALL_MANPAGES "Install MAN pages" ON)
+option(INSTALL_PKGCONFIG_MODULES "Install PkgConfig modules" ON)
+option(INSTALL_CMAKE_CONFIG_MODULE "Install CMake package-config module" ON)
 option(WITH_OGG "ogg support (default: test for libogg)" ON)
 
 if(WITH_OGG)
@@ -120,26 +124,30 @@ endif()
 
 configure_file(config.cmake.h.in config.h)
 
-install(
-    EXPORT targets
-    DESTINATION "${CMAKE_INSTALL_DATADIR}/${PROJECT_NAME}/cmake"
-    NAMESPACE FLAC::)
-
-configure_package_config_file(
-    flac-config.cmake.in flac-config.cmake
-    INSTALL_DESTINATION "${CMAKE_INSTALL_DATADIR}/${PROJECT_NAME}/cmake")
-write_basic_package_version_file(
-    flac-config-version.cmake COMPATIBILITY AnyNewerVersion)
-
-install(
-    FILES
-        "${CMAKE_CURRENT_BINARY_DIR}/flac-config.cmake"
-        "${CMAKE_CURRENT_BINARY_DIR}/flac-config-version.cmake"
-        "cmake/FindOGG.cmake"
-    DESTINATION "${CMAKE_INSTALL_DATADIR}/${PROJECT_NAME}/cmake")
+if(INSTALL_CMAKE_CONFIG_MODULE)
+    install(
+        EXPORT targets
+        DESTINATION "${CMAKE_INSTALL_DATADIR}/${PROJECT_NAME}/cmake"
+        NAMESPACE FLAC::)
+
+    configure_package_config_file(
+        flac-config.cmake.in flac-config.cmake
+        INSTALL_DESTINATION "${CMAKE_INSTALL_DATADIR}/${PROJECT_NAME}/cmake")
+    write_basic_package_version_file(
+        flac-config-version.cmake COMPATIBILITY AnyNewerVersion)
+
+    install(
+        FILES
+            "${CMAKE_CURRENT_BINARY_DIR}/flac-config.cmake"
+            "${CMAKE_CURRENT_BINARY_DIR}/flac-config-version.cmake"
+            "cmake/FindOGG.cmake"
+        DESTINATION "${CMAKE_INSTALL_DATADIR}/${PROJECT_NAME}/cmake")
+endif()
 
 file(GLOB FLAC_HEADERS "include/FLAC/*.h")
 file(GLOB FLAC++_HEADERS "include/FLAC++/*.h")
 install(FILES ${FLAC_HEADERS} DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}/FLAC")
 install(FILES ${FLAC++_HEADERS} DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}/FLAC++")
-install(FILES "man/flac.1" "man/metaflac.1" DESTINATION "${CMAKE_INSTALL_MANDIR}")
+if(INSTALL_MANPAGES)
+    install(FILES "man/flac.1" "man/metaflac.1" DESTINATION "${CMAKE_INSTALL_MANDIR}")
+endif()
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 1e8a5de4..5579fa88 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -8,8 +8,10 @@ if(BUILD_CXXLIBS)
     add_subdirectory("libFLAC++")
 endif()
 add_subdirectory("share")
-add_subdirectory("flac")
-add_subdirectory("metaflac")
+if(BUILD_PROGRAMS)
+    add_subdirectory("flac")
+    add_subdirectory("metaflac")
+endif()
 add_subdirectory("utils")
 
 if(WITH_XMMS)
diff --git a/src/libFLAC++/CMakeLists.txt b/src/libFLAC++/CMakeLists.txt
index 04b721f3..a4849d74 100644
--- a/src/libFLAC++/CMakeLists.txt
+++ b/src/libFLAC++/CMakeLists.txt
@@ -1,9 +1,3 @@
-set(prefix "${CMAKE_INSTALL_PREFIX}")
-set(exec_prefix "${CMAKE_INSTALL_PREFIX}")
-set(libdir "${CMAKE_INSTALL_FULL_LIBDIR}")
-set(includedir "${CMAKE_INSTALL_FULL_INCLUDEDIR}")
-configure_file(flac++.pc.in flac++.pc @ONLY)
-
 check_cxx_source_compiles("
     #ifdef __STDC_NO_VLA__
     syntax error;
@@ -45,5 +39,13 @@ install(TARGETS FLAC++ EXPORT targets
     ARCHIVE DESTINATION "${CMAKE_INSTALL_LIBDIR}/"
     LIBRARY DESTINATION "${CMAKE_INSTALL_LIBDIR}/"
     RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}/")
-install(FILES "${CMAKE_CURRENT_BINARY_DIR}/flac++.pc"
-    DESTINATION "${CMAKE_INSTALL_LIBDIR}/pkgconfig")
+
+if(INSTALL_PKGCONFIG_MODULES)
+    set(prefix "${CMAKE_INSTALL_PREFIX}")
+    set(exec_prefix "${CMAKE_INSTALL_PREFIX}")
+    set(libdir "${CMAKE_INSTALL_FULL_LIBDIR}")
+    set(includedir "${CMAKE_INSTALL_FULL_INCLUDEDIR}")
+    configure_file(flac++.pc.in flac++.pc @ONLY)
+    install(FILES "${CMAKE_CURRENT_BINARY_DIR}/flac++.pc"
+        DESTINATION "${CMAKE_INSTALL_DATAROOTDIR}/pkgconfig")
+endif()
diff --git a/src/libFLAC/CMakeLists.txt b/src/libFLAC/CMakeLists.txt
index 53a8a200..aac7f941 100644
--- a/src/libFLAC/CMakeLists.txt
+++ b/src/libFLAC/CMakeLists.txt
@@ -45,13 +45,6 @@ if(IA32)
     endif()
 endif()
 
-
-set(prefix "${CMAKE_INSTALL_PREFIX}")
-set(exec_prefix "${CMAKE_INSTALL_PREFIX}")
-set(libdir "${CMAKE_INSTALL_FULL_LIBDIR}")
-set(includedir "${CMAKE_INSTALL_FULL_INCLUDEDIR}")
-configure_file(flac.pc.in flac.pc @ONLY)
-
 include_directories("include")
 
 add_library(FLAC
@@ -120,5 +113,13 @@ install(TARGETS FLAC EXPORT targets
     ARCHIVE DESTINATION "${CMAKE_INSTALL_LIBDIR}/"
     LIBRARY DESTINATION "${CMAKE_INSTALL_LIBDIR}/"
     RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}/")
-install(FILES "${CMAKE_CURRENT_BINARY_DIR}/flac.pc"
-    DESTINATION "${CMAKE_INSTALL_LIBDIR}/pkgconfig")
+
+if(INSTALL_PKGCONFIG_MODULES)
+    set(prefix "${CMAKE_INSTALL_PREFIX}")
+    set(exec_prefix "${CMAKE_INSTALL_PREFIX}")
+    set(libdir "${CMAKE_INSTALL_FULL_LIBDIR}")
+    set(includedir "${CMAKE_INSTALL_FULL_INCLUDEDIR}")
+    configure_file(flac.pc.in flac.pc @ONLY)
+    install(FILES "${CMAKE_CURRENT_BINARY_DIR}/flac.pc"
+        DESTINATION "${CMAKE_INSTALL_DATADIR}/pkgconfig")
+endif()