Make shared and static libraries optional

Now you can enable/disable compilation and installation targets for
shared and static libraries via -DCMARK_SHARED=ON/OFF and
-DCMARK_STATIC=ON/OFF

1 files changed, 48 insertions, 36 deletions

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 2a4dc9f..f52ded6 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -54,11 +54,6 @@ include_directories(. ${CMAKE_CURRENT_BINARY_DIR})
 configure_file(${CMAKE_CURRENT_SOURCE_DIR}/cmark_version.h.in
   ${CMAKE_CURRENT_BINARY_DIR}/cmark_version.h)
 
-configure_file(${CMAKE_CURRENT_SOURCE_DIR}/libcmark.pc.in
-  ${CMAKE_CURRENT_BINARY_DIR}/libcmark.pc @ONLY)
-install(FILES ${CMAKE_CURRENT_BINARY_DIR}/libcmark.pc
-  DESTINATION lib${LIB_SUFFIX}/pkgconfig)
-
 include (GenerateExportHeader)
 
 add_executable(${PROGRAM} ${PROGRAM_SOURCES})
@@ -82,58 +77,75 @@ elseif(CMAKE_COMPILER_IS_GNUCC OR ${CMAKE_C_COMPILER_ID} STREQUAL "Clang")
   set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fvisibility=hidden")
 endif ()
 
-add_library(${LIBRARY} SHARED ${LIBRARY_SOURCES})
-add_library(${STATICLIBRARY} STATIC ${LIBRARY_SOURCES})
-# Include minor version and patch level in soname for now.
-set_target_properties(${LIBRARY} PROPERTIES
-  OUTPUT_NAME "cmark"
-  SOVERSION ${PROJECT_VERSION_MAJOR}.${PROJECT_VERSION_MINOR}.${PROJECT_VERSION_PATCH}
-  VERSION ${PROJECT_VERSION})
-set_target_properties(${STATICLIBRARY} PROPERTIES
-  COMPILE_FLAGS -DCMARK_STATIC_DEFINE
-  POSITION_INDEPENDENT_CODE ON)
-
-if (MSVC)
-  set_target_properties(${STATICLIBRARY} PROPERTIES
-    OUTPUT_NAME "cmark_static"
-    VERSION ${PROJECT_VERSION})
-else()
-  set_target_properties(${STATICLIBRARY} PROPERTIES
+if (CMARK_SHARED)
+  add_library(${LIBRARY} SHARED ${LIBRARY_SOURCES})
+  # Include minor version and patch level in soname for now.
+  set_target_properties(${LIBRARY} PROPERTIES
     OUTPUT_NAME "cmark"
+    SOVERSION ${PROJECT_VERSION_MAJOR}.${PROJECT_VERSION_MINOR}.${PROJECT_VERSION_PATCH}
     VERSION ${PROJECT_VERSION})
-endif(MSVC)
 
-set_property(TARGET ${LIBRARY}
-  APPEND PROPERTY MACOSX_RPATH true)
+  set_property(TARGET ${LIBRARY}
+    APPEND PROPERTY MACOSX_RPATH true)
 
-# Avoid name clash between PROGRAM and LIBRARY pdb files.
-set_target_properties(${LIBRARY} PROPERTIES PDB_NAME cmark_dll)
+  # Avoid name clash between PROGRAM and LIBRARY pdb files.
+  set_target_properties(${LIBRARY} PROPERTIES PDB_NAME cmark_dll)
 
-generate_export_header(${LIBRARY}
+  generate_export_header(${LIBRARY}
     BASE_NAME ${PROJECT_NAME})
 
+  list(APPEND CMARK_INSTALL ${LIBRARY})
+endif()
+
+if (CMARK_STATIC)
+  add_library(${STATICLIBRARY} STATIC ${LIBRARY_SOURCES})
+  set_target_properties(${STATICLIBRARY} PROPERTIES
+    COMPILE_FLAGS -DCMARK_STATIC_DEFINE
+    POSITION_INDEPENDENT_CODE ON)
+
+  if (MSVC)
+    set_target_properties(${STATICLIBRARY} PROPERTIES
+      OUTPUT_NAME "cmark_static"
+      VERSION ${PROJECT_VERSION})
+  else()
+    set_target_properties(${STATICLIBRARY} PROPERTIES
+      OUTPUT_NAME "cmark"
+      VERSION ${PROJECT_VERSION})
+  endif(MSVC)
+
+  list(APPEND CMARK_INSTALL ${STATICLIBRARY})
+endif()
+
 if (MSVC)
   set_property(TARGET ${PROGRAM}
     APPEND PROPERTY LINK_FLAGS /INCREMENTAL:NO)
 endif(MSVC)
 
 set(CMAKE_INSTALL_SYSTEM_RUNTIME_LIBS_NO_WARNINGS ON)
+
 include (InstallRequiredSystemLibraries)
-install(TARGETS ${PROGRAM} ${LIBRARY} ${STATICLIBRARY}
+install(TARGETS ${PROGRAM} ${CMARK_INSTALL}
   EXPORT cmark
   RUNTIME DESTINATION bin
   LIBRARY DESTINATION lib${LIB_SUFFIX}
   ARCHIVE DESTINATION lib${LIB_SUFFIX}
   )
 
-install(FILES
-  cmark.h
-  ${CMAKE_CURRENT_BINARY_DIR}/cmark_export.h
-  ${CMAKE_CURRENT_BINARY_DIR}/cmark_version.h
-  DESTINATION include
-  )
+if(CMARK_SHARED OR CMARK_STATIC)
+  configure_file(${CMAKE_CURRENT_SOURCE_DIR}/libcmark.pc.in
+    ${CMAKE_CURRENT_BINARY_DIR}/libcmark.pc @ONLY)
+  install(FILES ${CMAKE_CURRENT_BINARY_DIR}/libcmark.pc
+    DESTINATION lib${LIB_SUFFIX}/pkgconfig)
 
-install(EXPORT cmark DESTINATION lib${LIB_SUFFIX}/cmake)
+  install(FILES
+    cmark.h
+    ${CMAKE_CURRENT_BINARY_DIR}/cmark_export.h
+    ${CMAKE_CURRENT_BINARY_DIR}/cmark_version.h
+    DESTINATION include
+    )
+
+  install(EXPORT cmark DESTINATION lib${LIB_SUFFIX}/cmake)
+endif()
 
 # Feature tests
 include(CheckIncludeFile)