Add config.h.in which produces the config.h on CMake configure.

webcc/CMakeLists.txt

@@ -5,6 +5,11 @@ if(MSVC)
     add_definitions(-D_CRT_SECURE_NO_WARNINGS)
 endif()
 
+configure_file(
+    "${CMAKE_CURRENT_SOURCE_DIR}/config.h.in"
+    "${CMAKE_CURRENT_BINARY_DIR}/config.h"
+    )
+
 # Adhere to GNU filesystem layout conventions.
 include(GNUInstallDirs)
 
@@ -102,10 +107,8 @@ set(TARGET webcc)
 
 add_library(${TARGET} STATIC ${HEADERS} ${SOURCES})
 
-if(WEBCC_ENABLE_INSTALL)
-    # Install lib and header files.
-    # On Linux, if CMAKE_INSTALL_PREFIX is ~, the lib (libwebcc.a) will be installed
-    # to ~/lib and header files will be installed to ~/include.
-    install(TARGETS ${TARGET} ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR})
-    install(FILES ${HEADERS} DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/webcc)
-endif()
+# Install lib and header files.
+# On Linux, if CMAKE_INSTALL_PREFIX is ~, the lib (libwebcc.a) will be installed
+# to ~/lib and header files will be installed to ~/include.
+install(TARGETS ${TARGET} ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR})
+install(FILES ${HEADERS} DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/webcc)