[cmake] don't put date into config.h (not used anyway), only unset local vars for disabled features instead of clearing cache

From: Stefan Bühler <stbuehler@web.de>

git-svn-id: svn://svn.lighttpd.net/lighttpd/branches/lighttpd-1.4.x@3017 152afb58-edef-0310-8abb-c4023f1b3aa9

2 files changed, 37 insertions, 39 deletions

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 4af5b2e9..3c52d5d7 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -195,8 +195,8 @@ if(WITH_XATTR)
 		check_library_exists(attr attr_get "" HAVE_XATTR)
 	endif()
 else()
-	unset(HAVE_ATTR_ATTRIBUTES_H CACHE)
-	unset(HAVE_XATTR CACHE)
+	unset(HAVE_ATTR_ATTRIBUTES_H)
+	unset(HAVE_XATTR)
 endif()
 
 if(WITH_MYSQL)
@@ -209,8 +209,8 @@ if(WITH_MYSQL)
 		check_library_exists(mysqlclient mysql_real_connect "" HAVE_MYSQL)
 	endif()
 else()
-	unset(HAVE_MYSQL_H CACHE)
-	unset(HAVE_MYSQL CACHE)
+	unset(HAVE_MYSQL_H)
+	unset(HAVE_MYSQL)
 endif()
 
 if(WITH_OPENSSL)
@@ -223,9 +223,9 @@ if(WITH_OPENSSL)
 		endif()
 	endif()
 else()
-	unset(HAVE_OPENSSL_SSL_H CACHE)
-	unset(HAVE_LIBCRYPTO CACHE)
-	unset(HAVE_LIBSSL CACHE)
+	unset(HAVE_OPENSSL_SSL_H)
+	unset(HAVE_LIBCRYPTO)
+	unset(HAVE_LIBSSL)
 endif()
 
 if(WITH_PCRE)
@@ -277,8 +277,8 @@ if(WITH_PCRE)
 		message(FATAL_ERROR "libpcre couldn't be found")
 	endif()
 else()
-	unset(HAVE_PCRE_H CACHE)
-	unset(HAVE_LIBPCRE CACHE)
+	unset(HAVE_PCRE_H)
+	unset(HAVE_LIBPCRE)
 endif()
 
 
@@ -307,16 +307,16 @@ if(WITH_XML)
 		message(FATAL_ERROR "libxml2 couldn't be found")
 	endif()
 else()
-	unset(HAVE_LIBXML_H CACHE)
-	unset(HAVE_LIBXML CACHE)
+	unset(HAVE_LIBXML_H)
+	unset(HAVE_LIBXML)
 endif()
 
 if(WITH_SQLITE3)
 	check_include_files(sqlite3.h HAVE_SQLITE3_H)
 	check_library_exists(sqlite3 sqlite3_reset "" HAVE_SQLITE3)
 else()
-	unset(HAVE_SQLITE3_H CACHE)
-	unset(HAVE_SQLITE3 CACHE)
+	unset(HAVE_SQLITE3_H)
+	unset(HAVE_SQLITE3)
 endif()
 
 if(WITH_UUID)
@@ -328,9 +328,9 @@ if(WITH_UUID)
 		set(HAVE_LIBUUID 1)
 	endif()
 else()
-	unset(HAVE_UUID_UUID_H CACHE)
-	unset(NEED_LIBUUID CACHE)
-	unset(HAVE_LIBUUID CACHE)
+	unset(HAVE_UUID_UUID_H)
+	unset(NEED_LIBUUID)
+	unset(HAVE_LIBUUID)
 endif()
 
 if(WITH_ZLIB)
@@ -362,18 +362,18 @@ if(WITH_ZLIB)
 		endif()
 	endif()
 else()
-	unset(HAVE_ZLIB_H CACHE)
-	unset(HAVE_LIBZ CACHE)
-	unset(ZLIB_INCLUDE_DIR CACHE)
-	unset(ZLIB_LIBRARY CACHE)
+	unset(HAVE_ZLIB_H)
+	unset(HAVE_LIBZ)
+	unset(ZLIB_INCLUDE_DIR)
+	unset(ZLIB_LIBRARY)
 endif()
 
 if(WITH_BZIP)
 	check_include_files(bzlib.h HAVE_BZLIB_H)
 	check_library_exists(bz2 BZ2_bzCompress "" HAVE_LIBBZ2)
 else()
-	unset(HAVE_BZLIB_H CACHE)
-	unset(HAVE_LIBBZ2 CACHE)
+	unset(HAVE_BZLIB_H)
+	unset(HAVE_LIBBZ2)
 endif()
 
 if(WITH_LDAP)
@@ -383,10 +383,10 @@ if(WITH_LDAP)
 	check_library_exists(lber ber_printf "" HAVE_LIBLBER)
 	set(LDAP_DEPRECATED 1) # Using deprecated ldap api
 else()
-	unset(HAVE_LDAP_H CACHE)
-	unset(HAVE_LIBLDAP CACHE)
-	unset(HAVE_LBER_H CACHE)
-	unset(HAVE_LIBLBER CACHE)
+	unset(HAVE_LDAP_H)
+	unset(HAVE_LIBLDAP)
+	unset(HAVE_LBER_H)
+	unset(HAVE_LIBLBER)
 endif()
 
 if(WITH_LUA)
@@ -395,8 +395,8 @@ if(WITH_LUA)
 	set(HAVE_LIBLUA 1 "Have liblua")
 	set(HAVE_LUA_H  1 "Have liblua header")
 else()
-	unset(HAVE_LIBLUA CACHE)
-	unset(HAVE_LUA_H CACHE)
+	unset(HAVE_LIBLUA)
+	unset(HAVE_LUA_H)
 endif()
 
 if(WITH_FAM)
@@ -407,43 +407,42 @@ if(WITH_FAM)
 		check_function_exists(FAMNoExists HAVE_FAMNOEXISTS)
 	endif()
 else()
-	unset(HAVE_FAM_H CACHE)
-	unset(HAVE_LIBFAM CACHE)
-	unset(HAVE_FAMNOEXISTS CACHE)
+	unset(HAVE_FAM_H)
+	unset(HAVE_LIBFAM)
+	unset(HAVE_FAMNOEXISTS)
 endif()
 
 if(WITH_GDBM)
 	check_include_files(gdbm.h HAVE_GDBM_H)
 	check_library_exists(gdbm gdbm_open "" HAVE_GDBM)
 else()
-	unset(HAVE_GDBM_H CACHE)
-	unset(HAVE_GDBM CACHE)
+	unset(HAVE_GDBM_H)
+	unset(HAVE_GDBM)
 endif()
 
 if(WITH_MEMCACHE)
 	check_include_files(memcache.h HAVE_MEMCACHE_H)
 	check_library_exists(memcache mc_new "" HAVE_MEMCACHE)
 else()
-	unset(HAVE_MEMCACHE_H CACHE)
-	unset(HAVE_MEMCACHE CACHE)
+	unset(HAVE_MEMCACHE_H)
+	unset(HAVE_MEMCACHE)
 endif()
 
 if(NOT BUILD_STATIC)
 	check_include_files(dlfcn.h HAVE_DLFCN_H)
 else()
-	unset(HAVE_DLFCN_H CACHE)
+	unset(HAVE_DLFCN_H)
 endif()
 
 if(HAVE_DLFCN_H)
 	check_library_exists(dl dlopen "" HAVE_LIBDL)
 else()
-	unset(HAVE_LIBDL CACHE)
+	unset(HAVE_LIBDL)
 endif()
 
 set(LIGHTTPD_VERSION_ID 10400)
 set(PACKAGE_NAME "${CMAKE_PROJECT_NAME}")
 set(PACKAGE_VERSION "${CPACK_PACKAGE_VERSION}")
-exec_program(date ARGS "'+%b %d %Y %H:%M:%S UTC'" OUTPUT_VARIABLE PACKAGE_BUILD_DATE)
 
 if(NOT SBINDIR)
 	set(SBINDIR "sbin")
diff --git a/src/config.h.cmake b/src/config.h.cmake
index 8ec874ce..29d4ac26 100644
--- a/src/config.h.cmake
+++ b/src/config.h.cmake
@@ -6,7 +6,6 @@
 #define LIGHTTPD_VERSION_ID ${LIGHTTPD_VERSION_ID}
 #define PACKAGE_NAME "${PACKAGE_NAME}"
 #define PACKAGE_VERSION "${PACKAGE_VERSION}"
-#define PACKAGE_BUILD_DATE "${PACKAGE_BUILD_DATE}"
 #define LIBRARY_DIR "${LIGHTTPD_LIBRARY_DIR}"
 
 /* System */