Added more warning options; added build instructions to README.

git-svn-id: svn://svn.lighttpd.net/spawn-fcgi/trunk@23 4a9f3682-ca7b-49a8-9a55-ba4640e46f83

CMakeLists.txt

@@ -11,6 +11,7 @@ SET(CMAKE_MAN_DIR "share/man" CACHE STRING
   "Install location for man pages (relative to prefix).")
 MARK_AS_ADVANCED(CMAKE_MAN_DIR)
 
+# Set Default build type to RelWithDebInfo
 IF("${CMAKE_BUILD_TYPE}" STREQUAL "")
 	SET(CMAKE_BUILD_TYPE RelWithDebInfo CACHE STRING "Choose the type of build, options are: None(CMAKE_CXX_FLAGS or CMAKE_C_FLAGS used) Debug Release RelWithDebInfo MinSizeRel." FORCE)
 ENDIF("${CMAKE_BUILD_TYPE}" STREQUAL "")

README

@@ -11,3 +11,26 @@ spawn-fcgi
 Features
 --------
 - binds to IPv4 and unix sockets
+
+
+Build
+=====
+
+If ./configure is missing, run ./autogen.sh.
+
+  ./configure
+  make
+  make install
+
+Alternatively you can use the cmake build system (may not work
+on every platform):
+
+  cmake .
+  make
+  make install
+
+
+Usage
+=====
+
+See man page.

configure.ac

@@ -37,5 +37,22 @@ AC_FUNC_SELECT_ARGTYPES
 AC_FUNC_STAT
 AC_CHECK_FUNCS([dup2 memset putenv select socket strerror strtol])
 
+# check for extra compiler options (warning options)
+if test "${GCC}" = "yes"; then
+    CFLAGS="${CFLAGS} -Wall -W -Wshadow -pedantic -std=gnu99"
+fi
+
+AC_ARG_ENABLE(extra-warnings,
+ AC_HELP_STRING([--enable-extra-warnings],[enable extra warnings (gcc specific)]),
+ [case "${enableval}" in
+   yes) extrawarnings=true ;;
+    no) extrawarnings=false ;;
+     *) AC_MSG_ERROR(bad value ${enableval} for --enable-extra-warnings) ;;
+  esac],[extrawarnings=false])
+
+if test x$extrawarnings = xtrue; then
+    CFLAGS="${CFLAGS} -g -O2 -g2 -Wall -Wmissing-declarations -Wdeclaration-after-statement -Wno-pointer-sign -Wcast-align -Winline -Wsign-compare -Wnested-externs -Wpointer-arith -Wl,--as-needed -Wformat-security"
+fi
+
 AC_CONFIG_FILES([Makefile src/Makefile])
 AC_OUTPUT

src/CMakeLists.txt

@@ -9,7 +9,7 @@ IF(CMAKE_COMPILER_IS_GNUCC)
 	OPTION(BUILD_EXTRA_WARNINGS "extra warnings")
 
 	IF(BUILD_EXTRA_WARNINGS)
-		SET(WARN_FLAGS "-g -O2 -g2 -Wall -Wmissing-declarations -Wdeclaration-after-statement -Wno-pointer-sign -Wcast-align -Winline -Wsign-compare -Wnested-externs -Wpointer-arith -Wl,--as-needed")
+		SET(WARN_FLAGS "-g -O2 -g2 -Wall -Wmissing-declarations -Wdeclaration-after-statement -Wno-pointer-sign -Wcast-align -Winline -Wsign-compare -Wnested-externs -Wpointer-arith -Wl,--as-needed -Wformat-security")
 		# -Werror -Wbad-function-cast -Wmissing-prototypes
 	ELSE(BUILD_EXTRA_WARNINGS)
 		SET(WARN_FLAGS "")