From e5e68c652407d22c40e8a1f1fe3e3f14cc0afb42 Mon Sep 17 00:00:00 2001 From: Dimitri Stolnikov Date: Wed, 25 Apr 2012 22:36:56 +0200 Subject: [PATCH] compile with warnings enabled --- CMakeLists.txt | 6 +++++- configure.ac | 8 ++++++++ 2 files changed, 13 insertions(+), 1 deletion(-) diff --git a/CMakeLists.txt b/CMakeLists.txt index d255a8a..b358c2d 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -36,7 +36,11 @@ list(APPEND CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR}/cmake/Modules) ######################################################################## # Compiler specific setup ######################################################################## -if(CMAKE_COMPILER_IS_GNUCXX AND NOT WIN32) +if(CMAKE_COMPILER_IS_GNUCC AND NOT WIN32) + ADD_DEFINITIONS(-Wall) + ADD_DEFINITIONS(-Wextra) + ADD_DEFINITIONS(-Wno-unused) + ADD_DEFINITIONS(-Wsign-compare) #http://gcc.gnu.org/wiki/Visibility add_definitions(-fvisibility=hidden) endif() diff --git a/configure.ac b/configure.ac index 7f524aa..3af474a 100644 --- a/configure.ac +++ b/configure.ac @@ -38,6 +38,14 @@ AC_COMPILE_IFELSE([AC_LANG_SOURCE([char foo;])], CFLAGS="$saved_CFLAGS" AC_SUBST(SYMBOL_VISIBILITY) +AC_MSG_CHECKING(whether compiler understands -Wall) +old_CFLAGS="$CFLAGS" +CFLAGS="$CFLAGS -Wall -Wextra -Wno-unused -Wsign-compare" +AC_TRY_COMPILE([],[], + AC_MSG_RESULT(yes), + AC_MSG_RESULT(no) + CFLAGS="$old_CFLAGS") + dnl Generate the output AM_CONFIG_HEADER(config.h)