From 0317a2b61df03bcf8e3e72af1c0aa960c6bbf4d1 Mon Sep 17 00:00:00 2001
From: Enno Rehling <enno.rehling@gmail.com>
Date: Sun, 12 May 2013 14:51:54 -0700
Subject: [PATCH] begin using autoconf features in cmake

---
 CMakeLists.txt          | 11 +++++++++++
 config.h.in             |  3 +++
 core/src/CMakeLists.txt |  2 +-
 core/src/util/bool.h    |  1 +
 4 files changed, 16 insertions(+), 1 deletion(-)
 create mode 100644 config.h.in

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 40a939452..55808a6a2 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -3,6 +3,17 @@ project (arda-server C)
 
 enable_testing()
 
+INCLUDE (CheckIncludeFiles)
+INCLUDE (CheckSymbolExists)
+CHECK_INCLUDE_FILES (stdbool.h HAVE_STDBOOL_H)
+CHECK_SYMBOL_EXISTS (_Bool "stdbool.h" HAVE__BOOL)
+CHECK_INCLUDE_FILES (strings.h HAVE_STRINGS_H)
+
+CONFIGURE_FILE (
+    ${CMAKE_CURRENT_SOURCE_DIR}/config.h.in
+    ${CMAKE_BINARY_DIR}/include/config.h)
+INCLUDE_DIRECTORIES (${CMAKE_BINARY_DIR}/include)
+
 find_package (Lua 5 REQUIRED)
 find_package (ToLua REQUIRED)
 find_package (LibXml2 REQUIRED)
diff --git a/config.h.in b/config.h.in
new file mode 100644
index 000000000..e9eb4afb9
--- /dev/null
+++ b/config.h.in
@@ -0,0 +1,3 @@
+#cmakedefine HAVE_STDBOOL_H 1
+#cmakedefine HAVE__BOOL 1
+#cmakedefine HAVE_STRINGS_H 1
diff --git a/core/src/CMakeLists.txt b/core/src/CMakeLists.txt
index ff81026a1..98373e8f1 100755
--- a/core/src/CMakeLists.txt
+++ b/core/src/CMakeLists.txt
@@ -3,7 +3,7 @@ project (eressea C)
 
 IF(CMAKE_COMPILER_IS_GNUCC)
     SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -pedantic -Wall -Werror -Wno-unknown-pragmas -Wstrict-prototypes -Wpointer-arith -Wno-char-subscripts -Wno-long-long")
-    SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=c99 -DHAVE__BOOL")
+    SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=c99")
 ENDIF(CMAKE_COMPILER_IS_GNUCC)
 
 set (ERESSEA_LIBRARY ${PROJECT_NAME} CACHE INTERNAL "Eressea Core Library")
diff --git a/core/src/util/bool.h b/core/src/util/bool.h
index 0bdebc9ec..6da28be80 100644
--- a/core/src/util/bool.h
+++ b/core/src/util/bool.h
@@ -1,3 +1,4 @@
+#include <config.h>
 #if HAVE_STDBOOL_H
 # include <stdbool.h>
 #else