# HG changeset patch
# User Bryan Dunsmore <dunsmoreb@gmail.com>
# Date 1354398010 21600
# Node ID b12634f2e1b2eaaca8f3455b9166feba7d4ab824
# Parent  b97a17bf89ec943e118b95b65a7158b6f12af70d
Move noexecstack flags to Freepascal module and refactor.

diff -r b97a17bf89ec -r b12634f2e1b2 cmake_modules/FindFreepascal.cmake
--- a/cmake_modules/FindFreepascal.cmake	Fri Nov 30 23:08:10 2012 -0600
+++ b/cmake_modules/FindFreepascal.cmake	Sat Dec 01 15:40:10 2012 -0600
@@ -1,18 +1,34 @@
 # Load Freepascal
-IF (FPC)
-    SET(FPC_EXECUTABLE ${FPC})
-ELSE()
-    FIND_PROGRAM(FPC_EXECUTABLE
+if (FPC)
+    set(FPC_EXECUTABLE ${FPC})
+else()
+    find_program(FPC_EXECUTABLE
         NAMES fpc
         PATHS /opt/local/bin /usr/local/bin /usr/bin)
-ENDIF()
+endif()
 
 # Check Freepascal version
-IF (FPC_EXECUTABLE)
-    EXEC_PROGRAM(${FPC_EXECUTABLE} ARGS "-v" OUTPUT_VARIABLE FPC_VERSION_FULL)
+if (FPC_EXECUTABLE)
+    exec_program(${FPC_EXECUTABLE} ARGS "-v" OUTPUT_VARIABLE FPC_VERSION_FULL)
+
+    string(REGEX MATCH "[0-9]+\\.[0-9]+" FPC_VERSION_LONG "${FPC_VERSION_FULL}")
+    string(REGEX REPLACE "([0-9]+\\.[0-9]+)" "\\1" FPC_VERSION "${FPC_VERSION_LONG}")
+else()
+    message(FATAL_ERROR "Freepascal not found (required for hedgewars)")
+endif()
 
-    STRING(REGEX MATCH "[0-9]+\\.[0-9]+" FPC_VERSION_LONG "${FPC_VERSION_FULL}")
-    STRING(REGEX REPLACE "([0-9]+\\.[0-9]+)" "\\1" FPC_VERSION "${FPC_VERSION_LONG}")
-ELSE()
-    MESSAGE(FATAL_ERROR "Freepascal not found (required for hedgewars)")
-ENDIF()
+# Check for noexecstack flag support
+set(NOEXECSTACK_FLAGS "-k-z" "-knoexecstack")
+file(WRITE ${EXECUTABLE_OUTPUT_PATH}/checkstack.pas "begin end.")
+
+execute_process(COMMAND ${FPC_EXECUTABLE} ${NOEXECSTACK_FLAGS} checkstack.pas
+    WORKING_DIRECTORY ${EXECUTABLE_OUTPUT_PATH}
+    RESULT_VARIABLE TEST_NOEXECSTACK
+    OUTPUT_QUIET ERROR_QUIET)
+
+if (TEST_NOEXECSTACK)
+    set(NOEXECSTACK_FLAGS "")
+    message(STATUS "Checking whether linker supports noexecstack flag -- no")
+else()
+    message(STATUS "Checking whether linker supports noexecstack flag -- yes")
+endif()
diff -r b97a17bf89ec -r b12634f2e1b2 hedgewars/CMakeLists.txt
--- a/hedgewars/CMakeLists.txt	Fri Nov 30 23:08:10 2012 -0600
+++ b/hedgewars/CMakeLists.txt	Sat Dec 01 15:40:10 2012 -0600
@@ -11,7 +11,7 @@
 #SOURCE AND PROGRAMS SECTION
 set(hwengine_project ${hedgewars_SOURCE_DIR}/hedgewars/hwengine.pas)
 set(engine_output_name "hwengine")
-SET(REQUIRED_FPC_VERSION 2.2)
+set(required_fpc_version 2.2)
 
 set(engine_sources
     ${hwengine_project}
@@ -103,34 +103,20 @@
 
 
 # Check Freepascal version
-FIND_PACKAGE(Freepascal)
-
-IF (FPC_VERSION VERSION_GREATER REQUIRED_FPC_VERSION
-    OR FPC_VERSION VERSION_EQUAL REQUIRED_FPC_VERSION)
-    MESSAGE(STATUS "Found FPC: ${FPC_EXECUTABLE} (version ${FPC_VERSION})")
-ELSEIF (APPLE AND FPC_VERSION VERSION_LESS 2.6)
-    MESSAGE(FATAL_ERROR "Necessary FPC version not found (version >= 2.6 required)")
-ELSE()
-    MESSAGE(FATAL_ERROR "Necessary FPC version not found (version >= ${REQUIRED_FPC_VERSION} required)")
-ENDIF()
-
+find_package(Freepascal)
 
-message(STATUS "Checking whether linker supports noexecstack flag")
-set(noexecstack_flags "-k-z" "-knoexecstack")
-file(WRITE ${EXECUTABLE_OUTPUT_PATH}/checkstack.pas "begin end.")
+if (NOT APPLE)
+    if (FPC_VERSION VERSION_LESS required_fpc_version)
+        message(FATAL_ERROR "Necessary FPC version not found (version >= ${required_fpc_version} required)")
+    endif()
+elseif (APPLE)
+    if (FPC_VERSION VERSION_LESS 2.6)
+        message(FATAL_ERROR "Necessary FPC version not found (version >= 2.6 required)")
+    endif()
+endif()
 
-execute_process(COMMAND ${fpc_executable} ${noexecstack_flags} checkstack.pas
-    WORKING_DIRECTORY ${EXECUTABLE_OUTPUT_PATH}
-    RESULT_VARIABLE testnoexecstack
-    OUTPUT_QUIET ERROR_QUIET
-    )
+message(STATUS "Found FPC: ${FPC_EXECUTABLE} (version ${FPC_VERSION})")
 
-if(${testnoexecstack})
-    set (noexecstack_flags "")
-    message(STATUS "Checking whether linker supports noexecstack flag -- no")
-else(${testnoexecstack})
-    message(STATUS "Checking whether linker supports noexecstack flag -- yes")
-endif(${testnoexecstack})
 
 #DEPENDECIES AND EXECUTABLES SECTION
 if(APPLE)