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authorAllen Winter <allen.winter@kdab.com>2011-06-30 17:36:45 -0400
committerAllen Winter <allen.winter@kdab.com>2011-06-30 17:36:45 -0400
commitd2b2c90a06bf1f4a21df196430d1f95856900410 (patch)
treeaba9d2a48d7b2ac1e960e1b68218394524c7e6a8 /attic/modules/CheckPointerMember.cmake
parente15ffacc69242c89107afbfda6f8ece9f2b56633 (diff)
downloadextra-cmake-modules-d2b2c90a06bf1f4a21df196430d1f95856900410.tar.gz
extra-cmake-modules-d2b2c90a06bf1f4a21df196430d1f95856900410.tar.bz2
Move the modules, modules-test and systeminfo subdirs into 'attic'
Diffstat (limited to 'attic/modules/CheckPointerMember.cmake')
-rw-r--r--attic/modules/CheckPointerMember.cmake42
1 files changed, 42 insertions, 0 deletions
diff --git a/attic/modules/CheckPointerMember.cmake b/attic/modules/CheckPointerMember.cmake
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+# - Check if the given struct or class has the specified member variable
+# CHECK_POINTER_MEMBER (POINTER MEMBER HEADER VARIABLE)
+#
+# POINTER - the name of the struct or class you are interested in
+# MEMBER - the member which existence you want to check
+# HEADER - the header(s) where the prototype should be declared
+# VARIABLE - variable to store the result
+#
+# The following variables may be set before calling this macro to
+# modify the way the check is run:
+#
+# CMAKE_REQUIRED_FLAGS = string of compile command line flags
+# CMAKE_REQUIRED_DEFINITIONS = list of macros to define (-DFOO=bar)
+# CMAKE_REQUIRED_INCLUDES = list of include directories
+
+# Copyright (c) 2006, Alexander Neundorf, <neundorf@kde.org>
+#
+# Redistribution and use is allowed according to the terms of the BSD license.
+# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
+
+
+INCLUDE(CheckCXXSourceCompiles)
+
+MACRO (CHECK_POINTER_MEMBER _STRUCT _MEMBER _HEADER _RESULT)
+ SET(_INCLUDE_FILES)
+ FOREACH (it ${_HEADER})
+ SET(_INCLUDE_FILES "${_INCLUDE_FILES}#include <${it}>\n")
+ ENDFOREACH (it)
+
+ SET(_CHECK_POINTER_MEMBER_SOURCE_CODE "
+${_INCLUDE_FILES}
+int main()
+{
+ ${_STRUCT} tmp;
+ tmp->${_MEMBER};
+ return 0;
+}
+")
+ CHECK_CXX_SOURCE_COMPILES("${_CHECK_POINTER_MEMBER_SOURCE_CODE}" ${_RESULT})
+
+ENDMACRO (CHECK_POINTER_MEMBER)
+