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-rw-r--r--Utilities/cmlibarchive/build/cmake/CheckStructMember.cmake43
1 files changed, 43 insertions, 0 deletions
diff --git a/Utilities/cmlibarchive/build/cmake/CheckStructMember.cmake b/Utilities/cmlibarchive/build/cmake/CheckStructMember.cmake
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+++ b/Utilities/cmlibarchive/build/cmake/CheckStructMember.cmake
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+# - Check if the given struct or class has the specified member variable
+# CHECK_STRUCT_MEMBER (STRUCT MEMBER HEADER VARIABLE)
+#
+# STRUCT - 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(CheckCSourceCompiles)
+
+MACRO (CHECK_STRUCT_MEMBER _STRUCT _MEMBER _HEADER _RESULT)
+ SET(_INCLUDE_FILES)
+ FOREACH (it ${_HEADER})
+ SET(_INCLUDE_FILES "${_INCLUDE_FILES}#include <${it}>\n")
+ ENDFOREACH (it)
+
+ SET(_CHECK_STRUCT_MEMBER_SOURCE_CODE "
+${_INCLUDE_FILES}
+int main()
+{
+ static ${_STRUCT} tmp;
+ if (sizeof(tmp.${_MEMBER}))
+ return 0;
+ return 0;
+}
+")
+ CHECK_C_SOURCE_COMPILES("${_CHECK_STRUCT_MEMBER_SOURCE_CODE}" ${_RESULT})
+
+ENDMACRO (CHECK_STRUCT_MEMBER)
+