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4 Commits

Author SHA1 Message Date
Stephen Kelly
ddec418a8f Features: Add compiler version support to WriteCompilerDetectionHeader. 2014-06-09 23:42:20 +02:00
Stephen Kelly
cda233194f Features: Record for Clang 3.4 
Clang 3.4 supports all features currently known to CMake.
 2014-05-20 16:03:48 +02:00
Stephen Kelly
e0890d03a4 Features: Extend concept to C language. 
Add properties and variables corresponding to CXX equivalents.

Add features for c_function_prototypes (C90), c_restrict (C99),
c_variadic_macros (C99) and c_static_assert (C11). This feature
set can be extended later.

Add a <PREFIX>_RESTRICT symbol define to WriteCompilerDetectionHeader
to conditionally represent the c_restrict feature.
 2014-05-15 00:15:18 +02:00
Stephen Kelly
62a4a67dc5 Add the WriteCompilerDetectionHeader module. 
Provide a function to write a portable header to detect compiler
features.  Generate a preprocessor #error for unknown compilers
and compiler versions whose features are not yet recorded.  This
error condition might be relaxed in the future, but for now it
is useful for verification of expectations.
 2014-05-14 13:57:30 -04:00