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WCDH: Ensure that the prefix argument to the macro is valid.

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The prefix must be a C-identifier because it is written as the
prefix of preprocessor macros and possibly structs.
This commit is contained in:
Stephen Kelly
2014-06-13 11:39:47 +02:00
parent 477b07213a
commit b47c125ff7
8 changed files with 42 additions and 0 deletions
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8
Modules/WriteCompilerDetectionHeader.cmake
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@@ -235,6 +235,14 @@ function(write_compiler_detection_header
message(FATAL_ERROR "Unparsed arguments: ${_WCD_UNPARSED_ARGUMENTS}")
endif()
if (prefix_arg STREQUAL "")
message(FATAL_ERROR "A prefix must be specified")
endif()
string(MAKE_C_IDENTIFIER ${prefix_arg} cleaned_prefix)
if (NOT prefix_arg STREQUAL cleaned_prefix)
message(FATAL_ERROR "The prefix must be a valid C identifier.")
endif()
if(NOT _WCD_VERSION)
set(_WCD_VERSION ${CMAKE_MINIMUM_REQUIRED_VERSION})
endif()