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make the regex test more thorough

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it seems like the std::regex delivered up to gcc 4.8 has problems with
constructs such as ".+". (at least if they appear at the end of a
regex...)
This commit is contained in:
Andreas Lauser 2014-08-08 16:04:01 +02:00
parent a455f23799
commit 29bed1cfb4
1 changed files with 10 additions and 6 deletions
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16
cmake/Modules/FindCXX11Features.cmake
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@ -133,19 +133,23 @@ CHECK_CXX_SOURCE_RUNS("
#include <regex> #include <regex>
int main(void) int main(void)
{ {
std::regex r(\"AB.*|BC+\", std::regex::extended); std::regex r(\"AB.*|BC+|DE.+\", std::regex::extended);
if (!std::regex_match(\"AB\", r)) if (!std::regex_match(\"AB\", r))
return 1; return 1;
if (!std::regex_match(\"ABC\", r)) if (!std::regex_match(\"ABC\", r))
return 1; return 2;
if (!std::regex_match(\"ABC!#\", r)) if (!std::regex_match(\"ABC!#\", r))
return 1; return 3;
if (std::regex_match(\"B\", r)) if (std::regex_match(\"B\", r))
return 1; return 4;
if (!std::regex_match(\"BC\", r)) if (!std::regex_match(\"BC\", r))
return 1; return 5;
if (std::regex_match(\"BCE\", r)) if (std::regex_match(\"BCE\", r))
return 1; return 6;
if (std::regex_match(\"DE\", r))
return 7;
if (!std::regex_match(\"DEF\", r))
return 8;
return 0; return 0;
} }
" HAVE_REGEX " HAVE_REGEX