Vladimír Čunát 30845d07d8 pcre: separate variants of the library
- don't include the cxx variant in the default build,
  as it depends on libstdc++ (and it seems rarely used anyway)
- allow building pcre16 and pcre32 variants;
  pcre16 is the one needed by qt*, I think
- share the basic libs with all of the variants
2015-10-28 11:50:06 +01:00
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