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Protect gcc diagnostic pragmas with gcc version

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Versions prior to 4.6 didn't allow gcc diagnostic pragmas with push
and pop and to appear anywhere in the file.  Just let the warning be
there for those versions.
This commit is contained in:
Jay Berkenbilt 2013-03-27 17:36:28 -04:00
parent e8ddac8950
commit 8e636ea680
1 changed files with 4 additions and 0 deletions
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4
libqpdf/Pl_Flate.cc
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@ -77,8 +77,10 @@ Pl_Flate::handleData(unsigned char* data, int len, int flush)
// deflateInit and inflateInit are macros that use old-style
// casts.
#ifdef __GNUC__
# if ((__GNUC__ * 100) + __GNUC_MINOR__) >= 406
# pragma GCC diagnostic push
# pragma GCC diagnostic ignored "-Wold-style-cast"
# endif
#endif
if (this->action == a_deflate)
{
@ -89,7 +91,9 @@ Pl_Flate::handleData(unsigned char* data, int len, int flush)
err = inflateInit(&zstream);
}
#ifdef __GNUC__
# if ((__GNUC__ * 100) + __GNUC_MINOR__) >= 406
# pragma GCC diagnostic pop
# endif
#endif
checkError("Init", err);