[Poppler-bugs] [Bug 71641] Fix warning on signed/unsigned comparison in GfxState.cc

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=71641

--- Comment #5 from Hib Eris <hib at hiberis.nl> ---
$ gcc --version
gcc (Ubuntu/Linaro 4.7.3-1ubuntu1) 4.7.3
Copyright (C) 2012 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.


>From my man page:

-Wall
           This enables all the warnings about constructions that some users
consider questionable, and that are easy to avoid (or modify to
           prevent the warning), even in conjunction with macros.  This also
enables some language-specific warnings described in C++
           Dialect Options and Objective-C and Objective-C++ Dialect Options.

           -Wall turns on the following warning flags:

           -Waddress -Warray-bounds (only with -O2) -Wc++11-compat
-Wchar-subscripts -Wenum-compare (in C/Objc; this is on by default in
           C++) -Wimplicit-int (C and Objective-C only)
-Wimplicit-function-declaration (C and Objective-C only) -Wcomment -Wformat
-Wmain
           (only for C/ObjC and unless -ffreestanding) -Wmaybe-uninitialized
-Wmissing-braces -Wnonnull -Wparentheses -Wpointer-sign
           -Wreorder -Wreturn-type -Wsequence-point -Wsign-compare (only in
C++) -Wstrict-aliasing -Wstrict-overflow=1 -Wswitch -Wtrigraphs
           -Wuninitialized -Wunknown-pragmas -Wunused-function -Wunused-label
-Wunused-value -Wunused-variable -Wvolatile-register-var

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