Hi all,
I am currently trying to build fun things (OSG 3.0.1 and Qt 4.8.2) using
MinGW-w64 GCC 4.5.1. It's not easy to find this specific version (it's
required by a downstream Army project and I can't change that) but I managed to
get some zips from TDM. I'm running into a weird issue though, the Qt build
is failing with the error
"e:\mingw\bin\../lib/gcc/x86_64-w64-mingw32/4.5.1/include/float.h:241:24: fatal
error: float.h: No such file or directory" This same error was also
reproducible in a simple hello world program that did nothing but #include
<float.h>. Any ideas what went wrong? Hopefully I'm not spamming you with a
known issue but I couldn't find anything useful on this.
cpp -Wp,-v gives me this setup (which looks right to me):ignoring nonexistent
directory
"e:\mingw\bin\../lib/gcc/x86_64-w64-mingw32/4.5.1/../../../../x86_64-w64-mingw32/include"ignoring
nonexistent directory "c:/crossdev/prefix-tdm64/include"ignoring nonexistent
directory "/crossdev/prefix-tdm64/include"ignoring duplicate directory
"e:/mingw/lib/gcc/../../lib/gcc/x86_64-w64-mingw32/4.5.1/include"ignoring
duplicate directory
"e:/mingw/lib/gcc/../../lib/gcc/x86_64-w64-mingw32/4.5.1/include-fixed"ignoring
nonexistent directory
"e:/mingw/lib/gcc/../../lib/gcc/x86_64-w64-mingw32/4.5.1/../../../../x86_64-w64-mingw32/include"ignoring
duplicate directory "/mingw/include"#include "..." search starts here:#include
<...> search starts here:
e:\mingw\bin\../lib/gcc/x86_64-w64-mingw32/4.5.1/../../../../include
e:\mingw\bin\../lib/gcc/x86_64-w64-mingw32/4.5.1/include
e:\mingw\bin\../lib/gcc/x86_64-w64-mingw32/4.5.1/include-fixedEnd of search
list.
I'm currently testing out rubenvb's GCC 4.5.3 build as a sanity check - are
there any compatibility issues with calling code generated by 4.5.3 from code
generated by 4.5.1? In Linux this is typically safe as long as it's the same
minor version, but I don't know how MinGW link compatibility goes. If that
works I can probably ship binaries compiled with 4.5.3 and just not mention it
to downstream.
Thanks,Gregory Peele, Jr.
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