Re: [Mingw-users] Linking against msvcr100.a

[Eli Z. <el...@gn...>]

> Date: Fri, 19 Oct 2012 22:35:56 -0300
> From: Cristiano Sumariva <sum...@gm...>
> 
> gcc -D__MSVCRT_VERSION=0x0800 -Wall -Wmissing-prototypes -Wpointer-arith
> -Wdeclaration-after-statement -Wendif-labels -Wmissing-format-attribute
> -Wformat-security -fno-strict-aliasing -fwrapv -fexcess-precision=standard
> zic.o ialloc.o scheck.o localtime.o -L../../src/port
> -Wl,--allow-multiple-definition  -Wl,--as-needed   -lpgport -lintl -lz -lm
> -lws2_32 -lshfolder -o zic.exe
> g:/mingw/bin/../lib/gcc/mingw32/4.7.0/../../../libmingwex.a(dirent.o):
> dirent.c:(.text+0x249): undefined reference to `__findnext'
> g:/mingw/bin/../lib/gcc/mingw32/4.7.0/../../../libmingwex.a(dirent.o):
> dirent.c:(.text+0x2a2): undefined reference to `__findfirst'
> 
> I looked for symbols on the libraries msvcrt.a and msvcr100.a
> 
> nm /mingw/lib/libmsvcrt.a | grep __findnext
> 0000000 T __findnexti64
> 0000000 I __imp___findnexti64
> 0000000 T __findnext64
> 0000000 I __imp___findnext64
> 0000000 T __findnext
> 0000000 I __imp___findnext
> 
> nm /mingw/lib/libmsvcr100.a | grep __findnext
> 0000000 T __findnext64i32
> 0000000 I __imp___findnext64i32
> 0000000 T __findnext64
> 0000000 I __imp___findnext64
> 0000000 T __findnext32i64
> 0000000 I __imp___findnext32i64
> 0000000 T __findnext32
> 0000000 I __imp___findnext32
> 
> Should be a missing preprocessor macro to translate the __findnext call to
> __findnext32?

Try adding it to some header that is included by all the code that
calls _findfirst/_findnext.  You should probably add the same for
_findnext and a similar macro for 'struct _finddata'.  These macros
should be conditioned on __MSVCRT_VERSION__'s value.