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[Gm2] make failure on cygwin (strsignal)

From: Chris Lilley
Subject: [Gm2] make failure on cygwin (strsignal)
Date: Sat, 2 Apr 2011 00:23:34 +0200

Hello ,

I attempted to install the stable release of gm2 in my cygwin
environment (previously I had been using gm2 under Kubuntu linux, with
precompiled binaries and apt-get install; here I was compiling from

configure went ok (some warnings about zlib and other libraries,
although those warnings did not seem to get logged anywhere) and make
worked fine for some hours :) then halted because flex was required
and not present.

Added flex (and bison, in case) and generally updated cygwin to the
latest versions of everything.

Second attempt worked fine for some time then halted on conflicting
types for strsignal.

Not sure what to do next, if some dependency is missing or what. Here
is the end of the console output:

/home/Chris/gcc-4.1.2+gm2-20101211/build/./gcc/xgcc -B/home/Chris/gcc-4.1.2+gm2-
20101211/build/./gcc/ -B/gm2/opt/i686-pc-cygwin/bin/ -B/gm2/opt/i686-pc-cygwin/l
ib/ -isystem /gm2/opt/i686-pc-cygwin/include -isystem /gm2/opt/i686-pc-cygwin/sy
s-include -c -DHAVE_CONFIG_H -O2 -g -O2   -I. -I../../../libiberty/../include  -
W -Wall -pedantic -Wwrite-strings -Wstrict-prototypes ../../../libiberty/strsign
al.c -o strsignal.o
../../../libiberty/strsignal.c:409: error: conflicting types for `strsignal'
/usr/include/string.h:93: error: previous declaration of `strsignal' was here
../../../libiberty/strsignal.c: In function `psignal':
../../../libiberty/strsignal.c:558: warning: comparison between signed and unsig
make[2]: *** [strsignal.o] Error 1
make[2]: Leaving directory `/home/Chris/gcc-4.1.2+gm2-20101211/build/i686-pc-cyg
make[1]: *** [all-target-libiberty] Error 2
make[1]: Leaving directory `/home/Chris/gcc-4.1.2+gm2-20101211/build'
make: *** [all] Error 2

Here is the version of gcc installed:

$ gcc -v
Using built-in specs.
Target: i686-pc-cygwin
Configured with: /gnu/gcc/releases/respins/4.3.4-4/gcc4-4.3.4-4/src/gcc-4.3.4/co
nfigure --srcdir=/gnu/gcc/releases/respins/4.3.4-4/gcc4-4.3.4-4/src/gcc-4.3.4 --
prefix=/usr --exec-prefix=/usr --bindir=/usr/bin --sbindir=/usr/sbin --libexecdi
r=/usr/lib --datadir=/usr/share --localstatedir=/var --sysconfdir=/etc --infodir
=/usr/share/info --mandir=/usr/share/man -C --datadir=/usr/share --infodir=/usr/
share/info --mandir=/usr/share/man -v --with-gmp=/usr --with-mpfr=/usr --enable-
bootstrap --enable-version-specific-runtime-libs --with-slibdir=/usr/bin --libex
ecdir=/usr/lib --enable-static --enable-shared --enable-shared-libgcc --disable-
__cxa_atexit --with-gnu-ld --with-gnu-as --with-dwarf2 --disable-sjlj-exceptions
 --enable-languages=ada,c,c++,fortran,java,objc,obj-c++ --disable-symvers --enab
le-libjava --program-suffix=-4 --enable-libgomp --enable-libssp --enable-libada
--enable-threads=posix --with-arch=i686 --with-tune=generic --enable-libgcj-subl
GET=gnatmake GNATBIND_FOR_TARGET=gnatbind --with-ecj-jar=/usr/share/java/ecj.jar

Thread model: posix
gcc version 4.3.4 20090804 (release) 1 (GCC)

 Chris Lilley   Technical Director, Interaction Domain                 
 W3C Graphics Activity Lead, Fonts Activity Lead
 Co-Chair, W3C Hypertext CG
 Member, CSS, WebFonts, SVG Working Groups

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