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When I compile the gamei386.so for quake2 with Redhat 6.0's egcs, the binary I get crashes quake2. But if I compile it with the gcc rpm from redhat 5.2 it works fine. Joe
You're mixing glibc-2.0.x compiled binaries with a glibc-2.1 shared library. The usual failure mode is that some glibc-2.0.x binary compiles in stdin/stdout/stderr statically. Since certain data structures have changed between glibc-2.0.x and glibc-2.1.x, you will get a segfault.
I've been having this problem too, so I thought I'd try using the compat packages (compat-egcs-5.2-1.0.3a.1, compat-glibc-5.2-2.0.7.1 & compat-binutils-5.2-2.9.1.0.23.1) to compile a glibc-2.0.x gamei386.so like the one that is distributed with QuakeII. This doesn't work. I've read the white paper (http://www.redhat.com/knowledgebase/glibccompat) and as much information as I can on the subject, but to no avail. I'm posting an excerpt from my Makefile in case this is the problem: ------- Makefile ------- env PATH="/usr/i386-glibc20-linux/bin:$PATH" env LD_LIBRARY_PATH="/usr/i386-glibc20-linux/lib" ARCH=i386 CC=i386-glibc20-linux-gcc BASE_CFLAGS=-Dstricmp=strcasecmp -DC_ONLY \ # -nostdinc \ # -I/usr/i386-glibc20-linux/include \ # -I/usr/lib/gcc-lib/i386-glibc20-linux/egcs-2.90.29/include \ # -B/usr/i386-glibc20-linux/bin/ CFLAGS=$(BASE_CFLAGS) LDFLAGS=-ldl -lm SHLIBEXT=so SHLIBCFLAGS=-fPIC SHLIBLDFLAGS=-shared \ # -nostdlib \ # -L/usr/i386-glibc20-linux/lib DO_CC=$(CC) $(CFLAGS) $(SHLIBCFLAGS) -o $@ -c $< game$(ARCH).$(SHLIBEXT) : $(GAME_OBJS) $(CC) $(CFLAGS) $(SHLIBLDFLAGS) -o $@ $(GAME_OBJS) ------------------------ The commented out lines are various hacks I've tried. Only when I use them, does ldd report that gamei386.so is "statically linked" as it does with the distributed binary. Otherwise, "ldd gamei386.so" returns: /lib/libNoVersion.so.1 => /lib/libNoVersion.so.1 (0x400a4000) libc.so.6 => /lib/libc.so.6 (0x400aa000) /lib/ld-linux.so.2 => /lib/ld-linux.so.2 (0x2aaaa000) Also, /usr/i386-glibc20-linux/bin/wrapper contains a reference to the non-existent directory /usr/i386-glibc20/lib. I would report this, but the compat packages don't seem to be in Bugzilla. Robert.