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Re: Nmap/Lua Compilation Woes
From: David Fifield <david () bamsoftware com>
Date: Tue, 27 May 2008 10:21:49 -0600

On Tue, May 27, 2008 at 05:12:20PM +0200, Lionel Cons wrote:
Lionel Cons writes:
 > Linux (Red Hat Enterprise 4 derivative). But, since the library
 > loading also does not work (anymore), I guess the OS detection went
 > bad. I will continue to investigate...

Here is more information. Nmap 4.62 (tarball) compiles fine. The SVN
version (revision 7703) compiles badly.

Nmap 4.62:

$ grep 'Compiling liblua' Makefile.in 
        @echo Compiling liblua; cd $(LIBLUADIR) && $(MAKE) liblua.a @LUAFLAGS@
$ make
[...]
make[1]: Entering directory `/tmp/nmap-4.62/liblua'
gcc -O2 -Wall -g -O2 -DLUA_USE_POSIX -DLUA_USE_DLOPEN   -c -o lapi.o lapi.c

SVN revision 7703:

$ grep 'Compiling liblua' Makefile.in 
        @echo Compiling liblua; cd $(LIBLUADIR) && $(MAKE) liblua.a CC="$(CC)" MYCFLAGS="$(CFLAGS) @LUA_CFLAGS@"
$ make
[...]
make[1]: Entering directory `/tmp/svn/liblua'
gcc -O2 -Wall -g -O2 -Wall  -fno-strict-aliasing   -DHAVE_CONFIG_H -DNMAP_NAME="Nmap" -DNMAP_URL="http://nmap.org"; 
-DNMAP_PLATFORM="i686-pc-linux-gnu" -DNMAPDATADIR="/usr/local/share/nmap" -DNMAPLIBEXECDIR="/usr/local/libexec/nmap"  
  -c -o lapi.o lapi.c

So the SVN version somehow does not set the LUA_CFLAGS properly. A
problem with the configure script?

Thanks for investigating. This is my fault. I introduced the error in
r7553, when I was attempting to pass the normal CFLAGS to liblua in
order to build a universal Mac binary. This should be fixed in r7704.
You were right, the error was in the configure script.

David Fifield

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