On one of my machines, running Fedora 10, I'm having trouble with configure in branch. Here's the error:

checking how to run the C preprocessor... /lib/cpp
configure: error: in `/home/rgheck/cvs/lyx-pristine':
configure: error: C preprocessor "/lib/cpp" fails sanity check
See `config.log' for more details.

I'm attaching the config.log, in case anyone can help me out here.

The thing I don't understand is that the files about whose existence it seems to be complaining do seem to exist.

rh
This file contains any messages produced by compilers while
running configure, to aid debugging if configure makes a mistake.

It was created by LyX configure 1.6.3svn, which was
generated by GNU Autoconf 2.63.  Invocation command line was

  $ ./configure --enable-build-type=rel

## --------- ##
## Platform. ##
## --------- ##

hostname = eeepc-1000
uname -m = i686
uname -r = 2.6.27.15-170.2.24.fc10.i686
uname -s = Linux
uname -v = #1 SMP Wed Feb 11 23:58:12 EST 2009

/usr/bin/uname -p = unknown
/bin/uname -X     = unknown

/bin/arch              = i686
/usr/bin/arch -k       = unknown
/usr/convex/getsysinfo = unknown
/usr/bin/hostinfo      = unknown
/bin/machine           = unknown
/usr/bin/oslevel       = unknown
/bin/universe          = unknown

PATH: /usr/lib/qt-3.3/bin
PATH: /usr/kerberos/bin
PATH: /usr/lib/ccache
PATH: /usr/local/bin
PATH: /usr/bin
PATH: /bin
PATH: /usr/local/sbin
PATH: /usr/sbin
PATH: /sbin
PATH: /home/rgheck/bin
PATH: /home/rgheck/bin/porno


## ----------- ##
## Core tests. ##
## ----------- ##

configure:2327: checking for build type
configure:2350: result: release
configure:2362: checking for version suffix
configure:2379: result: 
configure:2389: checking build system type
configure:2407: result: i686-pc-linux-gnulibc1
configure:2429: checking host system type
configure:2444: result: i686-pc-linux-gnulibc1
configure:2466: checking target system type
configure:2481: result: i686-pc-linux-gnulibc1
configure:2509: checking what packaging should be used
configure:2524: result: posix
configure:2592: checking whether to enable maintainer-specific portions of 
Makefiles
configure:2601: result: no
configure:2632: checking for a BSD-compatible install
configure:2700: result: /usr/bin/install -c
configure:2711: checking whether build environment is sane
configure:2754: result: yes
configure:2779: checking for a thread-safe mkdir -p
configure:2818: result: /bin/mkdir -p
configure:2831: checking for gawk
configure:2847: found /usr/bin/gawk
configure:2858: result: gawk
configure:2869: checking whether make sets $(MAKE)
configure:2891: result: yes
configure:3108: checking for a Python interpreter with version >= 2.3.4
configure:3123: python -c import sys, string # split strings by '.' and convert 
to numeric. Append some zeros # because we need at least 4 digits for the hex 
conversion. minver = map(int, string.split('2.3.4', '.')) + [0, 0, 0] minverhex 
= 0 for i in xrange(0, 4): minverhex = (minverhex << 8) + minver[i] 
sys.exit(sys.hexversion < minverhex)
configure:3126: $? = 0
configure:3133: result: python
configure:3141: checking for python
configure:3159: found /usr/bin/python
configure:3171: result: /usr/bin/python
configure:3189: checking for python version
configure:3196: result: 2.5
configure:3208: checking for python platform
configure:3215: result: linux2
configure:3222: checking for python script directory
configure:3230: result: ${prefix}/lib/python2.5/site-packages
configure:3239: checking for python extension module directory
configure:3247: result: ${exec_prefix}/lib/python2.5/site-packages
configure:3316: checking for gcc
configure:3332: found /usr/lib/ccache/gcc
configure:3343: result: gcc
configure:3575: checking for C compiler version
configure:3583: gcc --version >&5
gcc (GCC) 4.3.2 20081105 (Red Hat 4.3.2-7)
Copyright (C) 2008 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

configure:3587: $? = 0
configure:3594: gcc -v >&5
Using built-in specs.
Target: i386-redhat-linux
Configured with: ../configure --prefix=/usr --mandir=/usr/share/man 
--infodir=/usr/share/info --with-bugurl=http://bugzilla.redhat.com/bugzilla 
--enable-bootstrap --enable-shared --enable-threads=posix 
--enable-checking=release --with-system-zlib --enable-__cxa_atexit 
--disable-libunwind-exceptions 
--enable-languages=c,c++,objc,obj-c++,java,fortran,ada --enable-java-awt=gtk 
--disable-dssi --enable-plugin 
--with-java-home=/usr/lib/jvm/java-1.5.0-gcj-1.5.0.0/jre 
--enable-libgcj-multifile --enable-java-maintainer-mode 
--with-ecj-jar=/usr/share/java/eclipse-ecj.jar --disable-libjava-multilib 
--with-cpu=generic --build=i386-redhat-linux
Thread model: posix
gcc version 4.3.2 20081105 (Red Hat 4.3.2-7) (GCC) 
configure:3598: $? = 0
configure:3605: gcc -V >&5
gcc: '-V' option must have argument
configure:3609: $? = 1
configure:3632: checking for C compiler default output file name
configure:3654: gcc    conftest.c  >&5
configure:3658: $? = 0
configure:3696: result: a.out
configure:3715: checking whether the C compiler works
configure:3725: ./a.out
configure:3729: $? = 0
configure:3748: result: yes
configure:3755: checking whether we are cross compiling
configure:3757: result: no
configure:3760: checking for suffix of executables
configure:3767: gcc -o conftest    conftest.c  >&5
configure:3771: $? = 0
configure:3797: result: 
configure:3803: checking for suffix of object files
configure:3829: gcc -c   conftest.c >&5
configure:3833: $? = 0
configure:3858: result: o
configure:3862: checking whether we are using the GNU C compiler
configure:3891: gcc -c   conftest.c >&5
configure:3898: $? = 0
configure:3915: result: yes
configure:3924: checking whether gcc accepts -g
configure:3954: gcc -c -g  conftest.c >&5
configure:3961: $? = 0
configure:4062: result: yes
configure:4079: checking for gcc option to accept ISO C89
configure:4153: gcc  -c -g -O2  conftest.c >&5
conftest.c:11:19: error: stdio.h: No such file or directory
conftest.c:12:23: error: sys/types.h: No such file or directory
conftest.c:13:22: error: sys/stat.h: No such file or directory
conftest.c:16: error: expected '=', ',', ';', 'asm' or '__attribute__' before 
'*' token
conftest.c:50: error: expected declaration specifiers or '...' before 'FILE'
configure:4160: $? = 1
configure: failed program was:
| /* confdefs.h.  */
| #define PACKAGE_NAME "LyX"
| #define PACKAGE_TARNAME "lyx"
| #define PACKAGE_VERSION "1.6.3svn"
| #define PACKAGE_STRING "LyX 1.6.3svn"
| #define PACKAGE_BUGREPORT "lyx-devel@lists.lyx.org"
| #define USE_POSIX_PACKAGING 1
| #define PACKAGE "lyx"
| /* end confdefs.h.  */
| #include <stdarg.h>
| #include <stdio.h>
| #include <sys/types.h>
| #include <sys/stat.h>
| /* Most of the following tests are stolen from RCS 5.7's src/conf.sh.  */
| struct buf { int x; };
| FILE * (*rcsopen) (struct buf *, struct stat *, int);
| static char *e (p, i)
|      char **p;
|      int i;
| {
|   return p[i];
| }
| static char *f (char * (*g) (char **, int), char **p, ...)
| {
|   char *s;
|   va_list v;
|   va_start (v,p);
|   s = g (p, va_arg (v,int));
|   va_end (v);
|   return s;
| }
| 
| /* OSF 4.0 Compaq cc is some sort of almost-ANSI by default.  It has
|    function prototypes and stuff, but not '\xHH' hex character constants.
|    These don't provoke an error unfortunately, instead are silently treated
|    as 'x'.  The following induces an error, until -std is added to get
|    proper ANSI mode.  Curiously '\x00'!='x' always comes out true, for an
|    array size at least.  It's necessary to write '\x00'==0 to get something
|    that's true only with -std.  */
| int osf4_cc_array ['\x00' == 0 ? 1 : -1];
| 
| /* IBM C 6 for AIX is almost-ANSI by default, but it replaces macro parameters
|    inside strings and character constants.  */
| #define FOO(x) 'x'
| int xlc6_cc_array[FOO(a) == 'x' ? 1 : -1];
| 
| int test (int i, double x);
| struct s1 {int (*f) (int a);};
| struct s2 {int (*f) (double a);};
| int pairnames (int, char **, FILE *(*)(struct buf *, struct stat *, int), 
int, int);
| int argc;
| char **argv;
| int
| main ()
| {
| return f (e, argv, 0) != argv[0]  ||  f (e, argv, 1) != argv[1];
|   ;
|   return 0;
| }
configure:4153: gcc -qlanglvl=extc89 -c -g -O2  conftest.c >&5
gcc: unrecognized option '-qlanglvl=extc89'
conftest.c:11:19: error: stdio.h: No such file or directory
conftest.c:12:23: error: sys/types.h: No such file or directory
conftest.c:13:22: error: sys/stat.h: No such file or directory
conftest.c:16: error: expected '=', ',', ';', 'asm' or '__attribute__' before 
'*' token
conftest.c:50: error: expected declaration specifiers or '...' before 'FILE'
configure:4160: $? = 1
configure: failed program was:
| /* confdefs.h.  */
| #define PACKAGE_NAME "LyX"
| #define PACKAGE_TARNAME "lyx"
| #define PACKAGE_VERSION "1.6.3svn"
| #define PACKAGE_STRING "LyX 1.6.3svn"
| #define PACKAGE_BUGREPORT "lyx-devel@lists.lyx.org"
| #define USE_POSIX_PACKAGING 1
| #define PACKAGE "lyx"
| /* end confdefs.h.  */
| #include <stdarg.h>
| #include <stdio.h>
| #include <sys/types.h>
| #include <sys/stat.h>
| /* Most of the following tests are stolen from RCS 5.7's src/conf.sh.  */
| struct buf { int x; };
| FILE * (*rcsopen) (struct buf *, struct stat *, int);
| static char *e (p, i)
|      char **p;
|      int i;
| {
|   return p[i];
| }
| static char *f (char * (*g) (char **, int), char **p, ...)
| {
|   char *s;
|   va_list v;
|   va_start (v,p);
|   s = g (p, va_arg (v,int));
|   va_end (v);
|   return s;
| }
| 
| /* OSF 4.0 Compaq cc is some sort of almost-ANSI by default.  It has
|    function prototypes and stuff, but not '\xHH' hex character constants.
|    These don't provoke an error unfortunately, instead are silently treated
|    as 'x'.  The following induces an error, until -std is added to get
|    proper ANSI mode.  Curiously '\x00'!='x' always comes out true, for an
|    array size at least.  It's necessary to write '\x00'==0 to get something
|    that's true only with -std.  */
| int osf4_cc_array ['\x00' == 0 ? 1 : -1];
| 
| /* IBM C 6 for AIX is almost-ANSI by default, but it replaces macro parameters
|    inside strings and character constants.  */
| #define FOO(x) 'x'
| int xlc6_cc_array[FOO(a) == 'x' ? 1 : -1];
| 
| int test (int i, double x);
| struct s1 {int (*f) (int a);};
| struct s2 {int (*f) (double a);};
| int pairnames (int, char **, FILE *(*)(struct buf *, struct stat *, int), 
int, int);
| int argc;
| char **argv;
| int
| main ()
| {
| return f (e, argv, 0) != argv[0]  ||  f (e, argv, 1) != argv[1];
|   ;
|   return 0;
| }
configure:4153: gcc -qlanglvl=ansi -c -g -O2  conftest.c >&5
gcc: unrecognized option '-qlanglvl=ansi'
conftest.c:11:19: error: stdio.h: No such file or directory
conftest.c:12:23: error: sys/types.h: No such file or directory
conftest.c:13:22: error: sys/stat.h: No such file or directory
conftest.c:16: error: expected '=', ',', ';', 'asm' or '__attribute__' before 
'*' token
conftest.c:50: error: expected declaration specifiers or '...' before 'FILE'
configure:4160: $? = 1
configure: failed program was:
| /* confdefs.h.  */
| #define PACKAGE_NAME "LyX"
| #define PACKAGE_TARNAME "lyx"
| #define PACKAGE_VERSION "1.6.3svn"
| #define PACKAGE_STRING "LyX 1.6.3svn"
| #define PACKAGE_BUGREPORT "lyx-devel@lists.lyx.org"
| #define USE_POSIX_PACKAGING 1
| #define PACKAGE "lyx"
| /* end confdefs.h.  */
| #include <stdarg.h>
| #include <stdio.h>
| #include <sys/types.h>
| #include <sys/stat.h>
| /* Most of the following tests are stolen from RCS 5.7's src/conf.sh.  */
| struct buf { int x; };
| FILE * (*rcsopen) (struct buf *, struct stat *, int);
| static char *e (p, i)
|      char **p;
|      int i;
| {
|   return p[i];
| }
| static char *f (char * (*g) (char **, int), char **p, ...)
| {
|   char *s;
|   va_list v;
|   va_start (v,p);
|   s = g (p, va_arg (v,int));
|   va_end (v);
|   return s;
| }
| 
| /* OSF 4.0 Compaq cc is some sort of almost-ANSI by default.  It has
|    function prototypes and stuff, but not '\xHH' hex character constants.
|    These don't provoke an error unfortunately, instead are silently treated
|    as 'x'.  The following induces an error, until -std is added to get
|    proper ANSI mode.  Curiously '\x00'!='x' always comes out true, for an
|    array size at least.  It's necessary to write '\x00'==0 to get something
|    that's true only with -std.  */
| int osf4_cc_array ['\x00' == 0 ? 1 : -1];
| 
| /* IBM C 6 for AIX is almost-ANSI by default, but it replaces macro parameters
|    inside strings and character constants.  */
| #define FOO(x) 'x'
| int xlc6_cc_array[FOO(a) == 'x' ? 1 : -1];
| 
| int test (int i, double x);
| struct s1 {int (*f) (int a);};
| struct s2 {int (*f) (double a);};
| int pairnames (int, char **, FILE *(*)(struct buf *, struct stat *, int), 
int, int);
| int argc;
| char **argv;
| int
| main ()
| {
| return f (e, argv, 0) != argv[0]  ||  f (e, argv, 1) != argv[1];
|   ;
|   return 0;
| }
configure:4153: gcc -std -c -g -O2  conftest.c >&5
cc1: error: unrecognized command line option "-std"
configure:4160: $? = 1
configure: failed program was:
| /* confdefs.h.  */
| #define PACKAGE_NAME "LyX"
| #define PACKAGE_TARNAME "lyx"
| #define PACKAGE_VERSION "1.6.3svn"
| #define PACKAGE_STRING "LyX 1.6.3svn"
| #define PACKAGE_BUGREPORT "lyx-devel@lists.lyx.org"
| #define USE_POSIX_PACKAGING 1
| #define PACKAGE "lyx"
| /* end confdefs.h.  */
| #include <stdarg.h>
| #include <stdio.h>
| #include <sys/types.h>
| #include <sys/stat.h>
| /* Most of the following tests are stolen from RCS 5.7's src/conf.sh.  */
| struct buf { int x; };
| FILE * (*rcsopen) (struct buf *, struct stat *, int);
| static char *e (p, i)
|      char **p;
|      int i;
| {
|   return p[i];
| }
| static char *f (char * (*g) (char **, int), char **p, ...)
| {
|   char *s;
|   va_list v;
|   va_start (v,p);
|   s = g (p, va_arg (v,int));
|   va_end (v);
|   return s;
| }
| 
| /* OSF 4.0 Compaq cc is some sort of almost-ANSI by default.  It has
|    function prototypes and stuff, but not '\xHH' hex character constants.
|    These don't provoke an error unfortunately, instead are silently treated
|    as 'x'.  The following induces an error, until -std is added to get
|    proper ANSI mode.  Curiously '\x00'!='x' always comes out true, for an
|    array size at least.  It's necessary to write '\x00'==0 to get something
|    that's true only with -std.  */
| int osf4_cc_array ['\x00' == 0 ? 1 : -1];
| 
| /* IBM C 6 for AIX is almost-ANSI by default, but it replaces macro parameters
|    inside strings and character constants.  */
| #define FOO(x) 'x'
| int xlc6_cc_array[FOO(a) == 'x' ? 1 : -1];
| 
| int test (int i, double x);
| struct s1 {int (*f) (int a);};
| struct s2 {int (*f) (double a);};
| int pairnames (int, char **, FILE *(*)(struct buf *, struct stat *, int), 
int, int);
| int argc;
| char **argv;
| int
| main ()
| {
| return f (e, argv, 0) != argv[0]  ||  f (e, argv, 1) != argv[1];
|   ;
|   return 0;
| }
configure:4153: gcc -Ae -c -g -O2  conftest.c >&5
<command-line>: error: missing '(' after predicate
conftest.c:11:19: error: stdio.h: No such file or directory
conftest.c:12:23: error: sys/types.h: No such file or directory
conftest.c:13:22: error: sys/stat.h: No such file or directory
conftest.c:16: error: expected '=', ',', ';', 'asm' or '__attribute__' before 
'*' token
conftest.c:50: error: expected declaration specifiers or '...' before 'FILE'
configure:4160: $? = 1
configure: failed program was:
| /* confdefs.h.  */
| #define PACKAGE_NAME "LyX"
| #define PACKAGE_TARNAME "lyx"
| #define PACKAGE_VERSION "1.6.3svn"
| #define PACKAGE_STRING "LyX 1.6.3svn"
| #define PACKAGE_BUGREPORT "lyx-devel@lists.lyx.org"
| #define USE_POSIX_PACKAGING 1
| #define PACKAGE "lyx"
| /* end confdefs.h.  */
| #include <stdarg.h>
| #include <stdio.h>
| #include <sys/types.h>
| #include <sys/stat.h>
| /* Most of the following tests are stolen from RCS 5.7's src/conf.sh.  */
| struct buf { int x; };
| FILE * (*rcsopen) (struct buf *, struct stat *, int);
| static char *e (p, i)
|      char **p;
|      int i;
| {
|   return p[i];
| }
| static char *f (char * (*g) (char **, int), char **p, ...)
| {
|   char *s;
|   va_list v;
|   va_start (v,p);
|   s = g (p, va_arg (v,int));
|   va_end (v);
|   return s;
| }
| 
| /* OSF 4.0 Compaq cc is some sort of almost-ANSI by default.  It has
|    function prototypes and stuff, but not '\xHH' hex character constants.
|    These don't provoke an error unfortunately, instead are silently treated
|    as 'x'.  The following induces an error, until -std is added to get
|    proper ANSI mode.  Curiously '\x00'!='x' always comes out true, for an
|    array size at least.  It's necessary to write '\x00'==0 to get something
|    that's true only with -std.  */
| int osf4_cc_array ['\x00' == 0 ? 1 : -1];
| 
| /* IBM C 6 for AIX is almost-ANSI by default, but it replaces macro parameters
|    inside strings and character constants.  */
| #define FOO(x) 'x'
| int xlc6_cc_array[FOO(a) == 'x' ? 1 : -1];
| 
| int test (int i, double x);
| struct s1 {int (*f) (int a);};
| struct s2 {int (*f) (double a);};
| int pairnames (int, char **, FILE *(*)(struct buf *, struct stat *, int), 
int, int);
| int argc;
| char **argv;
| int
| main ()
| {
| return f (e, argv, 0) != argv[0]  ||  f (e, argv, 1) != argv[1];
|   ;
|   return 0;
| }
configure:4153: gcc -Aa -D_HPUX_SOURCE -c -g -O2  conftest.c >&5
<command-line>: error: missing '(' after predicate
conftest.c:11:19: error: stdio.h: No such file or directory
conftest.c:12:23: error: sys/types.h: No such file or directory
conftest.c:13:22: error: sys/stat.h: No such file or directory
conftest.c:16: error: expected '=', ',', ';', 'asm' or '__attribute__' before 
'*' token
conftest.c:50: error: expected declaration specifiers or '...' before 'FILE'
configure:4160: $? = 1
configure: failed program was:
| /* confdefs.h.  */
| #define PACKAGE_NAME "LyX"
| #define PACKAGE_TARNAME "lyx"
| #define PACKAGE_VERSION "1.6.3svn"
| #define PACKAGE_STRING "LyX 1.6.3svn"
| #define PACKAGE_BUGREPORT "lyx-devel@lists.lyx.org"
| #define USE_POSIX_PACKAGING 1
| #define PACKAGE "lyx"
| /* end confdefs.h.  */
| #include <stdarg.h>
| #include <stdio.h>
| #include <sys/types.h>
| #include <sys/stat.h>
| /* Most of the following tests are stolen from RCS 5.7's src/conf.sh.  */
| struct buf { int x; };
| FILE * (*rcsopen) (struct buf *, struct stat *, int);
| static char *e (p, i)
|      char **p;
|      int i;
| {
|   return p[i];
| }
| static char *f (char * (*g) (char **, int), char **p, ...)
| {
|   char *s;
|   va_list v;
|   va_start (v,p);
|   s = g (p, va_arg (v,int));
|   va_end (v);
|   return s;
| }
| 
| /* OSF 4.0 Compaq cc is some sort of almost-ANSI by default.  It has
|    function prototypes and stuff, but not '\xHH' hex character constants.
|    These don't provoke an error unfortunately, instead are silently treated
|    as 'x'.  The following induces an error, until -std is added to get
|    proper ANSI mode.  Curiously '\x00'!='x' always comes out true, for an
|    array size at least.  It's necessary to write '\x00'==0 to get something
|    that's true only with -std.  */
| int osf4_cc_array ['\x00' == 0 ? 1 : -1];
| 
| /* IBM C 6 for AIX is almost-ANSI by default, but it replaces macro parameters
|    inside strings and character constants.  */
| #define FOO(x) 'x'
| int xlc6_cc_array[FOO(a) == 'x' ? 1 : -1];
| 
| int test (int i, double x);
| struct s1 {int (*f) (int a);};
| struct s2 {int (*f) (double a);};
| int pairnames (int, char **, FILE *(*)(struct buf *, struct stat *, int), 
int, int);
| int argc;
| char **argv;
| int
| main ()
| {
| return f (e, argv, 0) != argv[0]  ||  f (e, argv, 1) != argv[1];
|   ;
|   return 0;
| }
configure:4153: gcc -Xc -D__EXTENSIONS__ -c -g -O2  conftest.c >&5
gcc: unrecognized option '-Xc'
conftest.c:11:19: error: stdio.h: No such file or directory
conftest.c:12:23: error: sys/types.h: No such file or directory
conftest.c:13:22: error: sys/stat.h: No such file or directory
conftest.c:16: error: expected '=', ',', ';', 'asm' or '__attribute__' before 
'*' token
conftest.c:50: error: expected declaration specifiers or '...' before 'FILE'
configure:4160: $? = 1
configure: failed program was:
| /* confdefs.h.  */
| #define PACKAGE_NAME "LyX"
| #define PACKAGE_TARNAME "lyx"
| #define PACKAGE_VERSION "1.6.3svn"
| #define PACKAGE_STRING "LyX 1.6.3svn"
| #define PACKAGE_BUGREPORT "lyx-devel@lists.lyx.org"
| #define USE_POSIX_PACKAGING 1
| #define PACKAGE "lyx"
| /* end confdefs.h.  */
| #include <stdarg.h>
| #include <stdio.h>
| #include <sys/types.h>
| #include <sys/stat.h>
| /* Most of the following tests are stolen from RCS 5.7's src/conf.sh.  */
| struct buf { int x; };
| FILE * (*rcsopen) (struct buf *, struct stat *, int);
| static char *e (p, i)
|      char **p;
|      int i;
| {
|   return p[i];
| }
| static char *f (char * (*g) (char **, int), char **p, ...)
| {
|   char *s;
|   va_list v;
|   va_start (v,p);
|   s = g (p, va_arg (v,int));
|   va_end (v);
|   return s;
| }
| 
| /* OSF 4.0 Compaq cc is some sort of almost-ANSI by default.  It has
|    function prototypes and stuff, but not '\xHH' hex character constants.
|    These don't provoke an error unfortunately, instead are silently treated
|    as 'x'.  The following induces an error, until -std is added to get
|    proper ANSI mode.  Curiously '\x00'!='x' always comes out true, for an
|    array size at least.  It's necessary to write '\x00'==0 to get something
|    that's true only with -std.  */
| int osf4_cc_array ['\x00' == 0 ? 1 : -1];
| 
| /* IBM C 6 for AIX is almost-ANSI by default, but it replaces macro parameters
|    inside strings and character constants.  */
| #define FOO(x) 'x'
| int xlc6_cc_array[FOO(a) == 'x' ? 1 : -1];
| 
| int test (int i, double x);
| struct s1 {int (*f) (int a);};
| struct s2 {int (*f) (double a);};
| int pairnames (int, char **, FILE *(*)(struct buf *, struct stat *, int), 
int, int);
| int argc;
| char **argv;
| int
| main ()
| {
| return f (e, argv, 0) != argv[0]  ||  f (e, argv, 1) != argv[1];
|   ;
|   return 0;
| }
configure:4186: result: unsupported
configure:4212: checking for style of include used by make
configure:4240: result: GNU
configure:4265: checking dependency style of gcc
configure:4356: result: gcc3
configure:4377: checking how to run the C preprocessor
configure:4417: gcc -E  conftest.c
In file included from 
/usr/lib/gcc/i386-redhat-linux/4.3.2/include/syslimits.h:7,
                 from /usr/lib/gcc/i386-redhat-linux/4.3.2/include/limits.h:11,
                 from conftest.c:11:
/usr/lib/gcc/i386-redhat-linux/4.3.2/include/limits.h:122:61: error: limits.h: 
No such file or directory
configure:4424: $? = 1
configure: failed program was:
| /* confdefs.h.  */
| #define PACKAGE_NAME "LyX"
| #define PACKAGE_TARNAME "lyx"
| #define PACKAGE_VERSION "1.6.3svn"
| #define PACKAGE_STRING "LyX 1.6.3svn"
| #define PACKAGE_BUGREPORT "lyx-devel@lists.lyx.org"
| #define USE_POSIX_PACKAGING 1
| #define PACKAGE "lyx"
| /* end confdefs.h.  */
| #ifdef __STDC__
| # include <limits.h>
| #else
| # include <assert.h>
| #endif
|                    Syntax error
configure:4417: gcc -E  conftest.c
In file included from 
/usr/lib/gcc/i386-redhat-linux/4.3.2/include/syslimits.h:7,
                 from /usr/lib/gcc/i386-redhat-linux/4.3.2/include/limits.h:11,
                 from conftest.c:11:
/usr/lib/gcc/i386-redhat-linux/4.3.2/include/limits.h:122:61: error: limits.h: 
No such file or directory
configure:4424: $? = 1
configure: failed program was:
| /* confdefs.h.  */
| #define PACKAGE_NAME "LyX"
| #define PACKAGE_TARNAME "lyx"
| #define PACKAGE_VERSION "1.6.3svn"
| #define PACKAGE_STRING "LyX 1.6.3svn"
| #define PACKAGE_BUGREPORT "lyx-devel@lists.lyx.org"
| #define USE_POSIX_PACKAGING 1
| #define PACKAGE "lyx"
| /* end confdefs.h.  */
| #ifdef __STDC__
| # include <limits.h>
| #else
| # include <assert.h>
| #endif
|                    Syntax error
configure:4417: gcc -E -traditional-cpp  conftest.c
conftest.c:13: error: assert.h: No such file or directory
configure:4424: $? = 1
configure: failed program was:
| /* confdefs.h.  */
| #define PACKAGE_NAME "LyX"
| #define PACKAGE_TARNAME "lyx"
| #define PACKAGE_VERSION "1.6.3svn"
| #define PACKAGE_STRING "LyX 1.6.3svn"
| #define PACKAGE_BUGREPORT "lyx-devel@lists.lyx.org"
| #define USE_POSIX_PACKAGING 1
| #define PACKAGE "lyx"
| /* end confdefs.h.  */
| #ifdef __STDC__
| # include <limits.h>
| #else
| # include <assert.h>
| #endif
|                    Syntax error
configure:4417: gcc -E -traditional-cpp  conftest.c
conftest.c:13: error: assert.h: No such file or directory
configure:4424: $? = 1
configure: failed program was:
| /* confdefs.h.  */
| #define PACKAGE_NAME "LyX"
| #define PACKAGE_TARNAME "lyx"
| #define PACKAGE_VERSION "1.6.3svn"
| #define PACKAGE_STRING "LyX 1.6.3svn"
| #define PACKAGE_BUGREPORT "lyx-devel@lists.lyx.org"
| #define USE_POSIX_PACKAGING 1
| #define PACKAGE "lyx"
| /* end confdefs.h.  */
| #ifdef __STDC__
| # include <limits.h>
| #else
| # include <assert.h>
| #endif
|                    Syntax error
configure:4417: /lib/cpp  conftest.c
In file included from 
/usr/lib/gcc/i386-redhat-linux/4.3.2/include/syslimits.h:7,
                 from /usr/lib/gcc/i386-redhat-linux/4.3.2/include/limits.h:11,
                 from conftest.c:11:
/usr/lib/gcc/i386-redhat-linux/4.3.2/include/limits.h:122:61: error: limits.h: 
No such file or directory
configure:4424: $? = 1
configure: failed program was:
| /* confdefs.h.  */
| #define PACKAGE_NAME "LyX"
| #define PACKAGE_TARNAME "lyx"
| #define PACKAGE_VERSION "1.6.3svn"
| #define PACKAGE_STRING "LyX 1.6.3svn"
| #define PACKAGE_BUGREPORT "lyx-devel@lists.lyx.org"
| #define USE_POSIX_PACKAGING 1
| #define PACKAGE "lyx"
| /* end confdefs.h.  */
| #ifdef __STDC__
| # include <limits.h>
| #else
| # include <assert.h>
| #endif
|                    Syntax error
configure:4417: /lib/cpp  conftest.c
In file included from 
/usr/lib/gcc/i386-redhat-linux/4.3.2/include/syslimits.h:7,
                 from /usr/lib/gcc/i386-redhat-linux/4.3.2/include/limits.h:11,
                 from conftest.c:11:
/usr/lib/gcc/i386-redhat-linux/4.3.2/include/limits.h:122:61: error: limits.h: 
No such file or directory
configure:4424: $? = 1
configure: failed program was:
| /* confdefs.h.  */
| #define PACKAGE_NAME "LyX"
| #define PACKAGE_TARNAME "lyx"
| #define PACKAGE_VERSION "1.6.3svn"
| #define PACKAGE_STRING "LyX 1.6.3svn"
| #define PACKAGE_BUGREPORT "lyx-devel@lists.lyx.org"
| #define USE_POSIX_PACKAGING 1
| #define PACKAGE "lyx"
| /* end confdefs.h.  */
| #ifdef __STDC__
| # include <limits.h>
| #else
| # include <assert.h>
| #endif
|                    Syntax error
configure:4495: result: /lib/cpp
configure:4524: /lib/cpp  conftest.c
In file included from 
/usr/lib/gcc/i386-redhat-linux/4.3.2/include/syslimits.h:7,
                 from /usr/lib/gcc/i386-redhat-linux/4.3.2/include/limits.h:11,
                 from conftest.c:11:
/usr/lib/gcc/i386-redhat-linux/4.3.2/include/limits.h:122:61: error: limits.h: 
No such file or directory
configure:4531: $? = 1
configure: failed program was:
| /* confdefs.h.  */
| #define PACKAGE_NAME "LyX"
| #define PACKAGE_TARNAME "lyx"
| #define PACKAGE_VERSION "1.6.3svn"
| #define PACKAGE_STRING "LyX 1.6.3svn"
| #define PACKAGE_BUGREPORT "lyx-devel@lists.lyx.org"
| #define USE_POSIX_PACKAGING 1
| #define PACKAGE "lyx"
| /* end confdefs.h.  */
| #ifdef __STDC__
| # include <limits.h>
| #else
| # include <assert.h>
| #endif
|                    Syntax error
configure:4524: /lib/cpp  conftest.c
In file included from 
/usr/lib/gcc/i386-redhat-linux/4.3.2/include/syslimits.h:7,
                 from /usr/lib/gcc/i386-redhat-linux/4.3.2/include/limits.h:11,
                 from conftest.c:11:
/usr/lib/gcc/i386-redhat-linux/4.3.2/include/limits.h:122:61: error: limits.h: 
No such file or directory
configure:4531: $? = 1
configure: failed program was:
| /* confdefs.h.  */
| #define PACKAGE_NAME "LyX"
| #define PACKAGE_TARNAME "lyx"
| #define PACKAGE_VERSION "1.6.3svn"
| #define PACKAGE_STRING "LyX 1.6.3svn"
| #define PACKAGE_BUGREPORT "lyx-devel@lists.lyx.org"
| #define USE_POSIX_PACKAGING 1
| #define PACKAGE "lyx"
| /* end confdefs.h.  */
| #ifdef __STDC__
| # include <limits.h>
| #else
| # include <assert.h>
| #endif
|                    Syntax error
configure:4593: error: in `/home/rgheck/cvs/lyx-pristine':
configure:4596: error: C preprocessor "/lib/cpp" fails sanity check
See `config.log' for more details.

## ---------------- ##
## Cache variables. ##
## ---------------- ##

ac_cv_build=i686-pc-linux-gnulibc1
ac_cv_c_compiler_gnu=yes
ac_cv_env_CCC_set=
ac_cv_env_CCC_value=
ac_cv_env_CC_set=
ac_cv_env_CC_value=
ac_cv_env_CFLAGS_set=
ac_cv_env_CFLAGS_value=
ac_cv_env_CPPFLAGS_set=
ac_cv_env_CPPFLAGS_value=
ac_cv_env_CPP_set=
ac_cv_env_CPP_value=
ac_cv_env_CXXCPP_set=
ac_cv_env_CXXCPP_value=
ac_cv_env_CXXFLAGS_set=
ac_cv_env_CXXFLAGS_value=
ac_cv_env_CXX_set=
ac_cv_env_CXX_value=
ac_cv_env_LDFLAGS_set=
ac_cv_env_LDFLAGS_value=
ac_cv_env_LIBS_set=
ac_cv_env_LIBS_value=
ac_cv_env_OBJCFLAGS_set=
ac_cv_env_OBJCFLAGS_value=
ac_cv_env_OBJC_set=
ac_cv_env_OBJC_value=
ac_cv_env_PKG_CONFIG_set=
ac_cv_env_PKG_CONFIG_value=
ac_cv_env_QT4DIR_set=
ac_cv_env_QT4DIR_value=
ac_cv_env_QT4_CORE_CFLAGS_set=
ac_cv_env_QT4_CORE_CFLAGS_value=
ac_cv_env_QT4_CORE_LIBS_set=
ac_cv_env_QT4_CORE_LIBS_value=
ac_cv_env_QT4_FRONTEND_CFLAGS_set=
ac_cv_env_QT4_FRONTEND_CFLAGS_value=
ac_cv_env_QT4_FRONTEND_LIBS_set=
ac_cv_env_QT4_FRONTEND_LIBS_value=
ac_cv_env_XMKMF_set=
ac_cv_env_XMKMF_value=
ac_cv_env_build_alias_set=
ac_cv_env_build_alias_value=
ac_cv_env_host_alias_set=
ac_cv_env_host_alias_value=
ac_cv_env_target_alias_set=
ac_cv_env_target_alias_value=
ac_cv_host=i686-pc-linux-gnulibc1
ac_cv_objext=o
ac_cv_path_PYTHON=/usr/bin/python
ac_cv_path_install='/usr/bin/install -c'
ac_cv_path_mkdir=/bin/mkdir
ac_cv_prog_AWK=gawk
ac_cv_prog_CPP=/lib/cpp
ac_cv_prog_ac_ct_CC=gcc
ac_cv_prog_cc_c89=no
ac_cv_prog_cc_g=yes
ac_cv_prog_make_make_set=yes
ac_cv_target=i686-pc-linux-gnulibc1
am_cv_CC_dependencies_compiler_type=gcc3
am_cv_pathless_PYTHON=python
am_cv_python_platform=linux2
am_cv_python_pyexecdir='${exec_prefix}/lib/python2.5/site-packages'
am_cv_python_pythondir='${prefix}/lib/python2.5/site-packages'
am_cv_python_version=2.5

## ----------------- ##
## Output variables. ##
## ----------------- ##

ACLOCAL='${SHELL} /home/rgheck/cvs/lyx-pristine/config/missing --run 
aclocal-1.10'
AIKSAURUS_LIBS=''
ALLOCA=''
AMDEPBACKSLASH='\'
AMDEP_FALSE='#'
AMDEP_TRUE=''
AMTAR='${SHELL} /home/rgheck/cvs/lyx-pristine/config/missing --run tar'
AM_CFLAGS=''
AM_CPPFLAGS=''
AM_CXXFLAGS=''
AM_LDFLAGS=''
AR=''
AS=''
AUTOCONF='${SHELL} /home/rgheck/cvs/lyx-pristine/config/missing --run autoconf'
AUTOHEADER='${SHELL} /home/rgheck/cvs/lyx-pristine/config/missing --run 
autoheader'
AUTOMAKE='${SHELL} /home/rgheck/cvs/lyx-pristine/config/missing --run 
automake-1.10'
AWK='gawk'
BUILD_CLIENT_SUBDIR_FALSE=''
BUILD_CLIENT_SUBDIR_TRUE=''
BUILD_INCLUDED_LIBINTL=''
CATOBJEXT=''
CC='gcc'
CCDEPMODE='depmode=gcc3'
CFLAGS='-g -O2'
CFLAG_VISIBILITY=''
CPP='/lib/cpp'
CPPFLAGS=''
CXX=''
CXXCPP=''
CXXDEPMODE=''
CXXFLAGS=''
CYGPATH_W='echo'
DATADIRNAME=''
DEFS=''
DEPDIR='.deps'
DLLTOOL=''
DSYMUTIL=''
ECHO='echo'
ECHO_C=''
ECHO_N='-n'
ECHO_T=''
EGREP=''
EXEEXT=''
FRONTENDS=''
FRONTENDS_PROGS=''
FRONTENDS_SUBDIRS=''
GENCAT=''
GLIBC21=''
GLIBC2=''
GMSGFMT=''
GMSGFMT_015=''
GREP=''
HAVE_ASPRINTF=''
HAVE_POSIX_PRINTF=''
HAVE_SNPRINTF=''
HAVE_VISIBILITY=''
HAVE_WPRINTF=''
INSTALL_DATA='${INSTALL} -m 644'
INSTALL_MACOSX_FALSE=''
INSTALL_MACOSX_TRUE='#'
INSTALL_PROGRAM='${INSTALL}'
INSTALL_SCRIPT='${INSTALL}'
INSTALL_STRIP_PROGRAM='$(install_sh) -c -s'
INSTOBJEXT=''
INTLBISON=''
INTLLIBS=''
INTLOBJS=''
INTL_LIBTOOL_SUFFIX_PREFIX=''
INTL_MACOSX_LIBS=''
LDFLAGS=''
LIBICONV=''
LIBINTL=''
LIBMULTITHREAD=''
LIBOBJS=''
LIBPSAPI=''
LIBPTH=''
LIBS=''
LIBSHLWAPI=''
LIBTHREAD=''
LIBTOOL=''
LN_S=''
LTLIBICONV=''
LTLIBINTL=''
LTLIBMULTITHREAD=''
LTLIBOBJS=''
LTLIBPTH=''
LTLIBTHREAD=''
LYX_BUILD_PCH_FALSE=''
LYX_BUILD_PCH_TRUE=''
LYX_DATE='2009-03-14'
LYX_DIR_VER=''
LYX_MAJOR_VERSION=''
LYX_MINOR_VERSION=''
LYX_RELEASE_LEVEL=''
LYX_RELEASE_PATCH=''
LYX_USERDIR_VER=''
LYX_WIN_RESOURCE_FALSE=''
LYX_WIN_RESOURCE_TRUE=''
MAINT='#'
MAINTAINER_MODE_FALSE=''
MAINTAINER_MODE_TRUE='#'
MAKEINFO='${SHELL} /home/rgheck/cvs/lyx-pristine/config/missing --run makeinfo'
MKDIR_P='/bin/mkdir -p'
MOC4=''
MONOLITHIC_BOOST_FALSE=''
MONOLITHIC_BOOST_TRUE=''
MONOLITHIC_CLIENT_FALSE=''
MONOLITHIC_CLIENT_TRUE=''
MONOLITHIC_CORE_FALSE=''
MONOLITHIC_CORE_TRUE=''
MONOLITHIC_FRONTEND_QT4_FALSE=''
MONOLITHIC_FRONTEND_QT4_TRUE=''
MONOLITHIC_INSETS_FALSE=''
MONOLITHIC_INSETS_TRUE=''
MONOLITHIC_MATHED_FALSE=''
MONOLITHIC_MATHED_TRUE=''
MONOLITHIC_TEX2LYX_FALSE=''
MONOLITHIC_TEX2LYX_TRUE=''
MSGFMT=''
MSGFMT_015=''
MSGMERGE=''
NMEDIT=''
OBJC=''
OBJCDEPMODE=''
OBJCFLAGS=''
OBJDUMP=''
OBJEXT='o'
PACKAGE='lyx'
PACKAGE_BUGREPORT='lyx-devel@lists.lyx.org'
PACKAGE_NAME='LyX'
PACKAGE_STRING='LyX 1.6.3svn'
PACKAGE_TARNAME='lyx'
PACKAGE_VERSION='1.6.3svn'
PATH_SEPARATOR=':'
PKG_CONFIG=''
POSUB=''
PRI_MACROS_BROKEN=''
PYTHON='/usr/bin/python'
PYTHON_EXEC_PREFIX='${exec_prefix}'
PYTHON_PLATFORM='linux2'
PYTHON_PREFIX='${prefix}'
PYTHON_VERSION='2.5'
QT4DIR=''
QT4_CORE_CFLAGS=''
QT4_CORE_INCLUDES=''
QT4_CORE_LDFLAGS=''
QT4_CORE_LIB=''
QT4_CORE_LIBS=''
QT4_CPPFLAGS=''
QT4_FRONTEND_CFLAGS=''
QT4_FRONTEND_LIBS=''
QT4_INCLUDES=''
QT4_LDFLAGS=''
QT4_LIB=''
QT4_VERSION=''
RANLIB=''
RCC4=''
RPM_FRONTEND=''
RPM_VERSION_SUFFIX='""'
SED=''
SET_MAKE=''
SHELL='/bin/sh'
SOCKET_LIBS=''
STRIP=''
UIC4=''
USE_ASPELL_FALSE=''
USE_ASPELL_TRUE=''
USE_INCLUDED_BOOST_FALSE=''
USE_INCLUDED_BOOST_TRUE=''
USE_INCLUDED_LIBINTL=''
USE_ISPELL_FALSE=''
USE_ISPELL_TRUE=''
USE_NLS=''
USE_PSPELL_FALSE=''
USE_PSPELL_TRUE=''
VERSION='1.6.3svn'
VERSION_INFO=''
WOE32DLL=''
XGETTEXT=''
XGETTEXT_015=''
XMKMF=''
X_CFLAGS=''
X_EXTRA_LIBS=''
X_LIBS=''
X_PRE_LIBS=''
ac_ct_CC='gcc'
ac_ct_CXX=''
ac_ct_OBJC=''
am__fastdepCC_FALSE='#'
am__fastdepCC_TRUE=''
am__fastdepCXX_FALSE=''
am__fastdepCXX_TRUE=''
am__fastdepOBJC_FALSE=''
am__fastdepOBJC_TRUE=''
am__include='include'
am__isrc=''
am__leading_dot='.'
am__quote=''
am__tar='${AMTAR} chof - "$$tardir"'
am__untar='${AMTAR} xf -'
bindir='${exec_prefix}/bin'
build='i686-pc-linux-gnulibc1'
build_alias=''
build_cpu='i686'
build_os='linux-gnulibc1'
build_vendor='pc'
datadir='${datarootdir}'
datarootdir='${prefix}/share'
docdir='${datarootdir}/doc/${PACKAGE_TARNAME}'
dvidir='${docdir}'
exec_prefix='NONE'
host='i686-pc-linux-gnulibc1'
host_alias=''
host_cpu='i686'
host_os='linux-gnulibc1'
host_vendor='pc'
htmldir='${docdir}'
includedir='${prefix}/include'
infodir='${datarootdir}/info'
install_sh='$(SHELL) /home/rgheck/cvs/lyx-pristine/config/install-sh'
libdir='${exec_prefix}/lib'
libexecdir='${exec_prefix}/libexec'
localedir='${datarootdir}/locale'
localstatedir='${prefix}/var'
lyx_devel_version='no'
mandir='${datarootdir}/man'
mkdir_p='/bin/mkdir -p'
oldincludedir='/usr/include'
pdfdir='${docdir}'
pkgdatadir='${datadir}/${PACKAGE}'
pkgpyexecdir='${pyexecdir}/lyx'
pkgpythondir='${pythondir}/lyx'
prefix='NONE'
program_suffix=''
program_transform_name='s&$$&&'
psdir='${docdir}'
pyexecdir='${exec_prefix}/lib/python2.5/site-packages'
pythondir='${prefix}/lib/python2.5/site-packages'
real_pkgdatadir=''
sbindir='${exec_prefix}/sbin'
sharedstatedir='${prefix}/com'
sysconfdir='${prefix}/etc'
target='i686-pc-linux-gnulibc1'
target_alias=''
target_cpu='i686'
target_os='linux-gnulibc1'
target_vendor='pc'
version_suffix=''

## ----------- ##
## confdefs.h. ##
## ----------- ##

#define PACKAGE_NAME "LyX"
#define PACKAGE_TARNAME "lyx"
#define PACKAGE_VERSION "1.6.3svn"
#define PACKAGE_STRING "LyX 1.6.3svn"
#define PACKAGE_BUGREPORT "lyx-devel@lists.lyx.org"
#define USE_POSIX_PACKAGING 1
#define PACKAGE "lyx"

configure: exit 1

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