Hello Jack,
* Jack Howarth wrote on Fri, Mar 26, 2010 at 01:13:16AM CET:
> While testing a patch to update the minimum version
> of cloog-ppl in gcc trunk...
> --- configure.ac (revision 157732)
> +++ configure.ac (working copy)
> @@ -1612,9 +1612,9 @@
> if test "x$with_cloog" != "xno" -a "${ENABLE_CLOOG_CHECK}" = "yes"; then
> saved_CFLAGS="$CFLAGS"
> CFLAGS="$CFLAGS $clooginc $gmpinc $pplinc"
> - AC_MSG_CHECKING([for version 0.15.5 (or later revision) of CLooG])
> + AC_MSG_CHECKING([for version 0.15.9 (or later revision) of CLooG])
> AC_TRY_COMPILE([#include "cloog/cloog.h"],[
> - #if CLOOG_VERSION_MAJOR != 0 || CLOOG_VERSION_MINOR != 15 ||
> CLOOG_VERSION_REVISION < 5
> + #if CLOOG_VERSION_MAJOR != 0 || CLOOG_VERSION_MINOR != 15 ||
> CLOOG_VERSION_REVISION < 9
> choke me
> #endif
> ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); clooglibs= ; clooginc= ])
>
> I noticed that this test only returns...
>
> checking for version 0.15.9 (or later revision) of CLooG... no
>
> for...
>
> ../gcc-4.5-20100325/configure --prefix=/sw --prefix=/sw/lib/gcc4.5
> --mandir=/sw/share/man --infodir=/sw/share/info
> --enable-languages=c,c++,fortran,objc,obj-c++,java \
> --with-gmp=/sw --with-libiconv-prefix=/sw --with-ppl=/sw --with-cloog=/sw
> --with-mpc=/sw --with-system-zlib \
> --x-includes=/usr/X11R6/include --x-libraries=/usr/X11R6/lib
> --disable-libjava-multilib --enable-checking=release
>
> ...when a cloog-ppl earlier than 0.15.9 is installed. Shouldn't configure fail
> outright in this case since the user obviously intended cloog to be used?
> Currently
> configure proceeds to set up a build without graphite support.
Well, what does config.log tell you why it was not detected?
Cheers,
Ralf