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* aclocal.m4: New file. For now used for thread support

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configuration.
This commit is contained in:
Mikael Djurfeldt 1996-10-01 02:57:50 +00:00
parent dbece3a204
commit ebf5083348
1 changed files with 102 additions and 0 deletions
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aclocal.m4 vendored Normal file
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dnl
dnl CY_AC_WITH_THREADS determines which thread library the user intends
dnl to put underneath guile. Pass it the path to find the guile top-level
dnl source directory. Eg CY_AC_WITH_THREADS(../..) for tcl/unix.
dnl
AC_DEFUN([CY_AC_WITH_THREADS],[
AC_CACHE_CHECK("threads package type",cy_cv_threads_package,[
AC_CACHE_VAL(cy_cv_threads_cflags,[
AC_CACHE_VAL(cy_cv_threads_libs,[
use_threads=no;
AC_ARG_WITH(threads,[ --with-threads thread interface],
use_threads=$withval, use_threads=no)
test -n "$use_threads" || use_threads=qt
threads_package=unknown
if test "$use_threads" != no; then
dnl
dnl Test for the qt threads package - used for cooperative threads
dnl This may not necessarily be built yet - so just check for the
dnl header files.
dnl
if test "$use_threads" = yes || test "$use_threads" = qt; then
# Look for qt in source directory. This is a hack: we look in
# "./qt" because this check might be run at the top level.
if test -f $srcdir/../qt/qt.c || test -f $srcdir/qt/qt.c; then
threads_package=COOP
cy_cv_threads_cflags="-I$srcdir/../qt -I../qt"
cy_cv_threads_libs="../threads/libthreads.a ../qt/libqt.a"
fi
else
if test -f $use_threads/qt.c; then
# FIXME seems as though we should try to use an installed qt here.
threads_package=COOP
cy_cv_threads_cflags="-I$use_threads -I../qt"
cy_cv_threads_libs="../threads/libthreads.a ../qt/libqt.a"
fi
fi
if test "$use_threads" = pthreads; then
# Look for pthreads in srcdir. See above to understand why
# we always set threads_package.
if test -f $srcdir/../../pthreads/pthreads/queue.c \
|| test -f $srcdir/../pthreads/pthreads/queue.c; then
threads_package=MIT
cy_cv_threads_cflags="-I$srcdir/../../pthreads/include"
cy_cv_threads_libs="-L../../pthreads/lib -lpthread"
fi
fi
saved_CPP="$CPPFLAGS"
saved_LD="$LDFLAGS"
saved_LIBS="$LIBS"
if test "$threads_package" = unknown; then
dnl
dnl Test for the FSU threads package
dnl
CPPFLAGS="-I$use_threads/include"
LDFLAGS="-L$use_threads/lib"
LIBS="-lgthreads -lmalloc"
AC_TRY_LINK([#include <pthread.h>],[
pthread_equal(NULL,NULL);
], threads_package=FSU)
fi
if test "$threads_package" = unknown; then
dnl
dnl Test for the MIT threads package
dnl
LIBS="-lpthread"
AC_TRY_LINK([#include <pthread.h>],[
pthread_equal(NULL,NULL);
], threads_package=MIT)
fi
if test "$threads_package" = unknown; then
dnl
dnl Test for the PCthreads package
dnl
LIBS="-lpthreads"
AC_TRY_LINK([#include <pthread.h>],[
pthread_equal(NULL,NULL);
], threads_package=PCthreads)
fi
dnl
dnl Set the appropriate flags!
dnl
cy_cv_threads_cflags="$CPPFLAGS $cy_cv_threads_cflags"
cy_cv_threads_libs="$LDFLAGS $LIBS $cy_cv_threads_libs"
cy_cv_threads_package=$threads_package
CPPFLAGS="$saved_CPP"
LDFLAGS="$saved_LD"
LIBS="$saved_LIBS"
if test "$threads_package" = unknown; then
AC_MSG_ERROR("cannot find thread library installation")
fi
fi
])
])
],
dnl
dnl Set flags according to what is cached.
dnl
CPPFLAGS="$cy_cv_threads_cflags"
LIBS="$cy_cv_threads_libs"
)
])