+# ??? 2006-01-24: Paulo committed to asking autoconf folk to document
+# and export AC_COMPUTE_INT. If that happens, then we'll need to remove
+# the underscore here and update the PREREQ. If it doesn't, then we'll
+# need to copy this macro to our acinclude.m4.
+save_CFLAGS="$CFLAGS"
+for i in $config_path; do
+ if test -f $srcdir/config/$i/omp-lock.h; then
+ CFLAGS="$CFLAGS -include confdefs.h -include $srcdir/config/$i/omp-lock.h"
+ break
+ fi
+done
+
+_AC_COMPUTE_INT([sizeof (omp_lock_t)], [OMP_LOCK_SIZE],,
+ [AC_MSG_ERROR([unsupported system, cannot find sizeof (omp_lock_t)])])
+_AC_COMPUTE_INT([__alignof (omp_lock_t)], [OMP_LOCK_ALIGN])
+_AC_COMPUTE_INT([sizeof (omp_nest_lock_t)], [OMP_NEST_LOCK_SIZE])
+_AC_COMPUTE_INT([__alignof (omp_nest_lock_t)], [OMP_NEST_LOCK_ALIGN])
+_AC_COMPUTE_INT([sizeof (omp_lock_25_t)], [OMP_LOCK_25_SIZE],,
+ [AC_MSG_ERROR([unsupported system, cannot find sizeof (omp_lock_25_t)])])
+_AC_COMPUTE_INT([__alignof (omp_lock_25_t)], [OMP_LOCK_25_ALIGN])
+_AC_COMPUTE_INT([sizeof (omp_nest_lock_25_t)], [OMP_NEST_LOCK_25_SIZE])
+_AC_COMPUTE_INT([__alignof (omp_nest_lock_25_t)], [OMP_NEST_LOCK_25_ALIGN])
+
+# If the lock fits in an integer, then arrange for Fortran to use that
+# integer. If it doesn't, then arrange for Fortran to use a pointer.
+# Except that we don't have a way at present to multi-lib the installed
+# Fortran modules, so we assume 8 bytes for pointers, regardless of the
+# actual target.
+OMP_LOCK_KIND=$OMP_LOCK_SIZE
+OMP_NEST_LOCK_KIND=$OMP_NEST_LOCK_SIZE
+if test $OMP_LOCK_SIZE -gt 8 || test $OMP_LOCK_ALIGN -gt $OMP_LOCK_SIZE; then
+ OMP_LOCK_KIND=8
+fi
+if test $OMP_NEST_LOCK_SIZE -gt 8 || test $OMP_NEST_LOCK_ALIGN -gt $OMP_NEST_LOCK_SIZE; then
+ OMP_NEST_LOCK_KIND=8
+fi
+OMP_LOCK_25_KIND=$OMP_LOCK_25_SIZE
+OMP_NEST_LOCK_25_KIND=$OMP_NEST_LOCK_25_SIZE
+if test $OMP_LOCK_25_SIZE -gt 8 || test $OMP_LOCK_25_ALIGN -gt $OMP_LOCK_25_SIZE; then
+ OMP_LOCK_25_KIND=8
+fi
+if test $OMP_NEST_LOCK_25_SIZE -gt 8 || test $OMP_NEST_LOCK_25_ALIGN -gt $OMP_NEST_LOCK_25_SIZE; then
+ OMP_NEST_LOCK_25_KIND=8
+fi
+
+AC_SUBST(OMP_LOCK_SIZE)
+AC_SUBST(OMP_LOCK_ALIGN)
+AC_SUBST(OMP_NEST_LOCK_SIZE)
+AC_SUBST(OMP_NEST_LOCK_ALIGN)
+AC_SUBST(OMP_LOCK_KIND)
+AC_SUBST(OMP_NEST_LOCK_KIND)
+AC_SUBST(OMP_LOCK_25_SIZE)
+AC_SUBST(OMP_LOCK_25_ALIGN)
+AC_SUBST(OMP_NEST_LOCK_25_SIZE)
+AC_SUBST(OMP_NEST_LOCK_25_ALIGN)
+AC_SUBST(OMP_LOCK_25_KIND)
+AC_SUBST(OMP_NEST_LOCK_25_KIND)
+CFLAGS="$save_CFLAGS"
+
+AC_CONFIG_FILES(omp.h omp_lib.h omp_lib.f90 libgomp_f.h)