- AC_CACHE_CHECK(for LessTif where some systems put it, emacs_cv_lesstif,
- # We put this in CFLAGS temporarily to precede other -I options
- # that might be in CFLAGS temporarily.
- # We put this in CPPFLAGS where it precedes the other -I options.
- OLD_CPPFLAGS=$CPPFLAGS
- OLD_CFLAGS=$CFLAGS
- CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS"
- CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS"
- [AC_TRY_COMPILE([#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>],
- [int x = 5;],
- emacs_cv_lesstif=yes, emacs_cv_lesstif=no)])
- if test $emacs_cv_lesstif = yes; then
- # Make sure this -I option remains in CPPFLAGS after it is set
- # back to REAL_CPPFLAGS.
- # There is no need to change REAL_CFLAGS, because REAL_CFLAGS does not
- # have those other -I options anyway. Ultimately, having this
- # directory ultimately in CPPFLAGS will be enough.
- REAL_CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $REAL_CPPFLAGS"
- LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS"
- else
- CFLAGS=$OLD_CFLAGS
- CPPFLAGS=$OLD_CPPFLAGS
- fi