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Don’t mishandle preset emacs_cv_lesstif

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* configure.ac: Restore CFLAGS etc. correctly even when
emacs_cv_lesstif is already set on the command line.
This commit is contained in:
Paul Eggert 2022-07-04 23:23:59 -05:00
parent 77d90ce79a
commit e93d9e0f5d
1 changed files with 1 additions and 1 deletions
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2
configure.ac
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@ -3378,7 +3378,6 @@ Motif version prior to 2.1.
REAL_CPPFLAGS="-I/usr/include/openmotif $REAL_CPPFLAGS"
fi
else
AC_CACHE_CHECK(for LessTif where some systems put it, emacs_cv_lesstif,
# We put this in CFLAGS temporarily to precede other -I options
# that might be in CFLAGS temporarily.
# We put this in CPPFLAGS where it precedes the other -I options.
@ -3386,6 +3385,7 @@ Motif version prior to 2.1.
OLD_CFLAGS=$CFLAGS
CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS"
CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS"
AC_CACHE_CHECK(for LessTif where some systems put it, emacs_cv_lesstif,
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>]],
[[int x = 5;]])],
emacs_cv_lesstif=yes, emacs_cv_lesstif=no)])