diff options
| author | Paul Eggert <eggert@cs.ucla.edu> | 2021-01-03 11:19:48 -0800 |
|---|---|---|
| committer | Paul Eggert <eggert@cs.ucla.edu> | 2021-01-03 11:51:57 -0800 |
| commit | 585997d05adde5a3510ce1221f9e8dd60407ce30 (patch) | |
| tree | 0a83e6375dc82f7febe52a7c3e793b03f54c78d8 /configure.ac | |
| parent | a7c2793efe503ad7ad9f2d6fc73555da3a4cdaea (diff) | |
| download | emacs-585997d05adde5a3510ce1221f9e8dd60407ce30.tar.gz | |
Fix broken build on AIX 7.2
Without this fix, the build on AIX 7.2 with xlc fails in the ‘CCLD
temacs’ step with the diagnostic ‘ld: 0711-317 ERROR: Undefined
symbol: BC’. This is because -lcurses does not define BC etc.
* configure.ac: When building terminfo.o, define
TERMINFO_DEFINES_BC if the library defines BC etc.
* src/terminfo.c (UP, BC, PC): Define depending on
TERMINFO_DEFINES_BC, not on TERMINFO.
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index 48e96529ff2..89b0785d031 100644 --- a/configure.ac +++ b/configure.ac @@ -4366,6 +4366,18 @@ TERMCAP_OBJ=tparam.o if test $TERMINFO = yes; then AC_DEFINE(TERMINFO, 1, [Define to 1 if you use terminfo instead of termcap.]) TERMCAP_OBJ=terminfo.o + AC_CACHE_CHECK([whether $LIBS_TERMCAP library defines BC], + [emacs_cv_terminfo_defines_BC], + [OLD_LIBS=$LIBS + LIBS="$LIBS $LIBS_TERMCAP" + AC_LINK_IFELSE([AC_LANG_PROGRAM([[extern char *BC;]], [[return !*BC;]])], + [emacs_cv_terminfo_defines_BC=yes], + [emacs_cv_terminfo_defines_BC=no]) + LIBS=$OLD_LIBS]) + if test "$emacs_cv_terminfo_defines_BC" = yes; then + AC_DEFINE([TERMINFO_DEFINES_BC], 1, [Define to 1 if the + terminfo library defines the variables BC, PC, and UP.]) + fi fi if test "X$LIBS_TERMCAP" = "X-lncurses"; then AC_DEFINE(USE_NCURSES, 1, [Define to 1 if you use ncurses.]) |