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| author | Tom Tromey <tom@tromey.com> | 2019-04-21 13:58:49 -0600 |
|---|---|---|
| committer | Tom Tromey <tom@tromey.com> | 2019-08-12 10:57:56 -0600 |
| commit | 86c6b807f50ecec84e55007bf6cb6e54c159727b (patch) | |
| tree | 1b3454909a376b369eecaf0df7d20b7558bf5bce /gdb/configure.ac | |
| parent | 5db2718ce48c497e317787caebacd019da59c3b0 (diff) | |
| download | gdb-86c6b807f50ecec84e55007bf6cb6e54c159727b.zip gdb-86c6b807f50ecec84e55007bf6cb6e54c159727b.tar.gz gdb-86c6b807f50ecec84e55007bf6cb6e54c159727b.tar.bz2 | |
Require readline 7 or newer
This changes gdb to require readline 7 or newer at build time.
gdb/ChangeLog
2019-08-12 Tom Tromey <tom@tromey.com>
* configure: Rebuild.
* configure.ac: Check for readline 7.
* NEWS: Mention readline 7 requirement.
* README: Update.
gdb/doc/ChangeLog
2019-08-12 Tom Tromey <tom@tromey.com>
* gdb.texinfo (Configure Options): Document minimum version of
readline.
Diffstat (limited to 'gdb/configure.ac')
| -rw-r--r-- | gdb/configure.ac | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/gdb/configure.ac b/gdb/configure.ac index 05b722b..0979109 100644 --- a/gdb/configure.ac +++ b/gdb/configure.ac @@ -581,6 +581,20 @@ AC_ARG_WITH([system-readline], [use installed readline library])]) if test "$with_system_readline" = yes; then + AC_CACHE_CHECK([whether system readline is new enough], + [gdb_cv_readline_ok], + [AC_TRY_COMPILE( + [#include <stdio.h> +#include <readline/readline.h>], + [#if RL_VERSION_MAJOR < 7 +# error "readline version 7 required" +#endif], + gdb_cv_readline_ok=yes, + gdb_cv_readline_ok=no)]) + if test "$gdb_cv_readline_ok" != yes; then + AC_MSG_ERROR([system readline is not new enough]) + fi + READLINE=-lreadline READLINE_DEPS= READLINE_CFLAGS= |