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authorAlexandra Hájková <ahajkova@redhat.com>2021-11-18 03:49:52 -0500
committerAlexandra Hájková <ahajkova@redhat.com>2021-11-23 15:01:08 +0100
commit7c26f8da3d267954f8a3a810c5ed9de09d15e6d4 (patch)
treea6140630cea7643bd41801f2b1561ae3e115a234 /gdb/configure.ac
parentb69c9d41e89498442cb5af5287f378b3583dd445 (diff)
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configure.ac: Check for the readline.h explicitly
When readline development package is missing make fails with "configure: error: system readline is not new enough" which might be confusing. This patch checks for the readline.h explicitly and makes make to warn about the missing package.
Diffstat (limited to 'gdb/configure.ac')
-rw-r--r--gdb/configure.ac4
1 files changed, 4 insertions, 0 deletions
diff --git a/gdb/configure.ac b/gdb/configure.ac
index 56e8a2d..29c1c45 100644
--- a/gdb/configure.ac
+++ b/gdb/configure.ac
@@ -596,6 +596,10 @@ AC_ARG_WITH([system-readline],
[use installed readline library])])
if test "$with_system_readline" = yes; then
+ AC_CHECK_HEADERS(readline/readline.h, [readline_h=yes], [readline_h=no])
+ if test "$readline_h" = "no"; then
+ AC_MSG_ERROR([readline development packages are probably missing])
+ fi
AC_CACHE_CHECK(
[whether system readline is new enough],
[gdb_cv_readline_ok],