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| author | Alexandra Hájková <ahajkova@redhat.com> | 2021-11-18 03:49:52 -0500 |
|---|---|---|
| committer | Alexandra Hájková <ahajkova@redhat.com> | 2021-11-23 15:01:08 +0100 |
| commit | 7c26f8da3d267954f8a3a810c5ed9de09d15e6d4 (patch) | |
| tree | a6140630cea7643bd41801f2b1561ae3e115a234 | |
| parent | b69c9d41e89498442cb5af5287f378b3583dd445 (diff) | |
| download | binutils-gdb-7c26f8da3d267954f8a3a810c5ed9de09d15e6d4.tar.gz | |
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.
| -rw-r--r-- | gdb/config.in | 3 | ||||
| -rwxr-xr-x | gdb/configure | 17 | ||||
| -rw-r--r-- | gdb/configure.ac | 4 |
3 files changed, 24 insertions, 0 deletions
diff --git a/gdb/config.in b/gdb/config.in index 773a0ba91ef..4b8f1f7e1c6 100644 --- a/gdb/config.in +++ b/gdb/config.in @@ -382,6 +382,9 @@ /* Define if Python interpreter is being linked in. */ #undef HAVE_PYTHON +/* Define to 1 if you have the <readline/readline.h> header file. */ +#undef HAVE_READLINE_READLINE_H + /* Define to 1 if you have the `resize_term' function. */ #undef HAVE_RESIZE_TERM diff --git a/gdb/configure b/gdb/configure index fe685f2d3d5..90c1e3d7948 100755 --- a/gdb/configure +++ b/gdb/configure @@ -9224,6 +9224,23 @@ fi if test "$with_system_readline" = yes; then + for ac_header in readline/readline.h +do : + ac_fn_c_check_header_mongrel "$LINENO" "readline/readline.h" "ac_cv_header_readline_readline_h" "$ac_includes_default" +if test "x$ac_cv_header_readline_readline_h" = xyes; then : + cat >>confdefs.h <<_ACEOF +#define HAVE_READLINE_READLINE_H 1 +_ACEOF + readline_h=yes +else + readline_h=no +fi + +done + + if test "$readline_h" = "no"; then + as_fn_error $? "readline development packages are probably missing" "$LINENO" 5 + fi { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether system readline is new enough" >&5 $as_echo_n "checking whether system readline is new enough... " >&6; } if ${gdb_cv_readline_ok+:} false; then : diff --git a/gdb/configure.ac b/gdb/configure.ac index 56e8a2d8044..29c1c4589c9 100644 --- a/gdb/configure.ac +++ b/gdb/configure.ac @@ -596,6 +596,10 @@ AC_ARG_WITH([system-readline], [use installed readline library])]) if test "$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], |