From 50b37d4a27d3295a29afca2286f1a5a086142cec Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 28 Apr 2024 11:49:46 +0200 Subject: Adding upstream version 3.2.1+dfsg. Signed-off-by: Daniel Baumann --- m4/vl_lib_readline.m4 | 45 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 45 insertions(+) create mode 100644 m4/vl_lib_readline.m4 (limited to 'm4/vl_lib_readline.m4') diff --git a/m4/vl_lib_readline.m4 b/m4/vl_lib_readline.m4 new file mode 100644 index 0000000..f95be7b --- /dev/null +++ b/m4/vl_lib_readline.m4 @@ -0,0 +1,45 @@ +AC_DEFUN([VL_LIB_READLINE], [ + AC_CACHE_CHECK([for a readline compatible library], + vl_cv_lib_readline, [ + ORIG_LIBS="$LIBS" + for readline_lib in readline edit editline; do + for termcap_lib in "" termcap curses ncurses; do + if test -z "$termcap_lib"; then + TRY_LIB="-l$readline_lib" + else + TRY_LIB="-l$readline_lib -l$termcap_lib" + fi + LIBS="$ORIG_LIBS $TRY_LIB" + AC_TRY_LINK_FUNC(readline, vl_cv_lib_readline="$TRY_LIB") + if test -n "$vl_cv_lib_readline"; then + break + fi + done + if test -n "$vl_cv_lib_readline"; then + break + fi + done + if test -z "$vl_cv_lib_readline"; then + vl_cv_lib_readline="no" + LIBS="$ORIG_LIBS" + fi + ]) + + if test "$vl_cv_lib_readline" != "no"; then + LIBREADLINE="$vl_cv_lib_readline" + AC_DEFINE(HAVE_LIBREADLINE, 1, + [Define if you have a readline compatible library]) + AC_CHECK_HEADERS(readline.h readline/readline.h) + AC_CACHE_CHECK([whether readline supports history], + [vl_cv_lib_readline_history], [ + vl_cv_lib_readline_history="no" + AC_TRY_LINK_FUNC([add_history], [vl_cv_lib_readline_history="yes"]) + ]) + if test "$vl_cv_lib_readline_history" = "yes"; then + AC_DEFINE(HAVE_READLINE_HISTORY, 1, + [Define if your readline library has \`add_history']) + AC_CHECK_HEADERS(history.h readline/history.h) + fi + fi + AC_SUBST(LIBREADLINE) +])dnl -- cgit v1.2.3