From 65b3fb51b83b5a37345c6a9ae7c77b2e9d3a6517 Mon Sep 17 00:00:00 2001 From: Mark Wielaard Date: Sat, 22 Oct 2022 21:58:19 +0200 Subject: [PATCH] configure.ac: Update AC_PROG_CC and AC_PROG_LEX for autoconf 2.70 With autoconf 2.70 we must use AC_PROG_CC (which will check for c11 and c99), for earlier versions we'll use AC_PROG_CC_C99. Also use AC_PROG_LEX([noyywrap]), the extra argument is ignored with earlier versions, but required for 2.70. Signed-off-by: Mark Wielaard --- ChangeLog | 5 +++++ configure.ac | 4 ++-- 2 files changed, 7 insertions(+), 2 deletions(-) diff --git a/ChangeLog b/ChangeLog index 6062418..ee566f5 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,8 @@ +2022-10-22 Mark Wielaard + + * configure.ac: Use AC_PROG_CC with autoconf 2.70, or AC_PROG_CC_C99 + for earlier versions. Use AC_PROG_LEX([noyywrap]). + 2022-09-13 Aleksei Vetrov * NEWS (libdwfl): Add dwfl_report_offline_memory. diff --git a/configure.ac b/configure.ac index 03b67a9..1084b46 100644 --- a/configure.ac +++ b/configure.ac @@ -88,11 +88,11 @@ AS_IF([test "$use_locks" = yes], AH_TEMPLATE([USE_LOCKS], [Defined if libraries should be thread-safe.]) -AC_PROG_CC_C99 +m4_version_prereq([2.70], [AC_PROG_CC], [AC_PROG_CC_C99]) AC_PROG_CXX AC_PROG_RANLIB AC_PROG_YACC -AM_PROG_LEX +AC_PROG_LEX([noyywrap]) # Only available since automake 1.12 m4_ifdef([AM_PROG_AR], [AM_PROG_AR]) AC_CHECK_TOOL([READELF], [readelf]) -- 2.7.4