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-rw-r--r--ChangeLog5
-rw-r--r--configure.ac4
2 files changed, 7 insertions, 2 deletions
diff --git a/ChangeLog b/ChangeLog
index 60624183..ee566f53 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2022-10-22 Mark Wielaard <mark@klomp.org>
+
+ * 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 <vvvvvv@google.com>
* NEWS (libdwfl): Add dwfl_report_offline_memory.
diff --git a/configure.ac b/configure.ac
index 03b67a9d..1084b469 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])