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-rw-r--r--NEWS3
-rw-r--r--lib/autoconf/general.m415
-rw-r--r--lib/autoconf/status.m46
3 files changed, 22 insertions, 2 deletions
diff --git a/NEWS b/NEWS
index 7c165351..efade585 100644
--- a/NEWS
+++ b/NEWS
@@ -2,6 +2,9 @@ GNU Autoconf NEWS - User visible changes.
* Noteworthy changes in release ?.? (????-??-??) [?]
+** config.log properly escapes arguments in the header comment;
+ config.status --config output is now quoted in a more readable fashion
+
** Configure scripts now support a '--runstatedir' option, which
defaults to '${localstatedir}/run', and which can be used to place
per-process temporary runtime files (such as pid files) into '/run'
diff --git a/lib/autoconf/general.m4 b/lib/autoconf/general.m4
index 8a64b1de..5fde689b 100644
--- a/lib/autoconf/general.m4
+++ b/lib/autoconf/general.m4
@@ -1183,6 +1183,19 @@ fi])dnl
m4_define([_AC_INIT_CONFIG_LOG],
[m4_divert_text([INIT_PREPARE],
[m4_define([AS_MESSAGE_LOG_FD], 5)dnl
+ac_configure_args_raw=
+for ac_arg
+do
+ case $ac_arg in
+ *\'*)
+ ac_arg=`AS_ECHO(["$ac_arg"]) | sed "s/'/'\\\\\\\\''/g"` ;;
+ esac
+ AS_VAR_APPEND([ac_configure_args_raw], [" '$ac_arg'"])
+done
+ac_safe_unquote="[[a-zA-Z0-9_=\/,-]]"
+ac_configure_args_raw=`dnl
+AS_ECHO(["${ac_configure_args_raw} "]) |dnl
+sed "s/'\($ac_safe_unquote$ac_safe_unquote*\)' /\1 /g; s/ $//"`
cat >config.log <<_ACEOF
This file contains any messages produced by compilers while
running configure, to aid debugging if configure makes a mistake.
@@ -1191,7 +1204,7 @@ It was created by m4_ifset([AC_PACKAGE_NAME], [AC_PACKAGE_NAME ])dnl
$as_me[]m4_ifset([AC_PACKAGE_VERSION], [ AC_PACKAGE_VERSION]), which was
generated by m4_PACKAGE_STRING. Invocation command line was
- $ $[0] $[@]
+ $ $[0]$ac_configure_args_raw
_ACEOF
exec AS_MESSAGE_LOG_FD>>config.log
diff --git a/lib/autoconf/status.m4 b/lib/autoconf/status.m4
index 30a8a60c..c7d0ad0e 100644
--- a/lib/autoconf/status.m4
+++ b/lib/autoconf/status.m4
@@ -1431,8 +1431,12 @@ m4_if(m4_index(m4_defn([AC_PACKAGE_NAME]), [GNU ]), [0], [
General help using GNU software: <https://www.gnu.org/gethelp/>.])])"
_ACEOF
+ac_cs_config=`dnl
+AS_ECHO(["${ac_configure_args} "]) |dnl
+sed --posix "s/'\($ac_safe_unquote$ac_safe_unquote*\)' /\1 /g; s/ $//"`
+ac_cs_config_escaped=`AS_ECHO(["$ac_cs_config"]) | sed "s/^ //; s/'/'\\\\\\\\''/g"`
cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
-ac_cs_config="`AS_ECHO(["$ac_configure_args"]) | sed 's/^ //; s/[[\\""\`\$]]/\\\\&/g'`"
+ac_cs_config='$ac_cs_config_escaped'
ac_cs_version="\\
m4_ifset([AC_PACKAGE_NAME], [AC_PACKAGE_NAME ])config.status[]dnl
m4_ifset([AC_PACKAGE_VERSION], [ AC_PACKAGE_VERSION])