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authorZack Weinberg <zackw@panix.com>2020-07-09 13:59:05 -0400
committerZack Weinberg <zackw@panix.com>2020-07-09 13:59:05 -0400
commit5016cdc03a57c6ab9ea3e41e4457a77353d82d36 (patch)
tree5a7c89e7de383f12c44a901b335a8469cb7ce0cc /NEWS
parentc6daae41276a49b52a9d5e2f70c95651364ed619 (diff)
downloadautoconf-5016cdc03a57c6ab9ea3e41e4457a77353d82d36.tar.gz
NEWS: mention that AS_INIT no longer embeds full paths to source files.
(Change made in c6daae41276a49b52a9d5e2f70c95651364ed619.) Also reorder some of the NEWS entries more logically.
Diffstat (limited to 'NEWS')
-rw-r--r--NEWS33
1 files changed, 21 insertions, 12 deletions
diff --git a/NEWS b/NEWS
index fc0fef80..c1a3e70e 100644
--- a/NEWS
+++ b/NEWS
@@ -24,16 +24,6 @@ GNU Autoconf NEWS - User visible changes.
$as_echo_n now elicits a warning in the 'obsolete' category.
The macros AS_ECHO and AS_ECHO_N should be used instead.
-** AC_CHECK_HEADER and AC_CHECK_HEADERS now default to doing only a
- compilation test. This completes the transition from preprocessor-
- based header tests begun in Autoconf 2.56.
-
- The double test that was the default since Autoconf 2.64 is no
- longer available. You can still request a preprocessor-only test
- by specifying '-' as the fourth argument to either macro, but this
- is now deprecated. If you really need that behavior use
- AC_PREPROC_IFELSE.
-
** When checking for missing templates, autoheader now takes any
templates defined in the inputs of secondary config headers into
account. This makes it possible to use AC_DEFINE for secondary
@@ -55,6 +45,9 @@ GNU Autoconf NEWS - User visible changes.
AC_CHECK_FUNCS_ONCE, AC_CHECK_HEADERS, AC_CHECK_HEADERS_ONCE,
AC_CONFIG_MACRO_DIRS, AC_CONFIG_SUBDIRS, and AC_REPLACE_FUNCS.
+** Man pages for config.guess and config.sub are no longer provided.
+ They were moved to the master source tree for config.guess and config.sub.
+
** Macros
- New macro AC_C__GENERIC.
@@ -108,6 +101,16 @@ GNU Autoconf NEWS - User visible changes.
- AT_TESTED arguments can use variable or command substitutions, including
in particular $EXEEXT
+- AC_CHECK_HEADER and AC_CHECK_HEADERS now default to doing only a
+ compilation test. This completes the transition from preprocessor-
+ based header tests begun in Autoconf 2.56.
+
+ The double test that was the default since Autoconf 2.64 is no
+ longer available. You can still request a preprocessor-only test
+ by specifying '-' as the fourth argument to either macro, but this
+ is now deprecated. If you really need that behavior use
+ AC_PREPROC_IFELSE.
+
- AC_INCLUDES_DEFAULT has been streamlined. It now assumes that the
ISO C90 headers 'stdlib.h' and 'string.h' are unconditionally
available, and does not include the pre-standard header 'memory.h'
@@ -143,8 +146,14 @@ GNU Autoconf NEWS - User visible changes.
use with multiple languages, rather than forcing all checks in the
language used by the first encounter of the macro.
-** Man pages for config.guess and config.sub are no longer provided.
-They were moved to the master source tree for config.guess and config.sub.
+- AS_INIT now writes only the base filename of the primary input file
+ into the generated script. This avoids embedding (part of) the path
+ to the source directory in generated files, which hinders build
+ reproducibility.
+
+ We believe this was the only case where generated file contents could
+ change depending on the build environment. If you find any other cases
+ please report them as bugs.
* Noteworthy changes in release 2.69 (2012-04-24) [stable]