[taler-exchange] 02/02: autoconf obsoletions, gitignore

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dold pushed a commit to branch master
in repository exchange.

commit 8c55968452b4c297660e2fa8fffa7e7df37908ba
Author: Florian Dold <florian@dold.me>
AuthorDate: Tue Jan 5 12:14:25 2021 +0100

    autoconf obsoletions, gitignore
---
 .gitignore      |  1 -
 configure.ac    | 13 +++++--------
 m4/.gitignore   |  6 ++++++
 m4/libcurl.m4   |  2 +-
 m4/libgcrypt.m4 |  2 +-
 m4/libgnurl.m4  |  2 +-
 6 files changed, 14 insertions(+), 12 deletions(-)

diff --git a/.gitignore b/.gitignore
index ac5ad8f4..fd235d95 100644
--- a/.gitignore
+++ b/.gitignore
@@ -27,7 +27,6 @@ config.sub
 libtool
 ltmain.sh
 test-driver
-m4/
 GPATH
 GRTAGS
 GTAGS
diff --git a/configure.ac b/configure.ac
index cc8accf4..edd8a83e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -21,10 +21,10 @@ AC_INIT([taler-exchange], [0.8.1], [taler-bug@gnunet.org])
 AC_CONFIG_AUX_DIR([build-aux])
 AC_CONFIG_SRCDIR([src/util/util.c])
 AC_CONFIG_HEADERS([taler_config.h])
-# support for non-recursive builds
 AC_CANONICAL_TARGET
 AC_CANONICAL_HOST
-AC_CANONICAL_SYSTEM
+AC_CANONICAL_BUILD
+# support for non-recursive builds
 AM_INIT_AUTOMAKE([subdir-objects 1.9 tar-pax])
 
 # pretty build rules
@@ -32,6 +32,8 @@ AM_SILENT_RULES([yes])
 
 AC_CONFIG_MACRO_DIR([m4])
 AC_PROG_AWK
+AC_PROG_CC
+# FIXME: AC_PROG_CC_C99 is obsolete, remove for autoconf 2.70
 AC_PROG_CC_C99
 AC_PROG_OBJC
 AC_PROG_INSTALL
@@ -60,12 +62,7 @@ AM_CONDITIONAL([DOC_ONLY], [test "x$doc_only" = "xyes"])
 # Not indented, as most of the file falls under this one...
 AS_IF([test "x$doc_only" != xyes],[
 
-# Checks for programs.
-
-AC_PROG_CC
-AC_PROG_CC_C99
-
-
+# Force some CFLAGS
 CFLAGS="-Wall -Wno-address-of-packed-member $CFLAGS"
 
 # Checks for header files.
diff --git a/m4/.gitignore b/m4/.gitignore
new file mode 100644
index 00000000..1f12f43d
--- /dev/null
+++ b/m4/.gitignore
@@ -0,0 +1,6 @@
+# These are added by "autoreconf -if"
+libtool.m4
+ltoptions.m4
+ltsugar.m4
+ltversion.m4
+lt~obsolete.m4
diff --git a/m4/libcurl.m4 b/m4/libcurl.m4
index a84077a5..047260ba 100644
--- a/m4/libcurl.m4
+++ b/m4/libcurl.m4
@@ -61,7 +61,7 @@ AC_DEFUN([LIBCURL_CHECK_CONFIG],
   AH_TEMPLATE([LIBCURL_PROTOCOL_SMTP],[Defined if libcurl supports SMTP])
 
   AC_ARG_WITH(libcurl,
-     AC_HELP_STRING([--with-libcurl=PREFIX],[look for the curl library in 
PREFIX/lib and headers in PREFIX/include]),
+     AS_HELP_STRING([--with-libcurl=PREFIX],[look for the curl library in 
PREFIX/lib and headers in PREFIX/include]),
      [_libcurl_with=$withval],[_libcurl_with=ifelse([$1],,[yes],[$1])])
 
   if test "$_libcurl_with" != "no" ; then
diff --git a/m4/libgcrypt.m4 b/m4/libgcrypt.m4
index 6cf482fc..9a29eb5b 100644
--- a/m4/libgcrypt.m4
+++ b/m4/libgcrypt.m4
@@ -23,7 +23,7 @@ dnl
 AC_DEFUN([AM_PATH_LIBGCRYPT],
 [ AC_REQUIRE([AC_CANONICAL_HOST])
   AC_ARG_WITH(libgcrypt-prefix,
-            AC_HELP_STRING([--with-libgcrypt-prefix=PFX],
+            AS_HELP_STRING([--with-libgcrypt-prefix=PFX],
                            [prefix where LIBGCRYPT is installed (optional)]),
      libgcrypt_config_prefix="$withval", libgcrypt_config_prefix="")
   if test x$libgcrypt_config_prefix != x ; then
diff --git a/m4/libgnurl.m4 b/m4/libgnurl.m4
index da72e5e8..41270937 100644
--- a/m4/libgnurl.m4
+++ b/m4/libgnurl.m4
@@ -61,7 +61,7 @@ AC_DEFUN([LIBGNURL_CHECK_CONFIG],
   AH_TEMPLATE([LIBGNURL_PROTOCOL_SMTP],[Defined if libgnurl supports SMTP])
 
   AC_ARG_WITH(libgnurl,
-     AC_HELP_STRING([--with-libgnurl=PREFIX],[look for the gnurl library in 
PREFIX/lib and headers in PREFIX/include]),
+     AS_HELP_STRING([--with-libgnurl=PREFIX],[look for the gnurl library in 
PREFIX/lib and headers in PREFIX/include]),
      [_libgnurl_with=$withval],[_libgnurl_with=ifelse([$1],,[yes],[$1])])
 
   if test "$_libgnurl_with" != "no" ; then

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