autoconf: squash tabs in configure.ac

Be consistent through the whole file.

1 files changed, 30 insertions, 30 deletions

diff --git a/configure.ac b/configure.ac
index c439dbb..2c0eda8 100644
--- a/configure.ac
+++ b/configure.ac
@@ -17,8 +17,8 @@ m4_define([soversion_revision],  [4])
 m4_define([soversion_age],       [1])
 
 AC_INIT([rabbitmq-c], [major_version.minor_version.micro_version],
-	[https://github.com/alanxz/rabbitmq-c/issues], [rabbitmq-c],
-	[http://www.rabbitmq.com/])
+    [https://github.com/alanxz/rabbitmq-c/issues], [rabbitmq-c],
+    [http://www.rabbitmq.com/])
 AC_CONFIG_MACRO_DIR([m4])
 AM_INIT_AUTOMAKE([1.9 subdir-objects foreign -Wno-portability])
 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
@@ -31,9 +31,9 @@ LT_INIT([disable-static win32-dll])
 
 # Program checks
 m4_ifdef([AC_PROG_CC_89], [AC_PROG_CC_89],
-	 [AC_MSG_WARN([Attempt c89 workaround for old versions of autoconf])
-	  AC_PROG_CC
-	  AX_TRY_CFLAGS([-std=gnu90], [AX_CFLAGS([-std=gnu90])])])
+    [AC_MSG_WARN([Attempt c89 workaround for old versions of autoconf])
+    AC_PROG_CC
+    AX_TRY_CFLAGS([-std=gnu90], [AX_CFLAGS([-std=gnu90])])])
 PKG_PROG_PKG_CONFIG([0.17])
 
 # Environment setup
@@ -98,7 +98,7 @@ AC_SEARCH_LIBS([getaddrinfo], [socket], [],
                              [-lnsl])])
 AC_SEARCH_LIBS([socket], [socket], [],
                [AC_CHECK_LIB([socket], [socket],
-                             [LIBS="-lsocket -lnsl $LIBS"], 
+                             [LIBS="-lsocket -lnsl $LIBS"],
                              [AC_MSG_ERROR([cannot find socket library (library with socket symbol)])],
                              [-lnsl])])
 AC_SEARCH_LIBS([clock_gettime], [rt])
@@ -149,34 +149,34 @@ AS_IF([test "x$with_ssl" != "xno"],
 
 # Configure AMQP command-line tools
 AC_ARG_ENABLE([tools],
-	      [AS_HELP_STRING([--enable-tools],
-			      [build AMQP command-line tools @<:@auto@:>@])],,
-	      [enable_tools=auto])
+    [AS_HELP_STRING([--enable-tools],
+        [build AMQP command-line tools @<:@auto@:>@])],,
+    [enable_tools=auto])
 AS_IF([test "x$enable_tools" != "xno"],
       [AX_LIB_POPT([enable_tools=yes], [enable_tools=no])])
 AM_CONDITIONAL([TOOLS], [test "x$enable_tools" = "xyes"])
 
 # Configure command-line tool documentation
 AC_ARG_ENABLE([docs],
-	      [AS_HELP_STRING([--enable-docs],
-			[build command-line tool documentation @<:@auto@:>@])],,
-	       [AS_IF([test "x$enable_tools" = "xno"],
-		      [enable_docs=no],
-		      [enable_docs=auto])])
+    [AS_HELP_STRING([--enable-docs],
+        [build command-line tool documentation @<:@auto@:>@])],,
+    [AS_IF([test "x$enable_tools" = "xno"],
+        [enable_docs=no],
+        [enable_docs=auto])])
 AC_ARG_VAR([XMLTO], [xmlto command])
 AS_IF([test "x$enable_docs" != "xno"],
-      [AS_IF([test "x$XMLTO" = "x"],
-	     [AC_CHECK_PROGS([XMLTO], [xmlto])])
-       AS_IF([test "x$XMLTO" != "x"],
-	     [enable_docs=yes],
-	     [enable_docs=no])])
+    [AS_IF([test "x$XMLTO" = "x"],
+        [AC_CHECK_PROGS([XMLTO], [xmlto])])
+    AS_IF([test "x$XMLTO" != "x"],
+        [enable_docs=yes],
+        [enable_docs=no])])
 AM_CONDITIONAL([DOCS], [test "x$enable_docs" = "xyes"])
 
 # Configure examples
 AC_ARG_ENABLE([examples],
-	      [AS_HELP_STRING([--enable-examples],
-			      [build example code @<:@auto@:>@])],,
-	      [enable_examples=yes])
+    [AS_HELP_STRING([--enable-examples],
+        [build example code @<:@auto@:>@])],,
+    [enable_examples=yes])
 AM_CONDITIONAL([EXAMPLES], [test "x$enable_examples" = "xyes"])
 
 AC_SUBST([requires_private], [$ssl_pkg_required])
@@ -184,16 +184,16 @@ AC_SUBST([libs_private], [$LIBS])
 AC_DEFINE_UNQUOTED([AMQ_PLATFORM], ["$host_os"], [Host operating system string])
 AC_CONFIG_HEADERS([config.h])
 AC_CONFIG_FILES([
-	librabbitmq.pc
-	Makefile
+    librabbitmq.pc
+    Makefile
 ])
 AC_OUTPUT
 AC_MSG_RESULT([
 $PACKAGE_NAME build options:
-	Host: $host
-	Version: $VERSION
-	SSL/TLS: $with_ssl
-	Tools: $enable_tools
-	Documentation: $enable_docs
-	Examples: $enable_examples
+    Host: $host
+    Version: $VERSION
+    SSL/TLS: $with_ssl
+    Tools: $enable_tools
+    Documentation: $enable_docs
+    Examples: $enable_examples
 ])