Remove trailing whitespaces and change tabs to spaces

1 files changed, 413 insertions, 413 deletions

diff --git a/configure.ac b/configure.ac
index ddb8a915..e413be09 100644
--- a/configure.ac
+++ b/configure.ac
@@ -51,25 +51,25 @@ AC_SUBST(XSEL_MAN_PATH)
 
 AC_MSG_CHECKING([if autoconf needs to be run])
 if test configure -ot configure.ac; then
-	AC_MSG_RESULT([yes])
-	if which autoconf >/dev/null; then
-		# No need to provide any error messages if autoconf fails, the
-		# shell and autconf should take care of that themselves
-		AC_MSG_NOTICE([running autoconf])
-		if autoconf; then
-			./configure "$@"
-			exit
-		fi
-		exit 1
-	else
-		AC_MSG_ERROR(
-			[cannot find the autoconf program in your path.
+  AC_MSG_RESULT([yes])
+  if which autoconf >/dev/null; then
+    # No need to provide any error messages if autoconf fails, the
+    # shell and autconf should take care of that themselves
+    AC_MSG_NOTICE([running autoconf])
+    if autoconf; then
+      ./configure "$@"
+      exit
+    fi
+    exit 1
+  else
+    AC_MSG_ERROR(
+      [cannot find the autoconf program in your path.
 This program needs to be run whenever the configure.ac file is modified.
 Please install it and try again.]
-		)
-	fi
+    )
+  fi
 else
-	AC_MSG_RESULT([no])
+  AC_MSG_RESULT([no])
 fi
 
 
@@ -82,19 +82,19 @@ fi
 
 AC_MSG_CHECKING([if autoheader needs to be run])
 if test ! -f ./config.h.in -o config.h.in -ot configure.ac; then
-	AC_MSG_RESULT([yes])
-	if which autoheader >/dev/null; then
-		AC_MSG_NOTICE([running autoheader])
-		autoheader || exit 1
-	else
-		AC_MSG_ERROR(
-			[cannot find the autoheader program in your path.
+  AC_MSG_RESULT([yes])
+  if which autoheader >/dev/null; then
+    AC_MSG_NOTICE([running autoheader])
+    autoheader || exit 1
+  else
+    AC_MSG_ERROR(
+      [cannot find the autoheader program in your path.
 This program needs to be run whenever the configure.ac file is modified.
 Please install it and try again.]
-		)
-	fi
+    )
+  fi
 else
-	AC_MSG_RESULT([no])
+  AC_MSG_RESULT([no])
 fi
 
 
@@ -110,30 +110,30 @@ fi
 
 for i in /usr/pkg /sw /opt /opt/local /usr/local; do
 
-	AC_MSG_CHECKING([for $i/include include directory])
-	if test -d $i/include; then
-		AC_MSG_RESULT(yes)
-		CXXFLAGS="$CXXFLAGS -I$i/include/"
-		CFLAGS="$CFLAGS -I$i/include/"
-	else
-	AC_MSG_RESULT(no)
-	fi
-
-	AC_MSG_CHECKING([for $i/lib library directory])
-	if test -d $i/lib; then
-		AC_MSG_RESULT(yes)
-		LDFLAGS="$LDFLAGS -L$i/lib/ -Wl,-rpath,$i/lib/"
-	else
-		AC_MSG_RESULT(no)
-	fi
-
-	AC_MSG_CHECKING([for $i/bin command directory])
-	if test -d $i/bin; then
-		AC_MSG_RESULT(yes)
-		optbindirs="$optbindirs $i/bin"
-	else
-		AC_MSG_RESULT(no)
-	fi
+  AC_MSG_CHECKING([for $i/include include directory])
+  if test -d $i/include; then
+    AC_MSG_RESULT(yes)
+    CXXFLAGS="$CXXFLAGS -I$i/include/"
+    CFLAGS="$CFLAGS -I$i/include/"
+  else
+  AC_MSG_RESULT(no)
+  fi
+
+  AC_MSG_CHECKING([for $i/lib library directory])
+  if test -d $i/lib; then
+    AC_MSG_RESULT(yes)
+    LDFLAGS="$LDFLAGS -L$i/lib/ -Wl,-rpath,$i/lib/"
+  else
+    AC_MSG_RESULT(no)
+  fi
+
+  AC_MSG_CHECKING([for $i/bin command directory])
+  if test -d $i/bin; then
+    AC_MSG_RESULT(yes)
+    optbindirs="$optbindirs $i/bin"
+  else
+    AC_MSG_RESULT(no)
+  fi
 
 done
 
@@ -176,24 +176,24 @@ AC_CHECK_PROG( SEQ_FALLBACK, seq, [ ], [seq])
 
 if test "$SEQ_FALLBACK"; then
 
-	#
-	# We already have seq. Check if the seq version is installed by an
-	# earlier fish version. If it is, we'll replace it.
-	#
+  #
+  # We already have seq. Check if the seq version is installed by an
+  # earlier fish version. If it is, we'll replace it.
+  #
 
-	file=`which seq`
-	if test -f "$file"; then
+  file=`which seq`
+  if test -f "$file"; then
 
-		AC_MSG_CHECKING([if seq comes from a previous fish version])
-		shebang=`grep "\(^#!/.*/fish\|^#!/usr/bin/env fish\)" $file`
+    AC_MSG_CHECKING([if seq comes from a previous fish version])
+    shebang=`grep "\(^#!/.*/fish\|^#!/usr/bin/env fish\)" $file`
 
-		if test "$shebang"; then
-			SEQ_FALLBACK=seq
-			AC_MSG_RESULT(yes, replace it)
-		else
-			AC_MSG_RESULT(no, keep it)
-		fi
-	fi
+    if test "$shebang"; then
+      SEQ_FALLBACK=seq
+      AC_MSG_RESULT(yes, replace it)
+    else
+      AC_MSG_RESULT(no, keep it)
+    fi
+  fi
 fi
 
 
@@ -202,21 +202,21 @@ fi
 #
 
 AC_ARG_WITH(
-	xsel,
-	AC_HELP_STRING(
-		[--without-xsel],
-		[do not build the xsel program needed for X clipboard integration.
-		 If build xsel, it will be configured with the same options as fish.]
-	),
-	[xsel=$withval],
-	[xsel=with_xsel]
+  xsel,
+  AC_HELP_STRING(
+    [--without-xsel],
+    [do not build the xsel program needed for X clipboard integration.
+     If build xsel, it will be configured with the same options as fish.]
+  ),
+  [xsel=$withval],
+  [xsel=with_xsel]
 )
 
 if [[ "$xsel" = "with_xsel" ]]; then
-	XSEL=xsel-1.2.0
-	XSEL_BIN=$XSEL/xsel
-	XSEL_MAN=xsel.1x
-	XSEL_MAN_PATH=$XSEL/xsel.1x
+  XSEL=xsel-1.2.0
+  XSEL_BIN=$XSEL/xsel
+  XSEL_MAN=xsel.1x
+  XSEL_MAN_PATH=$XSEL/xsel.1x
 fi
 
 
@@ -225,17 +225,17 @@ fi
 #
 
 AC_ARG_WITH(
-	gettext,
-	AC_HELP_STRING(
-		[--without-gettext],
-		[do not translate messages, even if gettext is available]
-	),
-	[local_gettext=$withval],
-	[local_gettext=yes]
+  gettext,
+  AC_HELP_STRING(
+    [--without-gettext],
+    [do not translate messages, even if gettext is available]
+  ),
+  [local_gettext=$withval],
+  [local_gettext=yes]
 )
 
 if test x$local_gettext != xno; then
-	AC_DEFINE([USE_GETTEXT],[1],[Perform string translations with gettext])
+  AC_DEFINE([USE_GETTEXT],[1],[Perform string translations with gettext])
 fi
 
 
@@ -254,31 +254,31 @@ CXXFLAGS="$CXXFLAGS -D_LARGEFILE_SOURCE=1 -D_FILE_OFFSET_BITS=64"
 
 if test "$GCC" = yes; then
 
-	#
-	# -fno-optimize-sibling-calls seems to work around a bug where
-	# sending a SIGWINCH to fish on NetBSD 3.0 causes fish to exit when
-	# compiled with GCC 3.3.3. This is probably either a compiler bug
-	# or a libc bug, but adding this flag seems to fix things for
-	# now. Long term, the real problem should be tracked down and
-	# truly fixed, at which point we can remove this silly flag. This
-	# bug has been verified to not exist on Linux using GCC 3.3.3.
-	#
+  #
+  # -fno-optimize-sibling-calls seems to work around a bug where
+  # sending a SIGWINCH to fish on NetBSD 3.0 causes fish to exit when
+  # compiled with GCC 3.3.3. This is probably either a compiler bug
+  # or a libc bug, but adding this flag seems to fix things for
+  # now. Long term, the real problem should be tracked down and
+  # truly fixed, at which point we can remove this silly flag. This
+  # bug has been verified to not exist on Linux using GCC 3.3.3.
+  #
 
-	CXXFLAGS="$CXXFLAGS -fno-optimize-sibling-calls"
+  CXXFLAGS="$CXXFLAGS -fno-optimize-sibling-calls"
 
 
-	#
-	# -Wall is there to keep me on my toes
-	#
+  #
+  # -Wall is there to keep me on my toes
+  #
 
-	# Some day...
-	CXXFLAGS="$CXXFLAGS -Wall"
+  # Some day...
+  CXXFLAGS="$CXXFLAGS -Wall"
 
-	#
-	# This is needed in order to get the really cool backtraces
-	#
+  #
+  # This is needed in order to get the really cool backtraces
+  #
 
-	LDFLAGS_FISH="$LDFLAGS_FISH -rdynamic"
+  LDFLAGS_FISH="$LDFLAGS_FISH -rdynamic"
 
 fi
 
@@ -291,38 +291,38 @@ fi
 
 AC_MSG_CHECKING([if we are compiling against glibc])
 AC_RUN_IFELSE(
-	[
-		AC_LANG_PROGRAM(
-			[
-				#include <stdlib.h>
-				#ifdef __GLIBC__
-				#define STATUS 0
-				#else
-				#define STATUS 1
-				#endif
-			],
-			[
-				return STATUS;
-			]
-		)
-	],
-	[glibc=yes],
-	[glibc=no]
+  [
+    AC_LANG_PROGRAM(
+      [
+        #include <stdlib.h>
+        #ifdef __GLIBC__
+        #define STATUS 0
+        #else
+        #define STATUS 1
+        #endif
+      ],
+      [
+        return STATUS;
+      ]
+    )
+  ],
+  [glibc=yes],
+  [glibc=no]
 )
 
 if test "$glibc" = yes; then
-	AC_MSG_RESULT(yes)
+  AC_MSG_RESULT(yes)
 
-	#
-	# This gives us access to prototypes for gnu extensions and C99
-	# functions if we are compiling agains glibc. All GNU extensions
-	# that are used must have a fallback implementation available in
-	# fallback.h, in order to keep fish working on non-gnu platforms.
-	#
+  #
+  # This gives us access to prototypes for gnu extensions and C99
+  # functions if we are compiling agains glibc. All GNU extensions
+  # that are used must have a fallback implementation available in
+  # fallback.h, in order to keep fish working on non-gnu platforms.
+  #
 
-	CFLAGS="$CFLAGS -D_GNU_SOURCE=1 -D_ISO99_SOURCE=1"
+  CFLAGS="$CFLAGS -D_GNU_SOURCE=1 -D_ISO99_SOURCE=1"
 else
-	AC_MSG_RESULT(no)
+  AC_MSG_RESULT(no)
 fi
 
 
@@ -340,7 +340,7 @@ fi
 AC_CANONICAL_TARGET
 
 if test $target_cpu = powerpc; then
-	AC_DEFINE([TPUTS_KLUDGE],[1],[Evil kludge to get Power based machines to work])
+  AC_DEFINE([TPUTS_KLUDGE],[1],[Evil kludge to get Power based machines to work])
 fi
 
 
@@ -350,38 +350,38 @@ fi
 
 AC_MSG_CHECKING([if we are under Solaris])
 case $target_os in
-	solaris*)
-		AC_DEFINE( __EXTENSIONS__, 1, [Macro to enable additional prototypes under Solaris])
-		AC_MSG_RESULT(yes)
-		;;
-	*)
-		AC_MSG_RESULT(no)
-		;;
+  solaris*)
+    AC_DEFINE( __EXTENSIONS__, 1, [Macro to enable additional prototypes under Solaris])
+    AC_MSG_RESULT(yes)
+    ;;
+  *)
+    AC_MSG_RESULT(no)
+    ;;
 esac
 
 # Check for Solaris curses tputs having fixed length parameter list.
 AC_MSG_CHECKING([if we are using non varargs tparm.])
 AC_COMPILE_IFELSE(
-	[
-		AC_LANG_PROGRAM(
-			[
-				#include <curses.h>
-				#include <term.h>
-			],
-			[
-				tparm( "" );
-			]
-		)
-	],
-	[tparm_solaris_kludge=no],
-	[tparm_solaris_kludge=yes]
+  [
+    AC_LANG_PROGRAM(
+      [
+        #include <curses.h>
+        #include <term.h>
+      ],
+      [
+        tparm( "" );
+      ]
+    )
+  ],
+  [tparm_solaris_kludge=no],
+  [tparm_solaris_kludge=yes]
 )
 if test "x$tparm_solaris_kludge" = "xyes"; then
-	AC_MSG_RESULT(yes)
-	AC_DEFINE(
-		[TPARM_SOLARIS_KLUDGE],
-		[1],
-		[Define to 1 if tparm accepts a fixed amount of paramters.]
+  AC_MSG_RESULT(yes)
+  AC_DEFINE(
+    [TPARM_SOLARIS_KLUDGE],
+    [1],
+    [Define to 1 if tparm accepts a fixed amount of paramters.]
   )
 else
   AC_MSG_RESULT(no)
@@ -394,14 +394,14 @@ fi
 
 AC_MSG_CHECKING([if we are under BSD])
 case $target_os in
-	*bsd*)
-		AC_DEFINE( __BSD_VISIBLE, 1, [Macro to enable additional prototypes under BSD])
-		AC_DEFINE( _NETBSD_SOURCE, 1, [Macro to enable additional prototypes under BSD])
-		AC_MSG_RESULT(yes)
-		;;
-	*)
-		AC_MSG_RESULT(no)
-		;;
+  *bsd*)
+    AC_DEFINE( __BSD_VISIBLE, 1, [Macro to enable additional prototypes under BSD])
+    AC_DEFINE( _NETBSD_SOURCE, 1, [Macro to enable additional prototypes under BSD])
+    AC_MSG_RESULT(yes)
+    ;;
+  *)
+    AC_MSG_RESULT(no)
+    ;;
 esac
 
 
@@ -413,7 +413,7 @@ esac
 #
 
 if [[ "$prefix" = NONE ]]; then
-	prefix=/usr/local
+  prefix=/usr/local
 fi
 
 
@@ -425,9 +425,9 @@ fi
 AC_ARG_VAR( [docdir], [Documentation direcotry] )
 
 if test -z $docdir; then
-	docdir=$datadir/doc/fish
+  docdir=$datadir/doc/fish
 else
-	docdir=$docdir
+  docdir=$docdir
 fi
 
 
@@ -453,9 +453,9 @@ AC_CHECK_FILES([/proc/self/stat])
 #
 
 AC_DEFINE(
-	[HAVE_TRANSLATE_H],
-	[1],
-	[Define to 1 if the wgettext function should be used for translating strings.]
+  [HAVE_TRANSLATE_H],
+  [1],
+  [Define to 1 if the wgettext function should be used for translating strings.]
 )
 
 
@@ -484,7 +484,7 @@ LIBS=$LIBS_COMMON
 LIBS_COMMON=$LIBS
 LIBS="$LIBS_SHARED"
 if test x$local_gettext != xno; then
-	AC_SEARCH_LIBS( gettext, intl,,)
+  AC_SEARCH_LIBS( gettext, intl,,)
 fi
 
 # Check for libiconv_open if we can't find iconv_open. Silly OS X does
@@ -501,7 +501,7 @@ LIBS=$LIBS_COMMON
 LIBS_COMMON=$LIBS
 LIBS="$LIBS_SHARED"
 if test x$local_gettext != xno; then
-	AC_SEARCH_LIBS( gettext, intl,,)
+  AC_SEARCH_LIBS( gettext, intl,,)
 fi
 LIBS_FISH_INDENT=$LIBS
 LIBS=$LIBS_COMMON
@@ -513,7 +513,7 @@ LIBS=$LIBS_COMMON
 LIBS_COMMON=$LIBS
 LIBS="$LIBS_SHARED"
 if test x$local_gettext != xno; then
-	AC_SEARCH_LIBS( gettext, intl,,)
+  AC_SEARCH_LIBS( gettext, intl,,)
 fi
 AC_SEARCH_LIBS( iconv_open, iconv, , [AC_SEARCH_LIBS( libiconv_open, iconv, , [AC_MSG_ERROR([Could not find an iconv implementation, needed to build fish])] )] )
 LIBS_FISH_PAGER=$LIBS
@@ -526,7 +526,7 @@ LIBS=$LIBS_COMMON
 LIBS_COMMON=$LIBS
 LIBS="$LIBS_SHARED"
 if test x$local_gettext != xno; then
-	AC_SEARCH_LIBS( gettext, intl,,)
+  AC_SEARCH_LIBS( gettext, intl,,)
 fi
 AC_SEARCH_LIBS( iconv_open, iconv, , [AC_SEARCH_LIBS( libiconv_open, iconv, , [AC_MSG_ERROR([Could not find an iconv implementation, needed to build fish])] )] )
 LIBS_FISHD=$LIBS
@@ -539,7 +539,7 @@ LIBS=$LIBS_COMMON
 LIBS_COMMON=$LIBS
 LIBS="$LIBS_SHARED"
 if test x$local_gettext != xno; then
-	AC_SEARCH_LIBS( gettext, intl,,)
+  AC_SEARCH_LIBS( gettext, intl,,)
 fi
 LIBS_MIMEDB=$LIBS
 LIBS=$LIBS_COMMON
@@ -552,7 +552,7 @@ LIBS=$LIBS_COMMON
 LIBS_COMMON=$LIBS
 LIBS="$LIBS_SHARED"
 if test x$local_gettext != xno; then
-	AC_SEARCH_LIBS( gettext, intl,,)
+  AC_SEARCH_LIBS( gettext, intl,,)
 fi
 LIBS_SET_COLOR=$LIBS
 LIBS=$LIBS_COMMON
@@ -564,15 +564,15 @@ LIBS=$LIBS_COMMON
 AC_CHECK_HEADERS([getopt.h termio.h sys/resource.h term.h ncurses/term.h ncurses.h curses.h stropts.h siginfo.h sys/select.h sys/ioctl.h sys/termios.h libintl.h execinfo.h spawn.h])
 
 AC_CHECK_HEADER(
-	[regex.h],
-	[
-		AC_DEFINE(
-			[HAVE_REGEX_H],
-			[1],
-			[Define to 1 if you have the <regex.h> header file.]
-		)
-	],
-	[AC_MSG_ERROR([Could not find the header regex.h, needed to build fish])]
+  [regex.h],
+  [
+    AC_DEFINE(
+      [HAVE_REGEX_H],
+      [1],
+      [Define to 1 if you have the <regex.h> header file.]
+    )
+  ],
+  [AC_MSG_ERROR([Could not find the header regex.h, needed to build fish])]
 )
 
 
@@ -612,78 +612,78 @@ local_found_posix_switch=no
 
 for i in "" "-D_POSIX_C_SOURCE=200112L" "-D_XOPEN_SOURCE=600 -D_POSIX_C_SOURCE=200112L"; do
 
-	AC_MSG_CHECKING( if switches \"$i\" works)
-	CFLAGS="$XCFLAGS $i"
-
-	#
-	# Try to run this program, which should test various extensions
-	# and Posix functionality. If this program works, then everything
-	# should work. Hopefully.
-	#
-
-	AC_TRY_LINK(
-		[
-			#include <stdlib.h>
-			#include <stdio.h>
-			#include <sys/types.h>
-
-			/* POSIX, C89 and C99: POSIX extends this header.
-			 * For: kill(), killpg(), siginfo_t, sigset_t,
-			 * struct sigaction, sigemptyset(), sigaction(),
-			 * SIGIO and SIGWINCH.  */
-			#include <signal.h>
-
-			#ifdef HAVE_SIGINFO_H
-			/* Neither POSIX, C89 nor C99: Solaris-specific (others?).
-			 * For: siginfo_t (also defined by signal.h when in
-			 * POSIX/extensions mode). */
-			#include <siginfo.h>
-			#endif
-
-			#ifdef HAVE_SYS_TERMIOS_H
-			/* Neither POSIX, C89 nor C99: a common extension.
-			 * For: TIOCGWINSZ and struct winsize (under at least
-			 * Solaris, NetBSD and (dual-listed) FreeBSD). */
-			#include <sys/termios.h>
-			#endif
-
-			#ifdef HAVE_SYS_IOCTL_H
-			/* As above (under at least Linux and FreeBSD). */
-			#include <sys/ioctl.h>
-			#endif
-		],
-		[
-			/* Avert high-level optimisation, by making the program's
-			 * return value depend on all tested identifiers. */
-			long ret = 0;
-			/* POSIX only: might be unhidden by _POSIX_C_SOURCE. */
-			struct sigaction sa;
-			sigset_t ss;
-			siginfo_t info;
-			ret += (long)(void *)&info + kill( 0, 0 ) +
-				sigaction( 0, &sa, 0 ) + sigemptyset( &ss );
-			/* Extended-POSIX: might be unhidden by _XOPEN_SOURCE. */
-			ret += killpg( 0, 0 );
-			/* Non-standard: might be hidden by the macros. */
-			{
-				struct winsize termsize;
-				ret += (long)(void *)&termsize;
-				ret += SIGWINCH + TIOCGWINSZ + SIGIO;
-			}
-			return ret;
-
-		],
-		local_cv_use__posix_c_source=yes,
-		local_cv_use__posix_c_source=no,
-	)
-
-	if test x$local_cv_use__posix_c_source = xyes; then
-		AC_MSG_RESULT( yes )
-		local_found_posix_switch=yes
-		break;
-	else
-		AC_MSG_RESULT( no )
-	fi
+  AC_MSG_CHECKING( if switches \"$i\" works)
+  CFLAGS="$XCFLAGS $i"
+
+  #
+  # Try to run this program, which should test various extensions
+  # and Posix functionality. If this program works, then everything
+  # should work. Hopefully.
+  #
+
+  AC_TRY_LINK(
+    [
+      #include <stdlib.h>
+      #include <stdio.h>
+      #include <sys/types.h>
+
+      /* POSIX, C89 and C99: POSIX extends this header.
+       * For: kill(), killpg(), siginfo_t, sigset_t,
+       * struct sigaction, sigemptyset(), sigaction(),
+       * SIGIO and SIGWINCH.  */
+      #include <signal.h>
+
+      #ifdef HAVE_SIGINFO_H
+      /* Neither POSIX, C89 nor C99: Solaris-specific (others?).
+       * For: siginfo_t (also defined by signal.h when in
+       * POSIX/extensions mode). */
+      #include <siginfo.h>
+      #endif
+
+      #ifdef HAVE_SYS_TERMIOS_H
+      /* Neither POSIX, C89 nor C99: a common extension.
+       * For: TIOCGWINSZ and struct winsize (under at least
+       * Solaris, NetBSD and (dual-listed) FreeBSD). */
+      #include <sys/termios.h>
+      #endif
+
+      #ifdef HAVE_SYS_IOCTL_H
+      /* As above (under at least Linux and FreeBSD). */
+      #include <sys/ioctl.h>
+      #endif
+    ],
+    [
+      /* Avert high-level optimisation, by making the program's
+       * return value depend on all tested identifiers. */
+      long ret = 0;
+      /* POSIX only: might be unhidden by _POSIX_C_SOURCE. */
+      struct sigaction sa;
+      sigset_t ss;
+      siginfo_t info;
+      ret += (long)(void *)&info + kill( 0, 0 ) +
+        sigaction( 0, &sa, 0 ) + sigemptyset( &ss );
+      /* Extended-POSIX: might be unhidden by _XOPEN_SOURCE. */
+      ret += killpg( 0, 0 );
+      /* Non-standard: might be hidden by the macros. */
+      {
+        struct winsize termsize;
+        ret += (long)(void *)&termsize;
+        ret += SIGWINCH + TIOCGWINSZ + SIGIO;
+      }
+      return ret;
+
+    ],
+    local_cv_use__posix_c_source=yes,
+    local_cv_use__posix_c_source=no,
+  )
+
+  if test x$local_cv_use__posix_c_source = xyes; then
+    AC_MSG_RESULT( yes )
+    local_found_posix_switch=yes
+    break;
+  else
+    AC_MSG_RESULT( no )
+  fi
 
 done
 
@@ -694,7 +694,7 @@ done
 #
 
 if test ! x$local_found_posix_switch = xyes; then
-	CFLAGS="$XCFLAGS"
+  CFLAGS="$XCFLAGS"
 fi
 
 
@@ -713,7 +713,7 @@ AC_CHECK_FUNCS( dcgettext backtrace backtrace_symbols sysconf )
 #
 
 if test x$local_gettext != xno; then
-	AC_CHECK_FUNC( gettext, HAVE_GETTEXT=1, HAVE_GETTEXT=0 )
+  AC_CHECK_FUNC( gettext, HAVE_GETTEXT=1, HAVE_GETTEXT=0 )
 fi
 
 #
@@ -728,35 +728,35 @@ fi
 
 AC_MSG_CHECKING([if realpath accepts null for its second argument])
 AC_RUN_IFELSE(
-	[
-		AC_LANG_PROGRAM(
-			[
-				#include <limits.h>
-				#include <errno.h>
-				#include <stdlib.h>
-			],
-			[
-				int status;
-				char *res;
-				res = realpath( "somefile", 0 );
-				status = !(res != 0 || errno == ENOENT);
-				exit( status );
-			]
-		)
-	],
-	[have_realpath_null=yes],
-	[have_realpath_null=no]
+  [
+    AC_LANG_PROGRAM(
+      [
+        #include <limits.h>
+        #include <errno.h>
+        #include <stdlib.h>
+      ],
+      [
+        int status;
+        char *res;
+        res = realpath( "somefile", 0 );
+        status = !(res != 0 || errno == ENOENT);
+        exit( status );
+      ]
+    )
+  ],
+  [have_realpath_null=yes],
+  [have_realpath_null=no]
 )
 
 if test "$have_realpath_null" = yes; then
-	AC_MSG_RESULT(yes)
-	AC_DEFINE(
-		[HAVE_REALPATH_NULL],
-		[1],
-		[Define to 1 if realpath accepts null for its second argument.]
-	)
+  AC_MSG_RESULT(yes)
+  AC_DEFINE(
+    [HAVE_REALPATH_NULL],
+    [1],
+    [Define to 1 if realpath accepts null for its second argument.]
+  )
 else
-	AC_MSG_RESULT(no)
+  AC_MSG_RESULT(no)
 fi
 
 
@@ -766,30 +766,30 @@ fi
 
 AC_MSG_CHECKING([if struct winsize and TIOCGWINSZ exist])
 AC_LINK_IFELSE(
-	[
-		AC_LANG_PROGRAM(
-			[
-				#ifdef HAVE_SYS_TERMIOS_H
-				#include <sys/termios.h>
-				#endif
-
-				#ifdef HAVE_SYS_IOCTL_H
-				#include <sys/ioctl.h>
-				#endif
-			],
-			[
-				struct winsize termsize = {0};
-				TIOCGWINSZ;
-			]
-		)
-	],
-	[
-		AC_MSG_RESULT(yes);
-		AC_DEFINE([HAVE_WINSIZE], [1], [Define to 1 if the winsize struct and TIOCGWINSZ macro exist])
-	],
-	[
-		AC_MSG_RESULT(no)
-	]
+  [
+    AC_LANG_PROGRAM(
+      [
+        #ifdef HAVE_SYS_TERMIOS_H
+        #include <sys/termios.h>
+        #endif
+
+        #ifdef HAVE_SYS_IOCTL_H
+        #include <sys/ioctl.h>
+        #endif
+      ],
+      [
+        struct winsize termsize = {0};
+        TIOCGWINSZ;
+      ]
+    )
+  ],
+  [
+    AC_MSG_RESULT(yes);
+    AC_DEFINE([HAVE_WINSIZE], [1], [Define to 1 if the winsize struct and TIOCGWINSZ macro exist])
+  ],
+  [
+    AC_MSG_RESULT(no)
+  ]
 )
 
 
@@ -800,30 +800,30 @@ AC_LINK_IFELSE(
 
 if test "$ac_cv_func_fwprintf" = yes; then
 
-	AC_MSG_CHECKING([if fwprintf is broken])
-	AC_RUN_IFELSE(
-		[
-			AC_LANG_PROGRAM(
-				[
-					#include <stdlib.h>
-					#include <stdio.h>
-					#include <locale.h>
-					#include <wchar.h>
-				],
-				[
-					setlocale( LC_ALL, "" );
-					fwprintf( stderr, L"%ls%ls", L"", L"fish:" );
-				]
-			)
-		],
-		[
-			AC_MSG_RESULT(no)
-		],
-		[
-			AC_MSG_RESULT([yes])
-			AC_DEFINE([HAVE_BROKEN_FWPRINTF], [1], [Define to 1 one if the implemented fwprintf is broken])
-		]
-	)
+  AC_MSG_CHECKING([if fwprintf is broken])
+  AC_RUN_IFELSE(
+    [
+      AC_LANG_PROGRAM(
+        [
+          #include <stdlib.h>
+          #include <stdio.h>
+          #include <locale.h>
+          #include <wchar.h>
+        ],
+        [
+          setlocale( LC_ALL, "" );
+          fwprintf( stderr, L"%ls%ls", L"", L"fish:" );
+        ]
+      )
+    ],
+    [
+      AC_MSG_RESULT(no)
+    ],
+    [
+      AC_MSG_RESULT([yes])
+      AC_DEFINE([HAVE_BROKEN_FWPRINTF], [1], [Define to 1 one if the implemented fwprintf is broken])
+    ]
+  )
 
 fi
 
@@ -831,89 +831,89 @@ fi
 # Check for _nl_msg_cat_cntr symbol
 AC_MSG_CHECKING([for _nl_msg_cat_cntr symbol])
 AC_TRY_LINK(
-	[
-		#if HAVE_LIBINTL_H
-		#include <libintl.h>
-		#endif
-	],
-	[
-		extern int  _nl_msg_cat_cntr;
-		int tmp = _nl_msg_cat_cntr;
-		exit(tmp);
-	],
-	have__nl_msg_cat_cntr=yes,
-	have__nl_msg_cat_cntr=no
+  [
+    #if HAVE_LIBINTL_H
+    #include <libintl.h>
+    #endif
+  ],
+  [
+    extern int  _nl_msg_cat_cntr;
+    int tmp = _nl_msg_cat_cntr;
+    exit(tmp);
+  ],
+  have__nl_msg_cat_cntr=yes,
+  have__nl_msg_cat_cntr=no
 )
 if test "$have__nl_msg_cat_cntr" = yes; then
-	AC_MSG_RESULT(yes)
-	AC_DEFINE(
-		[HAVE__NL_MSG_CAT_CNTR],
-		[1],
-		[Define to 1 if the _nl_msg_cat_cntr symbol is exported.]
-	)
+  AC_MSG_RESULT(yes)
+  AC_DEFINE(
+    [HAVE__NL_MSG_CAT_CNTR],
+    [1],
+    [Define to 1 if the _nl_msg_cat_cntr symbol is exported.]
+  )
 else
-	AC_MSG_RESULT(no)
+  AC_MSG_RESULT(no)
 fi
 
 # Check for __environ symbol
 AC_MSG_CHECKING([for __environ symbol])
 AC_TRY_LINK(
-	[
-		#include <unistd.h>
-	],
-	[
-		extern char **__environ;
-		char **tmp = __environ;
-		exit(tmp!=0);
-	],
-	have___environ=yes,
-	have___environ=no
+  [
+    #include <unistd.h>
+  ],
+  [
+    extern char **__environ;
+    char **tmp = __environ;
+    exit(tmp!=0);
+  ],
+  have___environ=yes,
+  have___environ=no
 )
 if test "$have___environ" = yes; then
-	AC_MSG_RESULT(yes)
-	AC_DEFINE(
-		[HAVE___ENVIRON],
-		[1],
-		[Define to 1 if the __environ symbol is exported.]
-	)
+  AC_MSG_RESULT(yes)
+  AC_DEFINE(
+    [HAVE___ENVIRON],
+    [1],
+    [Define to 1 if the __environ symbol is exported.]
+  )
 else
-	AC_MSG_RESULT(no)
+  AC_MSG_RESULT(no)
 fi
 
 # Check if getopt_long exists and works
 AC_MSG_CHECKING([if getopt_long exists and works])
 AC_TRY_LINK(
-	[
-		#if HAVE_GETOPT_H
-		#include <getopt.h>
-		#endif
-	],
-	[
-		static struct option
-			long_options[] =
-			{
-				0, 0, 0, 0
-			}
-		;
-		int opt = getopt_long( 0,
-							   0,
-							   0,
-							   long_options,
-							   0 );
-
-	],
-	have_working_getopt_long=yes,
-	have_working_getopt_long=no
+  [
+    #if HAVE_GETOPT_H
+    #include <getopt.h>
+    #endif
+  ],
+  [
+    static struct option
+      long_options[] =
+      {
+        0, 0, 0, 0
+      }
+    ;
+    int opt = getopt_long( 0,
+                 0,
+                 0,
+                 long_options,
+                 0 );
+
+  ],
+  have_working_getopt_long=yes,
+  have_working_getopt_long=no
 )
 if test "$have_working_getopt_long" = yes; then
-	AC_MSG_RESULT(yes)
-	AC_DEFINE(
-		[HAVE_WORKING_GETOPT_LONG],
-		[1],
-		[Define to 1 if getopt_long exists and works.]
-	)
+  AC_MSG_RESULT(yes)
+  AC_DEFINE(
+    [HAVE_WORKING_GETOPT_LONG],
+    [1],
+    [Define to 1 if getopt_long exists and works.]
+  )
 else
-	AC_MSG_RESULT(no)
+  AC_MSG_RESULT(no)
 fi
 
 # Check if del_curterm is broken - in that case we redefine
@@ -921,17 +921,17 @@ fi
 
 AC_MSG_CHECKING([If del_curterm is broken])
 case $target_os in
-	*bsd*)
-		AC_MSG_RESULT(yes)
-		AC_DEFINE(
-			[HAVE_BROKEN_DEL_CURTERM],
-			[1],
-			[del_curterm is broken, redefine it to a no-op to avoid a double-free bug]
-		)
-		;;
-	*)
-		AC_MSG_RESULT(no)
-		;;
+  *bsd*)
+    AC_MSG_RESULT(yes)
+    AC_DEFINE(
+      [HAVE_BROKEN_DEL_CURTERM],
+      [1],
+      [del_curterm is broken, redefine it to a no-op to avoid a double-free bug]
+    )
+    ;;
+  *)
+    AC_MSG_RESULT(no)
+    ;;
 esac
 
 # Tell the world what we know
@@ -939,15 +939,15 @@ AC_CONFIG_FILES([Makefile fish.spec Doxyfile.help seq])
 AC_OUTPUT
 
 if test ! x$local_found_posix_switch = xyes; then
-	echo "Can't find a combination of switches to enable common extensions like detecting window size."
-	echo "Some fish features may be disabled."
+  echo "Can't find a combination of switches to enable common extensions like detecting window size."
+  echo "Some fish features may be disabled."
 fi
 
 if [[ "$xsel" = "with_xsel" ]]; then
-	echo "Now configure xsel with $conf_arg"
-	rm -rf $XSEL
-	tar xf $XSEL.tar.gz
-	cd $XSEL && ./configure $conf_arg
+  echo "Now configure xsel with $conf_arg"
+  rm -rf $XSEL
+  tar xf $XSEL.tar.gz
+  cd $XSEL && ./configure $conf_arg
 fi
 echo "fish is now configured."
 echo "Use 'make' and 'make install' to build and install fish."