configure.ac: replace tabs with 4 spaces

1 files changed, 73 insertions, 73 deletions

diff --git a/configure.ac b/configure.ac
index de0cc22..2b66eae 100644
--- a/configure.ac
+++ b/configure.ac
@@ -28,12 +28,12 @@ LT_INIT([dlopen])
 AC_CONFIG_MACRO_DIR([m4])
 
 AC_ARG_ENABLE(
-	[tests],
-	AS_HELP_STRING(
-		[--enable-tests],
-		[perform tests]
-	),
-	[test "x$enable_tests" = "xyes"]
+    [tests],
+    AS_HELP_STRING(
+        [--enable-tests],
+        [perform tests]
+    ),
+    [test "x$enable_tests" = "xyes"]
 )
 AM_CONDITIONAL([TEST],[test "x$enable_tests" = "xyes"])
 
@@ -44,10 +44,10 @@ AC_PROG_SED
 
 # Checks for header files.
 AC_CHECK_HEADERS(
-	[errno.h err.h fcntl.h gelf.h libgen.h stdio.h stdlib.h string.h \
-	sys/mman.h sys/stat.h sys/types.h unistd.h],
-	[],
-	[AC_MSG_ERROR(["Missing necessary header"])]
+    [errno.h err.h fcntl.h gelf.h libgen.h stdio.h stdlib.h string.h \
+    sys/mman.h sys/stat.h sys/types.h unistd.h],
+    [],
+    [AC_MSG_ERROR(["Missing necessary header"])]
 )
 
 # Checks for DECLs.
@@ -68,92 +68,92 @@ AC_CHECK_FUNCS([memset strerror])
 # Note: this is always needed for fix-gnustack
 # and for paxctl-ng only with --enable-ptpax
 AC_CHECK_LIB(
-	[elf],
-	[elf_begin],
-	[],
-	[AC_MSG_ERROR(["Missing necessary function elf_begin in libelf"])]
+    [elf],
+    [elf_begin],
+    [],
+    [AC_MSG_ERROR(["Missing necessary function elf_begin in libelf"])]
 )
 
 AC_ARG_ENABLE(
-	[ptpax],
-	AS_HELP_STRING(
-		[--enable-ptpax],
-		[enable support for pax markings in PT_PAX ELF phdr]
-	)
+    [ptpax],
+    AS_HELP_STRING(
+        [--enable-ptpax],
+        [enable support for pax markings in PT_PAX ELF phdr]
+    )
 )
 
 AS_IF(
-	[test "x$enable_ptpax" != "xno"],
-	[
-		AS_IF(
-			[test "x$ac_cv_have_decl_ELF_C_RDWR_MMAP" = "xyes"],
-			[
-				AC_CHECK_DECLS(
-					[PT_PAX_FLAGS, PF_PAGEEXEC, PF_MPROTECT, PF_RANDMMAP],
-					[],
-					[
-						CFLAGS+=" -DNEED_PAX_DECLS"
-					],
-					[[#include <gelf.h>]]
-				)
-				CFLAGS+=" -DPTPAX"
-			],
-			[AC_MSG_ERROR(["Missing necessary DECL ELF_C_RDWR_MMAP in libelf"])]
-		)
-	],
-	[
-		CFLAGS+=" -UPTPAX -DNEED_PAX_DECLS"
-	]
+    [test "x$enable_ptpax" != "xno"],
+    [
+        AS_IF(
+            [test "x$ac_cv_have_decl_ELF_C_RDWR_MMAP" = "xyes"],
+            [
+                AC_CHECK_DECLS(
+                    [PT_PAX_FLAGS, PF_PAGEEXEC, PF_MPROTECT, PF_RANDMMAP],
+                    [],
+                    [
+                        CFLAGS+=" -DNEED_PAX_DECLS"
+                    ],
+                    [[#include <gelf.h>]]
+                )
+                CFLAGS+=" -DPTPAX"
+            ],
+            [AC_MSG_ERROR(["Missing necessary DECL ELF_C_RDWR_MMAP in libelf"])]
+        )
+    ],
+    [
+        CFLAGS+=" -UPTPAX -DNEED_PAX_DECLS"
+    ]
 )
 
 AM_CONDITIONAL([BUILD_ELF],[test "x$enable_ptpax" = "xyes" && test "x$ac_cv_have_decl_ELF_C_RDWR_MMAP" = "xyes"])
 
 AC_ARG_ENABLE(
-	[xtpax],
-	AS_HELP_STRING(
-		[--enable-xtpax],
-		[enable support for pax markings in xattrs]
-	)
+    [xtpax],
+    AS_HELP_STRING(
+        [--enable-xtpax],
+        [enable support for pax markings in xattrs]
+    )
 )
 
 AS_IF(
-	[test "x$enable_xtpax" != "xno"],
-	[
-		AC_CHECK_HEADERS(
-			[attr/xattr.h],
-			[],
-			[AC_MSG_ERROR(["Missing necessary attr/xattr.h"])]
-		)
-		AC_CHECK_LIB(
-			[attr],
-			[fgetxattr],
-			[],
-			[AC_MSG_ERROR(["Missing necessary function fgetxattr in libattr"])]
-		)
-		CFLAGS+=" -DXTPAX"
-	],
-	[
-		CFLAGS+=" -UXTPAX"
-	]
+    [test "x$enable_xtpax" != "xno"],
+    [
+        AC_CHECK_HEADERS(
+            [attr/xattr.h],
+            [],
+            [AC_MSG_ERROR(["Missing necessary attr/xattr.h"])]
+        )
+        AC_CHECK_LIB(
+            [attr],
+            [fgetxattr],
+            [],
+            [AC_MSG_ERROR(["Missing necessary function fgetxattr in libattr"])]
+        )
+        CFLAGS+=" -DXTPAX"
+    ],
+    [
+        CFLAGS+=" -UXTPAX"
+    ]
 )
 
 if [test "x$enable_ptpax" = "xno" -a  "x$enable_xtpax" = "xno" ]; then
-	AC_MSG_ERROR(["You must enable either ptpax or xtpax"])
+    AC_MSG_ERROR(["You must enable either ptpax or xtpax"])
 fi
 
 AM_CONDITIONAL([DUALTEST],[test "x$enable_ptpax" = "xyes" -a  "x$enable_xtpax" = "xyes"])
 
 # Ready to configure our files
 AC_CONFIG_FILES([
-	Makefile
-	src/Makefile
-	scripts/Makefile
-	doc/Makefile
-	tests/Makefile
-	tests/gnustack/Makefile
-	tests/pxtpax/Makefile
-	tests/paxmodule/Makefile
-	tests/revdeppaxtest/Makefile
+    Makefile
+    src/Makefile
+    scripts/Makefile
+    doc/Makefile
+    tests/Makefile
+    tests/gnustack/Makefile
+    tests/pxtpax/Makefile
+    tests/paxmodule/Makefile
+    tests/revdeppaxtest/Makefile
 ])
 
 AC_OUTPUT