configure.in: use AC_MSG_{RESULT,WARN,ERROR} instead of echo

This gives us standard behavior when using flags such as --quiet, and
gives us standard warning output when showing warnings and errors.

Addresses-Sourceforge-Patches: #2058794

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
diff --git a/configure.in b/configure.in
index c29f438..3b9c53f 100644
--- a/configure.in
+++ b/configure.in
@@ -36,7 +36,7 @@
 Oct)	MONTH_NUM=10; E2FSPROGS_MONTH="October" ;;
 Nov)	MONTH_NUM=11; E2FSPROGS_MONTH="November" ;;
 Dec)	MONTH_NUM=12; E2FSPROGS_MONTH="December" ;;
-*)	echo "Unknown month $MONTH??" ;;
+*)	AC_MSG_WARN([Unknown month $MONTH??]) ;;
 esac
 
 base_ver=`echo $E2FSPROGS_VERSION | \
@@ -54,8 +54,8 @@
 esac
 
 unset DATE MONTH YEAR base_ver pre_vers date_spec
-echo "Generating configuration file for e2fsprogs version $E2FSPROGS_VERSION"
-echo "Release date is ${E2FSPROGS_MONTH}, ${E2FSPROGS_YEAR}"
+AC_MSG_RESULT([Generating configuration file for e2fsprogs version $E2FSPROGS_VERSION])
+AC_MSG_RESULT([Release date is ${E2FSPROGS_MONTH}, ${E2FSPROGS_YEAR}])
 AC_SUBST(E2FSPROGS_YEAR)
 AC_SUBST(E2FSPROGS_MONTH)
 AC_SUBST(E2FSPROGS_DAY)
@@ -161,14 +161,14 @@
 if test "$enableval" = "no"
 then
 	MAINTAINER_CMT=#
-	echo "Disabling maintainer mode"
+	AC_MSG_RESULT([Disabling maintainer mode])
 else
 	MAINTAINER_CMT=
-	echo "Enabling maintainer mode"
+	AC_MSG_RESULT([Enabling maintainer mode])
 fi
 ,
 MAINTAINER_CMT=#
-echo "Disabling maintainer mode by default"
+AC_MSG_RESULT([Disabling maintainer mode by default])
 )
 AC_SUBST(MAINTAINER_CMT)
 dnl
@@ -178,14 +178,14 @@
 [  --enable-compression	  enable EXPERIMENTAL compression support],
 if test "$enableval" = "no"
 then
-	echo "Disabling compression support"
+	AC_MSG_RESULT([Disabling compression support])
 else
 	AC_DEFINE(ENABLE_COMPRESSION)
-	echo "Enabling compression support"
-	echo "WARNING: Compression support is experimental"
+	AC_MSG_RESULT([Enabling compression support])
+	AC_MSG_WARN([Compression support is experimental])
 fi
 ,
-echo "Disabling compression support by default"
+AC_MSG_RESULT([Disabling compression support by default])
 )
 dnl
 dnl handle --enable-htree
@@ -195,16 +195,16 @@
 if test "$enableval" = "no"
 then
 	HTREE_CMT=#
-	echo "Disabling htree directory support"
+	AC_MSG_RESULT([Disabling htree directory support])
 else
 	HTREE_CMT=
 	AC_DEFINE(ENABLE_HTREE)
-	echo "Enabling htree directory support"
+	AC_MSG_RESULT([Enabling htree directory support])
 fi
 ,
 HTREE_CMT=
 AC_DEFINE(ENABLE_HTREE)
-echo "Enabling htree directory support by default"
+AC_MSG_RESULT([Enabling htree directory support by default])
 )
 AC_SUBST(HTREE_CMT)
 dnl
@@ -220,7 +220,7 @@
 then
 	ELF_CMT=#
 	MAKEFILE_ELF=/dev/null
-	echo "Disabling ELF shared libraries"
+	AC_MSG_RESULT([Disabling ELF shared libraries])
 else
 	E2_PKG_CONFIG_STATIC=
 	ELF_CMT=
@@ -232,12 +232,12 @@
 	esac]
 	BINARY_TYPE=elfbin
 	LIB_EXT=.so
-	echo "Enabling ELF shared libraries"
+	AC_MSG_RESULT([Enabling ELF shared libraries])
 fi
 ,
 MAKEFILE_ELF=/dev/null
 ELF_CMT=#
-echo "Disabling ELF shared libraries by default"
+AC_MSG_RESULT([Disabling ELF shared libraries by default])
 )
 AC_SUBST(ELF_CMT)
 AC_SUBST_FILE(MAKEFILE_ELF)
@@ -250,7 +250,7 @@
 then
 	BSDLIB_CMT=#
 	MAKEFILE_BSDLIB=/dev/null
-	echo "Disabling BSD shared libraries"
+	AC_MSG_RESULT([Disabling BSD shared libraries])
 else
 	E2_PKG_CONFIG_STATIC=
 	BSDLIB_CMT=
@@ -262,12 +262,12 @@
 		LIB_EXT=.dylib
 	;;
 	esac]
-	echo "Enabling BSD shared libraries"
+	AC_MSG_RESULT([Enabling BSD shared libraries])
 fi
 ,
 MAKEFILE_BSDLIB=/dev/null
 BSDLIB_CMT=#
-echo "Disabling BSD shared libraries by default"
+AC_MSG_RESULT([Disabling BSD shared libraries by default])
 )
 AC_SUBST(BSDLIB_CMT)
 AC_SUBST_FILE(MAKEFILE_BSDLIB)
@@ -280,17 +280,17 @@
 then
 	PROFILE_CMT=#
 	MAKEFILE_PROFILE=/dev/null
-	echo "Disabling profiling libraries"
+	AC_MSG_RESULT([Disabling profiling libraries])
 else
 	PROFILE_CMT=
 	MAKEFILE_PROFILE=$srcdir/lib/Makefile.profile
 	PROFILED_LIB_EXT=_p.a
-	echo "Building profiling libraries"
+	AC_MSG_RESULT([Building profiling libraries])
 fi
 ,
 PROFILE_CMT=#
 MAKEFILE_PROFILE=/dev/null
-echo "Disabling profiling libraries by default"
+AC_MSG_RESULT([Disabling profiling libraries by default])
 )
 AC_SUBST(PROFILE_CMT)
 AC_SUBST_FILE(MAKEFILE_PROFILE)
@@ -303,16 +303,16 @@
 then
 	CHECKER_CMT=#
 	MAKEFILE_CHECKER=/dev/null
-	echo "Disabling checker libraries"
+	AC_MSG_RESULT([Disabling checker libraries])
 else
 	CHECKER_CMT=
 	MAKEFILE_CHECKER=$srcdir/lib/Makefile.checker
-	echo "Building checker libraries"
+	AC_MSG_RESULT([Building checker libraries])
 fi
 ,
 CHECKER_CMT=#
 MAKEFILE_CHECKER=/dev/null
-echo "Disabling checker libraries by default"
+AC_MSG_RESULT([Disabling checker libraries by default])
 )
 AC_SUBST(CHECKER_CMT)
 AC_SUBST_FILE(MAKEFILE_CHECKER)
@@ -329,13 +329,13 @@
 [  --enable-jbd-debug  	  enable journal debugging],
 if test "$enableval" = "no"
 then
-	echo "Disabling journal debugging"
+	AC_MSG_RESULT([Disabling journal debugging])
 else
 	AC_DEFINE(CONFIG_JBD_DEBUG)
-	echo "Enabling journal debugging"
+	AC_MSG_RESULT([Enabling journal debugging])
 fi
 ,
-echo "Disabling journal debugging by default"
+AC_MSG_RESULT([Disabling journal debugging by default])
 )
 dnl
 dnl handle --enable-blkid-debug
@@ -344,13 +344,13 @@
 [  --enable-blkid-debug    enable blkid debugging],
 if test "$enableval" = "no"
 then
-	echo "Disabling blkid debugging"
+	AC_MSG_RESULT([Disabling blkid debugging])
 else
 	AC_DEFINE(CONFIG_BLKID_DEBUG)
-	echo "Enabling blkid debugging"
+	AC_MSG_RESULT([Enabling blkid debugging])
 fi
 ,
-echo "Disabling blkid debugging by default"
+AC_MSG_RESULT([Disabling blkid debugging by default])
 )
 dnl
 dnl handle --enable-testio-debug
@@ -359,13 +359,13 @@
 [  --enable-testio-debug   enable the use of the test I/O manager for debugging],
 if test "$enableval" = "no"
 then
-	echo "Disabling testio debugging"
+	AC_MSG_RESULT([Disabling testio debugging])
 else
 	AC_DEFINE(CONFIG_TESTIO_DEBUG)
-	echo "Enabling testio debugging"
+	AC_MSG_RESULT([Enabling testio debugging])
 fi
 ,
-echo "Disabling testio debugging by default"
+AC_MSG_RESULT([Disabling testio debugging by default])
 )
 dnl
 dnl handle --enable-debugfs
@@ -374,14 +374,14 @@
 [  --disable-debugfs   	  disable support of debugfs program],
 if test "$enableval" = "no"
 then
-	echo "Disabling debugfs support"
+	AC_MSG_RESULT([Disabling debugfs support])
 	DEBUGFS_CMT="#"
 else
 	DEBUGFS_CMT=
-	echo "Enabling debugfs support"
+	AC_MSG_RESULT([Enabling debugfs support])
 fi
 ,
-echo "Enabling debugfs support by default"
+AC_MSG_RESULT([Enabling debugfs support by default])
 DEBUGFS_CMT=
 )
 AC_SUBST(DEBUGFS_CMT)
@@ -392,14 +392,14 @@
 [  --disable-imager   	  disable support of e2image program],
 if test "$enableval" = "no"
 then
-	echo "Disabling e2image support"
+	AC_MSG_RESULT([Disabling e2image support])
 	IMAGER_CMT="#"
 else
 	IMAGER_CMT=
-	echo "Enabling e2image support"
+	AC_MSG_RESULT([Enabling e2image support])
 fi
 ,
-echo "Enabling e2image support by default"
+AC_MSG_RESULT([Enabling e2image support by default])
 IMAGER_CMT=
 )
 AC_SUBST(IMAGER_CMT)
@@ -410,14 +410,14 @@
 [  --disable-resizer   	  disable support of e2resize program],
 if test "$enableval" = "no"
 then
-	echo "Disabling e2resize support"
+	AC_MSG_RESULT([Disabling e2resize support])
 	RESIZER_CMT="#"
 else
 	RESIZER_CMT=
-	echo "Enabling e2resize support"
+	AC_MSG_RESULT([Enabling e2resize support])
 fi
 ,
-echo "Enabling e2resize support by default"
+AC_MSG_RESULT([Enabling e2resize support by default])
 RESIZER_CMT=
 )
 AC_SUBST(RESIZER_CMT)
@@ -429,20 +429,20 @@
 [if test "$enableval" = "no"
 then
 	FSCK_PROG='' FSCK_MAN=''
-	echo "Not building fsck wrapper"
+	AC_MSG_RESULT([Not building fsck wrapper])
 else
 	FSCK_PROG=fsck FSCK_MAN=fsck.8
-	echo "Building fsck wrapper"
+	AC_MSG_RESULT([Building fsck wrapper])
 fi]
 ,
 [case "$host_os" in
   gnu*)
     FSCK_PROG='' FSCK_MAN=''
-    echo "Not building fsck wrapper by default"
+    AC_MSG_RESULT([Not building fsck wrapper by default])
     ;;
   *)
     FSCK_PROG=fsck FSCK_MAN=fsck.8
-    echo "Building fsck wrapper by default"
+    AC_MSG_RESULT([Building fsck wrapper by default])
 esac]
 )
 AC_SUBST(FSCK_PROG)
@@ -455,14 +455,14 @@
 [if test "$enableval" = "no"
 then
 	E2INITRD_PROG='' E2INITRD_MAN=''
-	echo "Not building e2initrd helper"
+	AC_MSG_RESULT([Not building e2initrd helper])
 else
 	E2INITRD_PROG=e2initrd_helper E2INITRD_MAN=e2initrd_helper.8
-	echo "Building e2initrd helper"
+	AC_MSG_RESULT([Building e2initrd helper])
 fi]
 ,
 E2INITRD_PROG=e2initrd_helper E2INITRD_MAN=e2initrd_helper.8
-echo "Building e2initrd helper by default"
+AC_MSG_RESULT([Building e2initrd helper by default])
 )
 AC_SUBST(E2INITRD_PROG)
 AC_SUBST(E2INITRD_MAN)
@@ -473,19 +473,18 @@
 [  --enable-blkid-devmapper  build with device-mapper support],
 [if test "$enableval" = "no"
 then
-	echo "Disabling device-mapper support"
+	AC_MSG_RESULT([Disabling device-mapper support])
 	DEVMAPPER_REQ=''
 	DEVMAPPER_LIBS=''
 	STATIC_DEVMAPPER_LIBS=''
 else
 	AC_DEFINE(HAVE_DEVMAPPER)
-	echo "Enabling device-mapper support"
+	AC_MSG_RESULT([Enabling device-mapper support])
 
 	PKG_PROG_PKG_CONFIG()
 
 	if test -z "$PKG_CONFIG"; then
-		echo "pkg-config not installed; please install it."
-		exit 1;
+		AC_MSG_ERROR([pkg-config not installed; please install it.])
 	fi
  
 	AC_CHECK_LIB(devmapper, dm_tree_create,
@@ -500,7 +499,7 @@
 	*pthread*)
 	    ;;
 	*)
-	    echo "Working around Debian bug #390243..."
+	    AC_MSG_WARN([Working around Debian bug 390243...])
 	    STATIC_DEVMAPPER_LIBS="-pthread $STATIC_DEVMAPPER_LIBS"
 	    ;;
 	esac
@@ -510,7 +509,7 @@
 	fi
 fi]
 ,
-echo "Disabling device-mapper support by default"
+AC_MSG_RESULT([Disabling device-mapper support by default])
 )
 AC_SUBST(DEVMAPPER_REQ)
 AC_SUBST(DEVMAPPER_PC_LIBS)
@@ -525,19 +524,19 @@
 [if test "$enableval" = "no"
 then
 	try_tls=""
-	echo "Disabling thread local support"
+	AC_MSG_RESULT([Disabling thread local support])
 else
 	try_tls="yes"
-	echo "Enabling thread local support"
+	AC_MSG_RESULT([Enabling thread local support])
 fi]
 ,
 if test -n "$WITH_DIET_LIBC"
 then
 	try_tls=""
-	echo "Diet libc does not support thread local support"
+	AC_MSG_RESULT([Diet libc does not support thread local support])
 else
 	try_tls="yes"
-	echo "Try using thread local support by default"
+	AC_MSG_RESULT([Try using thread local support by default])
 fi
 )
 if test "$try_tls" = "yes"
@@ -551,17 +550,17 @@
 [  --disable-uuidd         disable building the uuid daemon],
 [if test "$enableval" = "no"
 then
-	echo "Not building uuidd"
+	AC_MSG_RESULT([Not building uuidd])
 	UUIDD_CMT="#"
 else
 	AC_DEFINE(USE_UUIDD)
 	UUIDD_CMT=""
-	echo "Building uuidd"
+	AC_MSG_RESULT([Building uuidd])
 fi]
 ,
 AC_DEFINE(USE_UUIDD)
 UUIDD_CMT=""
-echo "Building uuidd by default"
+AC_MSG_RESULT([Building uuidd by default])
 )
 AC_SUBST(UUIDD_CMT)
 dnl
@@ -812,7 +811,7 @@
 linux* | gnu* | k*bsd*-gnu)
 	if test "$prefix" = NONE -a "$root_prefix" = NONE ; then
 		root_prefix="";
-		echo "On $host_os systems, root_prefix defaults to ''"
+		AC_MSG_RESULT([On $host_os systems, root_prefix defaults to ''])
 	fi
 	;;
 esac
@@ -823,9 +822,9 @@
 linux* | gnu* | k*bsd*-gnu)
 	if test "$prefix" = NONE ; then
 		prefix="/usr";
-		echo "On $host_os systems, prefix defaults to /usr"
+		AC_MSG_RESULT([On $host_os systems, prefix defaults to /usr])
 		if test "$mandir" = '${prefix}/man' ; then
-			echo "...and mandir defaults to /usr/share/man"
+			AC_MSG_RESULT([...and mandir defaults to /usr/share/man])
 			mandir=/usr/share/man
 		fi
 	fi
@@ -849,19 +848,19 @@
 fi
 if test "$bindir" != '${exec_prefix}/bin'; then
     root_bindir=$bindir
-    echo "Setting root_bindir to $root_bindir"
+    AC_MSG_RESULT([Setting root_bindir to $root_bindir])
 fi
 if test "$sbindir" != '${exec_prefix}/sbin'; then
     root_sbindir=$sbindir
-    echo "Setting root_sbindir to $root_sbindir"
+    AC_MSG_RESULT([Setting root_sbindir to $root_sbindir])
 fi
 if test "$libdir" != '${exec_prefix}/lib'; then
     root_libdir=$libdir
-    echo "Setting root_libdir to $root_libdir"
+    AC_MSG_RESULT([Setting root_libdir to $root_libdir])
 fi
 if test "$sysconfdir" != '${prefix}/etc'; then
     root_sysconfdir=$sysconfdir
-    echo "Setting root_sysconfdir to $root_sysconfdir"
+    AC_MSG_RESULT([Setting root_sysconfdir to $root_sysconfdir])
 fi
 AC_SUBST(root_prefix)
 AC_SUBST(root_bindir)
@@ -902,7 +901,7 @@
 dnl
 case "$host_os" in
 darwin*)
-	echo "Using Apple Darwin / GNU libintl workaround"
+	AC_MSG_RESULT([Using Apple Darwin / GNU libintl workaround])
 	AC_DEFINE(_INTL_REDIRECT_MACROS)
 	;;
 esac