configure.ac cleanup
authorEric Biggers <ebiggers3@gmail.com>
Tue, 16 Dec 2014 04:55:03 +0000 (22:55 -0600)
committerEric Biggers <ebiggers3@gmail.com>
Tue, 16 Dec 2014 05:32:34 +0000 (23:32 -0600)
Makefile.am
configure.ac

index cc91d17..0d07ea1 100644 (file)
@@ -173,35 +173,37 @@ libwim_la_SOURCES += src/unix_apply.c             \
                     src/unix_capture.c
 endif
 
-EXTRA_libwim_la_SOURCES = src/sha1-ssse3.asm
-libwim_la_DEPENDENCIES = $(SSSE3_SHA1_OBJ)
-EXTRA_DIST += build-aux/nasm_lt.sh
-
-src/sha1-ssse3.lo:src/sha1-ssse3.asm
-       $(LIBTOOL) --mode=compile --tag NASM $(srcdir)/build-aux/nasm_lt.sh \
-       $(NASM) $(NAFLAGS) $(NASM_PLATFORM_FLAGS)                           \
-       -DINTEL_SHA1_UPDATE_FUNCNAME=$(NASM_SYMBOL_PREFIX)sha1_transform_blocks_ssse3       \
-       -DINTEL_SHA1_UPDATE_DEFAULT_DISPATCH=$(NASM_SYMBOL_PREFIX)sha1_transform_blocks_default  \
-       $< -o $@
-
 libwim_la_CFLAGS =             \
        $(AM_CFLAGS)            \
        $(LIBXML2_CFLAGS)       \
-       $(LIBFUSE_CFLAGS)       \
        $(LIBNTFS_3G_CFLAGS)    \
+       $(LIBFUSE_CFLAGS)       \
        $(LIBCRYPTO_CFLAGS)
 
 libwim_la_LDFLAGS = $(AM_LDFLAGS) -version-info 18:0:3
 
 libwim_la_LIBADD =             \
+       -lpthread               \
        $(LIBXML2_LIBS)         \
+       $(LTLIBICONV)           \
+       $(LIBNTFS_3G_LIBS)      \
        $(LIBFUSE_LIBS)         \
        $(LIBRT_LIBS)           \
-       $(LIBNTFS_3G_LIBS)      \
-       $(LTLIBICONV)           \
-       $(LIBCRYPTO_LIBS)       \
-       $(SSSE3_SHA1_OBJ)       \
-       $(PTHREAD_LDADD)
+       $(LIBCRYPTO_LIBS)
+
+if ENABLE_SSSE3_SHA1
+libwim_la_SOURCES += src/sha1-ssse3.asm
+libwim_la_LIBADD += src/sha1-ssse3.lo
+
+src/sha1-ssse3.lo:src/sha1-ssse3.asm
+       $(LIBTOOL) --mode=compile --tag NASM $(srcdir)/build-aux/nasm_lt.sh \
+       $(NASM) $(NAFLAGS) $(NASM_PLATFORM_FLAGS)                           \
+       -DINTEL_SHA1_UPDATE_FUNCNAME=$(NASM_SYMBOL_PREFIX)sha1_transform_blocks_ssse3       \
+       -DINTEL_SHA1_UPDATE_DEFAULT_DISPATCH=$(NASM_SYMBOL_PREFIX)sha1_transform_blocks_default  \
+       $< -o $@
+
+EXTRA_DIST += build-aux/nasm_lt.sh
+endif
 
 ##############################################################################
 #                              Programs                                     #
index 6ce4740..e6dc26f 100644 (file)
@@ -1,32 +1,66 @@
+###############################################################################
+
 AC_INIT([wimlib], [1.7.4-BETA], [ebiggers3@gmail.com])
 AC_CONFIG_SRCDIR([src/wim.c])
 AC_CONFIG_MACRO_DIR([m4])
 AC_CONFIG_AUX_DIR([build-aux])
 AM_INIT_AUTOMAKE([-Wall -Werror subdir-objects foreign])
-AC_C_BIGENDIAN
 m4_ifdef([AM_PROG_AR], [AM_PROG_AR])
 LT_INIT
 
+AC_CONFIG_HEADERS([config.h])
+AC_CONFIG_FILES([Makefile] [doc/Doxyfile] [wimlib.pc])
+AC_CONFIG_FILES([programs/mkwinpeimg], [chmod +x programs/mkwinpeimg])
+
 PKGCONFIG_PRIVATE_REQUIRES=""
 PKGCONFIG_PRIVATE_LIBS=""
 
-AC_CONFIG_HEADERS([config.h])
-AC_CONFIG_FILES([Makefile]
-               [doc/Doxyfile]
-               [wimlib.pc])
-
-AC_CONFIG_FILES([programs/mkwinpeimg], [chmod +x programs/mkwinpeimg])
+###############################################################################
+#                        General platform features                           #
+###############################################################################
 
 AC_PROG_CC
 AM_PROG_CC_C_O
 AC_CANONICAL_HOST
 
-AC_CHECK_FUNCS([futimens utimensat utime flock mempcpy \
+WINDOWS_NATIVE_BUILD="no"
+PLATFORM_CPPFLAGS=""
+PLATFORM_CFLAGS="-fvisibility=hidden"
+PLATFORM_LDFLAGS=""
+
+case "$host_os" in
+mingw*)
+       # Native Windows
+       WINDOWS_NATIVE_BUILD="yes"
+       PLATFORM_CPPFLAGS="-D_POSIX -DUNICODE -D_UNICODE -D_CRT_NON_CONFORMING_SWPRINTFS"
+       PLATFORM_CFLAGS="-municode -mno-ms-bitfields"
+       PLATFORM_LDFLAGS="-no-undefined"
+       WITH_NTFS_3G_DEFAULT="no"
+       WITH_FUSE_DEFAULT="no"
+       ;;
+linux*)
+       # Linux
+       WITH_NTFS_3G_DEFAULT="yes"
+       WITH_FUSE_DEFAULT="yes"
+       ;;
+*)
+       # Other UNIX
+       WITH_NTFS_3G_DEFAULT="yes"
+       WITH_FUSE_DEFAULT="no"
+       ;;
+esac
+
+AC_SUBST([PLATFORM_CPPFLAGS], [$PLATFORM_CPPFLAGS])
+AC_SUBST([PLATFORM_CFLAGS], [$PLATFORM_CFLAGS])
+AC_SUBST([PLATFORM_LDFLAGS], [$PLATFORM_LDFLAGS])
+AM_CONDITIONAL([WINDOWS_NATIVE_BUILD], [test "$WINDOWS_NATIVE_BUILD" = "yes"])
+
+# Useful functions which we can do without.
+AC_CHECK_FUNCS([futimens utimensat flock mempcpy       \
                openat fstatat readlinkat fdopendir])
 
-# Note: some of the following header checks are only to define the appropriate
-# HAVE_*_H macro so that the NTFS-3g headers don't get confused and try to skip
-# including certain headers.
+# Header checks, most of which are only here to satisfy conditional includes
+# made by the libntfs-3g headers.
 AC_CHECK_HEADERS([alloca.h             \
                  byteswap.h            \
                  endian.h              \
@@ -45,126 +79,28 @@ AC_CHECK_HEADERS([alloca.h         \
                  time.h                \
                  utime.h])
 
+# Does stat() support nanosecond-precision timestamps?  (This is relevant on
+# UNIX but not on Windows.)
 AC_CHECK_MEMBER([struct stat.st_mtim],
                [AC_DEFINE([HAVE_STAT_NANOSECOND_PRECISION], [1],
-                         [Define to 1 if nanosecond precision timestamps are
-                          supported])],
+                          [Define to 1 if stat() supports nanosecond precision
+                           timestamps])],
                [],
-               [[#include <sys/stat.h>]])
+               [#include <sys/stat.h>])
 
+###############################################################################
+#                           Required libraries                               #
+###############################################################################
 
-AC_ARG_WITH(pkgconfigdir,
-            [  --with-pkgconfigdir=DIR      pkgconfig file in DIR @<:@LIBDIR/pkgconfig@:>@],
-            [pkgconfigdir=$withval],
-            [pkgconfigdir='${libdir}/pkgconfig'])
-AC_SUBST(pkgconfigdir)
-
-AC_CHECK_LIB([xml2], [xmlParseFile], [have_libxml=true],
+# ------------------------------ libxml2 --------------------------------------
+AC_CHECK_LIB([xml2], [xmlParseFile], [],
             [AC_MSG_ERROR(["cannot find libxml2"])])
 PKG_CHECK_MODULES([LIBXML2], [libxml-2.0])
 PKGCONFIG_PRIVATE_REQUIRES="$PKGCONFIG_PRIVATE_REQUIRES libxml-2.0"
 
-AC_MSG_CHECKING([whether to include debugging messages])
-AC_ARG_ENABLE([debug],
-       AS_HELP_STRING([--enable-debug], [include lots of debugging messages]),
-       [ENABLE_DEBUG=$enableval],
-       [ENABLE_DEBUG=no]
-       )
-AC_MSG_RESULT([$ENABLE_DEBUG])
-if test "x$ENABLE_DEBUG" = "xyes"; then
-       AC_DEFINE([ENABLE_DEBUG], [1],
-                       [Define to 1 if including lots of debug messages.])
-fi
-
-AC_MSG_CHECKING([whether to include error messages])
-AC_ARG_ENABLE([error_messages],
-       AS_HELP_STRING([--disable-error-messages],
-                       [do not compile in error messsages]),
-       [ENABLE_ERROR_MESSAGES=$enableval],
-       [ENABLE_ERROR_MESSAGES=yes]
-       )
-AC_MSG_RESULT([$ENABLE_ERROR_MESSAGES])
-if test "x$ENABLE_ERROR_MESSAGES" = "xyes"; then
-       AC_DEFINE([ENABLE_ERROR_MESSAGES], [1],
-                       [Define to 1 if including error messages])
-fi
-
-AC_MSG_CHECKING([whether to include assertions])
-AC_ARG_ENABLE([assertions],
-       AS_HELP_STRING([--disable-assertions], [do not include assertions]),
-       [ENABLE_ASSERTIONS=$enableval],
-       [ENABLE_ASSERTIONS=yes]
-       )
-AC_MSG_RESULT([$ENABLE_ASSERTIONS])
-if test "x$ENABLE_ASSERTIONS" = "xyes"; then
-       AC_DEFINE([ENABLE_ASSERTIONS], [1], [Define to 1 if including assertions.])
-fi
-
-AC_MSG_CHECKING([whether to include automatic compression verification])
-AC_ARG_ENABLE([verify_compression],
-             AS_HELP_STRING([--enable-verify-compression], [always
-                               check if blocks we compress can be correctly
-                               decompressed]),
-       [ENABLE_VERIFY_COMPRESSION=$enableval],
-       [ENABLE_VERIFY_COMPRESSION=no]
-       )
-AC_MSG_RESULT([$ENABLE_VERIFY_COMPRESSION])
-if test "x$ENABLE_VERIFY_COMPRESSION" = "xyes"; then
-       AC_DEFINE([ENABLE_VERIFY_COMPRESSION], [1], [Define to 1 to verify
-                  compressed data])
-fi
-
-AC_MSG_CHECKING([whether to include support for multi-threaded compression])
-AC_ARG_ENABLE([multithreaded-compression],
-       AS_HELP_STRING([--disable-multithreaded-compression],
-                       [do not compile in the code for multi-threaded compression]),
-       [ENABLE_MULTITHREADED_COMPRESSION=$enableval],
-       [ENABLE_MULTITHREADED_COMPRESSION=yes]
-       )
-AC_MSG_RESULT([$ENABLE_MULTITHREADED_COMPRESSION])
-if test "x$ENABLE_MULTITHREADED_COMPRESSION" = "xyes"; then
-       AC_DEFINE([ENABLE_MULTITHREADED_COMPRESSION], [1],
-                       [Define to 1 if including support for multithreaded
-                        compression])
-fi
-
-PTHREAD_LDADD="-lpthread"
-AC_SUBST([PTHREAD_LDADD], [$PTHREAD_LDADD])
-
-WITH_NTFS_3G_DEFAULT="no"
-WITH_FUSE_DEFAULT="no"
-WINDOWS_NATIVE_BUILD="no"
-PLATFORM_CPPFLAGS=""
-PLATFORM_CFLAGS="-fvisibility=hidden"
-PLATFORM_LDFLAGS=""
-
-case "$host_os" in
-       mingw*)
-               # Native Windows
-               WINDOWS_NATIVE_BUILD="yes"
-               PLATFORM_CPPFLAGS="-D_POSIX -DUNICODE -D_UNICODE -D_CRT_NON_CONFORMING_SWPRINTFS"
-               PLATFORM_CFLAGS="-municode -mno-ms-bitfields"
-               PLATFORM_LDFLAGS="-no-undefined"
-               ;;
-       linux*)
-               # Linux
-               WITH_FUSE_DEFAULT="yes"
-               WITH_NTFS_3G_DEFAULT="yes"
-               ;;
-       *)
-               # Other UNIX
-               WITH_NTFS_3G_DEFAULT="yes"
-               ;;
-esac
-
-AC_SUBST([PLATFORM_CPPFLAGS], [$PLATFORM_CPPFLAGS])
-AC_SUBST([PLATFORM_CFLAGS], [$PLATFORM_CFLAGS])
-AC_SUBST([PLATFORM_LDFLAGS], [$PLATFORM_LDFLAGS])
-AM_CONDITIONAL([WINDOWS_NATIVE_BUILD], [test "x$WINDOWS_NATIVE_BUILD" = "xyes"])
-
-
+# ------------------------------ libiconv -------------------------------------
 AM_ICONV
-if test "x$am_cv_func_iconv" != "xyes"; then
+if test "$am_cv_func_iconv" != "yes"; then
        AC_MSG_ERROR([Cannot find the iconv() function.  iconv() is used to
                      convert between encodings of WIM filenames and XML data.
                      wimlib cannot be compiled without it.  iconv() is
@@ -172,6 +108,12 @@ if test "x$am_cv_func_iconv" != "xyes"; then
                      other libraries.])
 fi
 
+###############################################################################
+#                        Configuration options                               #
+###############################################################################
+
+# ------------------------- ntfs-3g support -----------------------------------
+
 AC_MSG_CHECKING([whether to include support for ntfs-3g])
 AC_ARG_WITH([ntfs-3g],
            [AS_HELP_STRING([--without-ntfs-3g],
@@ -180,48 +122,46 @@ AC_ARG_WITH([ntfs-3g],
                             from/to an unmounted NTFS volume.])],
            [WITH_NTFS_3G=$withval],
            [WITH_NTFS_3G=$WITH_NTFS_3G_DEFAULT])
-
 AC_MSG_RESULT([$WITH_NTFS_3G])
-if test "x$WITH_NTFS_3G" = "xyes"; then
-       AC_DEFINE([WITH_NTFS_3G], [1], [Define to 1 to enable NTFS-3g support.])
 
-       dnl This effectively checks for NTFS-3g 2011.4.12 or later
+if test "$WITH_NTFS_3G" = "yes"; then
+       # This effectively checks for NTFS-3g 2011.4.12 or later
        AC_CHECK_LIB([ntfs-3g], [ntfs_xattr_system_setxattr], [],
-                       [AC_MSG_ERROR([Cannot find libntfs-3g version 2011-4-12
+                    [AC_MSG_ERROR([Cannot find libntfs-3g version 2011-4-12
        or later!  Without libntfs-3g, wimlib cannot include support for
        capturing or applying a WIM image directly from/to an unmounted NTFS
        volume while preserving NTFS-specific data such as security descriptors
        and named data streams.  Either install libntfs-3g, or configure
        --without-ntfs-3g to disable this feature.])])
 
-       PKG_CHECK_MODULES([LIBNTFS_3G], [libntfs-3g])
-       PKGCONFIG_PRIVATE_REQUIRES="$PKGCONFIG_PRIVATE_REQUIRES libntfs-3g"
-
-       dnl This checks for an NTFS-3g interface that was changed in the
-       dnl 2013.1.13 release
+       # This checks a definition that was changed in NTFS-3g 2013.1.13
        AC_CHECK_DECL([NTFS_MNT_RDONLY],
-                     [AC_DEFINE([HAVE_NTFS_MNT_RDONLY],
-                                [1],
-                                [Define to 1 if ntfs_mount() takes the flag NTFS_MNT_RDONLY])],
+                     [AC_DEFINE([HAVE_NTFS_MNT_RDONLY], [1],
+                                [Define to 1 if ntfs_mount() takes the flag
+                                 NTFS_MNT_RDONLY])],
                      [],
                      [#include <ntfs-3g/volume.h>])
+
+       AC_DEFINE([WITH_NTFS_3G], [1], [Define to 1 if using NTFS-3g support])
+       PKG_CHECK_MODULES([LIBNTFS_3G], [libntfs-3g])
+       PKGCONFIG_PRIVATE_REQUIRES="$PKGCONFIG_PRIVATE_REQUIRES libntfs-3g"
 fi
-AM_CONDITIONAL([WITH_NTFS_3G], [test "x$WITH_NTFS_3G" = "xyes"])
+AM_CONDITIONAL([WITH_NTFS_3G], [test "$WITH_NTFS_3G" = "yes"])
+
+# ------------------------ FUSE mount support ---------------------------------
 
 AC_MSG_CHECKING([whether to include support for mounting WIMs])
 AC_ARG_WITH([fuse],
-       [AS_HELP_STRING([--without-fuse],
-                       [build without libfuse.  This will disable the ability
-                        to mount WIM images.])],
-       [WITH_FUSE=$withval],
-       [WITH_FUSE=$WITH_FUSE_DEFAULT])
-
+           [AS_HELP_STRING([--without-fuse],
+                           [build without libfuse.  This will disable the
+                            ability to mount WIM images.])],
+           [WITH_FUSE=$withval],
+           [WITH_FUSE=$WITH_FUSE_DEFAULT])
 AC_MSG_RESULT([$WITH_FUSE])
-if test "x$WITH_FUSE" = "xyes"; then
-       AC_DEFINE([WITH_FUSE], [1], [Define to 1 if using FUSE.])
 
+if test "$WITH_FUSE" = "yes"; then
        AC_CHECK_LIB([fuse], [fuse_main_real], [],
-                       [AC_MSG_ERROR([Cannot find libfuse!
+                    [AC_MSG_ERROR([Cannot find libfuse!
        Without libfuse, wimlib cannot include support for mounting WIM images.
        Either install libfuse, or configure --without-fuse to disable this
        feature.])])
@@ -239,12 +179,15 @@ if test "x$WITH_FUSE" = "xyes"; then
        in the code for mounting WIM images.  Either install this library, or
        configure --without-fuse to disable support for mounting WIM images.])])
 
+       AC_DEFINE([WITH_FUSE], [1], [Define to 1 if using FUSE support])
        PKG_CHECK_MODULES([LIBFUSE], [fuse])
        PKGCONFIG_PRIVATE_REQUIRES="$PKGCONFIG_PRIVATE_REQUIRES fuse"
        PKGCONFIG_PRIVATE_LIBS="$PKGCONFIG_PRIVATE_LIBS -lrt"
        AC_SUBST([LIBRT_LIBS], [-lrt])
 fi
-AM_CONDITIONAL([WITH_FUSE], [test "x$WITH_FUSE" = "xyes"])
+AM_CONDITIONAL([WITH_FUSE], [test "$WITH_FUSE" = "yes"])
+
+# ------------------------ SHA-1 implementation ---------------------------------
 
 AC_MSG_CHECKING([whether to use SSSE3-accelerated SHA-1])
 AC_ARG_ENABLE([ssse3-sha1],
@@ -253,56 +196,109 @@ AC_ARG_ENABLE([ssse3-sha1],
                               Intel.  This implies --without-libcrypto.])],
              [ENABLE_SSSE3_SHA1=$enableval],
              [ENABLE_SSSE3_SHA1=no])
-
 AC_MSG_RESULT([$ENABLE_SSSE3_SHA1])
-if test "x$ENABLE_SSSE3_SHA1" = "xyes"; then
+
+if test "$ENABLE_SSSE3_SHA1" = "yes" ; then
        AC_DEFINE([ENABLE_SSSE3_SHA1], [1],
                  [Define to 1 if using SSSE3 implementation of SHA-1])
-       SSSE3_SHA1_OBJ=src/sha1-ssse3.lo
        AC_PROG_NASM
        NASM_SYMBOL_PREFIX=""
        NASM_PLATFORM_FLAGS=""
-       if test "x$WINDOWS_NATIVE_BUILD" = "xyes"; then
+       if test "$WINDOWS_NATIVE_BUILD" = "yes"; then
                NASM_PLATFORM_FLAGS="-DWIN_ABI"
        fi
        case "$host_os" in
-               darwin* | rhapsody* | nextstep* | openstep* | macos*)
-                       NASM_SYMBOL_PREFIX="_"
-                       ;;
+       darwin* | rhapsody* | nextstep* | openstep* | macos*)
+               NASM_SYMBOL_PREFIX="_"
+               ;;
        esac
-       AC_SUBST([NASM_PLATFORM_FLAGS], $NASM_PLATFORM_FLAGS)
-       AC_SUBST([NASM_SYMBOL_PREFIX], $NASM_SYMBOL_PREFIX)
-else
-       SSSE3_SHA1_OBJ=
-fi
-AC_SUBST([SSSE3_SHA1_OBJ], [$SSSE3_SHA1_OBJ])
-
-if test "x$ENABLE_SSSE3_SHA1" = "xyes"; then
-       WITH_LIBCRYPTO=no
+       AC_SUBST([NASM_PLATFORM_FLAGS], [$NASM_PLATFORM_FLAGS])
+       AC_SUBST([NASM_SYMBOL_PREFIX], [$NASM_SYMBOL_PREFIX])
 else
        AC_ARG_WITH([libcrypto],
                    [AS_HELP_STRING([--without-libcrypto],
                                    [build in the SHA-1 algorithm, rather than
                                     use external libcrypto from OpenSSL
                                     (default is autodetect)])],
-       [WITH_LIBCRYPTO=$withval],
-       [AC_CHECK_LIB([crypto],
-                     [SHA1],
-                     [WITH_LIBCRYPTO=yes],
-                     [AC_MSG_WARN([Cannot find libcrypto: using stand-alone
-                                   SHA-1 code instead of OpenSSL])
-                      WITH_LIBCRYPTO=no])])
+                   [WITH_LIBCRYPTO=$withval],
+                   [AC_CHECK_LIB([crypto], [SHA1], [WITH_LIBCRYPTO=yes],
+                                 [AC_MSG_WARN([Cannot find libcrypto: using
+                                               stand-alone SHA-1 code instead of OpenSSL])
+                                       WITH_LIBCRYPTO=no])])
+       AC_MSG_CHECKING([whether to use SHA-1 implementation from system libcrypto])
+       AC_MSG_RESULT([$WITH_LIBCRYPTO])
+       if test "$WITH_LIBCRYPTO" = "yes"; then
+               AC_DEFINE([WITH_LIBCRYPTO], [1], [Define to 1 if using libcrypto SHA-1])
+               PKG_CHECK_MODULES([LIBCRYPTO], [libcrypto])
+               PKGCONFIG_PRIVATE_REQUIRES="$PKGCONFIG_PRIVATE_REQUIRES libcrypto"
+       fi
 fi
-AC_MSG_CHECKING([whether to use SHA-1 implementation from system libcrypto])
-AC_MSG_RESULT([$WITH_LIBCRYPTO])
+AM_CONDITIONAL([ENABLE_SSSE3_SHA1], [test "$ENABLE_SSSE3_SHA1" = "yes"])
+
+# ----------------------------- Other options ---------------------------------
 
-if test "x$WITH_LIBCRYPTO" = "xyes" -a "x$ENABLE_SSSE3_SHA1" = "xno"; then
-       AC_DEFINE([WITH_LIBCRYPTO], [1], [Define to 1 if using libcrypto SHA-1])
-       PKG_CHECK_MODULES([LIBCRYPTO], [libcrypto])
-       PKGCONFIG_PRIVATE_REQUIRES="$PKGCONFIG_PRIVATE_REQUIRES libcrypto"
+AC_MSG_CHECKING([whether to include debugging messages])
+AC_ARG_ENABLE([debug],
+       AS_HELP_STRING([--enable-debug], [include debugging messages]),
+       [ENABLE_DEBUG=$enableval],
+       [ENABLE_DEBUG=no])
+AC_MSG_RESULT([$ENABLE_DEBUG])
+if test "$ENABLE_DEBUG" = "yes"; then
+       AC_DEFINE([ENABLE_DEBUG], [1], [Define to 1 if including debug messages])
 fi
 
+AC_MSG_CHECKING([whether to include error messages])
+AC_ARG_ENABLE([error_messages],
+       AS_HELP_STRING([--disable-error-messages], [do not compile in error messsages]),
+       [ENABLE_ERROR_MESSAGES=$enableval],
+       [ENABLE_ERROR_MESSAGES=yes])
+AC_MSG_RESULT([$ENABLE_ERROR_MESSAGES])
+if test "$ENABLE_ERROR_MESSAGES" = "yes"; then
+       AC_DEFINE([ENABLE_ERROR_MESSAGES], [1], [Define to 1 if including error messages])
+fi
+
+AC_MSG_CHECKING([whether to include assertions])
+AC_ARG_ENABLE([assertions],
+       AS_HELP_STRING([--disable-assertions], [do not include assertions]),
+       [ENABLE_ASSERTIONS=$enableval],
+       [ENABLE_ASSERTIONS=yes])
+AC_MSG_RESULT([$ENABLE_ASSERTIONS])
+if test "$ENABLE_ASSERTIONS" = "yes"; then
+       AC_DEFINE([ENABLE_ASSERTIONS], [1], [Define to 1 if including assertions])
+fi
+
+AC_MSG_CHECKING([whether to include automatic compression verification])
+AC_ARG_ENABLE([verify_compression],
+       AS_HELP_STRING([--enable-verify-compression],
+                      [verify all compression results (makes compression
+                       slower; intended for debugging only)]),
+       [ENABLE_VERIFY_COMPRESSION=$enableval],
+       [ENABLE_VERIFY_COMPRESSION=no])
+AC_MSG_RESULT([$ENABLE_VERIFY_COMPRESSION])
+if test "$ENABLE_VERIFY_COMPRESSION" = "yes"; then
+       AC_DEFINE([ENABLE_VERIFY_COMPRESSION], [1], [Define to 1 to verify compression results])
+fi
+
+AC_MSG_CHECKING([whether to include support for multi-threaded compression])
+AC_ARG_ENABLE([multithreaded-compression],
+       AS_HELP_STRING([--disable-multithreaded-compression],
+                      [disable support for multithreaded compression]),
+       [ENABLE_MULTITHREADED_COMPRESSION=$enableval],
+       [ENABLE_MULTITHREADED_COMPRESSION=yes])
+AC_MSG_RESULT([$ENABLE_MULTITHREADED_COMPRESSION])
+if test "$ENABLE_MULTITHREADED_COMPRESSION" = "yes"; then
+       AC_DEFINE([ENABLE_MULTITHREADED_COMPRESSION], [1],
+                 [Define to 1 to support multithreaded compression])
+fi
+
+AC_ARG_WITH(pkgconfigdir,
+            [  --with-pkgconfigdir=DIR      pkgconfig file in DIR @<:@LIBDIR/pkgconfig@:>@],
+            [pkgconfigdir=$withval],
+            [pkgconfigdir='${libdir}/pkgconfig'])
+AC_SUBST(pkgconfigdir)
+
+###############################################################################
+
 AC_SUBST([PKGCONFIG_PRIVATE_REQUIRES], [$PKGCONFIG_PRIVATE_REQUIRES])
 AC_SUBST([PKGCONFIG_PRIVATE_LIBS], [$PKGCONFIG_PRIVATE_LIBS])
-
 AC_OUTPUT