diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 788 |
1 files changed, 788 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac new file mode 100644 index 000000000000..73944d3e0754 --- /dev/null +++ b/configure.ac @@ -0,0 +1,788 @@ +dnl Process this file with autoconf to produce a configure script. + +dnl First, define all of the version numbers up front. +dnl In particular, this allows the version macro to be used in AC_INIT + +dnl These first two version numbers are updated automatically on each release. +m4_define([LIBARCHIVE_VERSION_S],[3.1.2]) +m4_define([LIBARCHIVE_VERSION_N],[3001002]) + +dnl bsdtar and bsdcpio versioning tracks libarchive +m4_define([BSDTAR_VERSION_S],LIBARCHIVE_VERSION_S()) +m4_define([BSDCPIO_VERSION_S],LIBARCHIVE_VERSION_S()) + +AC_PREREQ(2.65) + +# +# Now starts the "real" configure script. +# + +AC_INIT([libarchive],LIBARCHIVE_VERSION_S(),[libarchive-discuss@googlegroups.com]) +# Make sure the srcdir contains "libarchive" directory +AC_CONFIG_SRCDIR([libarchive]) +# Use auxiliary subscripts from this subdirectory (cleans up root) +AC_CONFIG_AUX_DIR([build/autoconf]) +# M4 scripts +AC_CONFIG_MACRO_DIR([build/autoconf]) +# Must follow AC_CONFIG macros above... +AM_INIT_AUTOMAKE() +m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])]) + +# Libtool's "interface version" can be computed from the libarchive version. + +# Libtool interface version bumps on any API change, so increments +# whenever libarchive minor version does. +ARCHIVE_MINOR=$(( (LIBARCHIVE_VERSION_N() / 1000) % 1000 )) +# Libarchive 2.7 == libtool interface 9 = 2 + 7 +# Libarchive 2.8 == libtool interface 10 = 2 + 8 +# Libarchive 2.9 == libtool interface 11 = 2 + 8 +# Libarchive 3.0 == libtool interface 12 +# Libarchive 3.1 == libtool interface 13 +ARCHIVE_INTERFACE=`echo $((13 + ${ARCHIVE_MINOR}))` +# Libarchive revision is bumped on any source change === libtool revision +ARCHIVE_REVISION=$(( LIBARCHIVE_VERSION_N() % 1000 )) +# Libarchive minor is bumped on any interface addition === libtool age +ARCHIVE_LIBTOOL_VERSION=$ARCHIVE_INTERFACE:$ARCHIVE_REVISION:$ARCHIVE_MINOR + +# Stick the version numbers into config.h +AC_DEFINE([LIBARCHIVE_VERSION_STRING],"LIBARCHIVE_VERSION_S()", + [Version number of libarchive]) +AC_DEFINE_UNQUOTED([LIBARCHIVE_VERSION_NUMBER],"LIBARCHIVE_VERSION_N()", + [Version number of libarchive as a single integer]) +AC_DEFINE([BSDCPIO_VERSION_STRING],"BSDCPIO_VERSION_S()", + [Version number of bsdcpio]) +AC_DEFINE([BSDTAR_VERSION_STRING],"BSDTAR_VERSION_S()", + [Version number of bsdtar]) + +# The shell variables here must be the same as the AC_SUBST() variables +# below, but the shell variable names apparently cannot be the same as +# the m4 macro names above. Why? Ask autoconf. +BSDCPIO_VERSION_STRING=BSDCPIO_VERSION_S() +BSDTAR_VERSION_STRING=BSDTAR_VERSION_S() +LIBARCHIVE_VERSION_STRING=LIBARCHIVE_VERSION_S() +LIBARCHIVE_VERSION_NUMBER=LIBARCHIVE_VERSION_N() + +# Substitute the above version numbers into the various files below. +# Yes, I believe this is the fourth time we define what are essentially +# the same symbols. Why? Ask autoconf. +AC_SUBST(ARCHIVE_LIBTOOL_VERSION) +AC_SUBST(BSDCPIO_VERSION_STRING) +AC_SUBST(BSDTAR_VERSION_STRING) +AC_SUBST(LIBARCHIVE_VERSION_STRING) +AC_SUBST(LIBARCHIVE_VERSION_NUMBER) + +AC_CONFIG_HEADERS([config.h]) +AC_CONFIG_FILES([Makefile]) +AC_CONFIG_FILES([build/pkgconfig/libarchive.pc]) + +# Check for host type +AC_CANONICAL_HOST + +dnl Compilation on mingw and Cygwin needs special Makefile rules +inc_windows_files=no +inc_cygwin_files=no +case "$host_os" in + *mingw* ) inc_windows_files=yes ;; + *cygwin*) inc_cygwin_files=yes ;; +esac +AM_CONDITIONAL([INC_WINDOWS_FILES], [test $inc_windows_files = yes]) +AM_CONDITIONAL([INC_CYGWIN_FILES], [test $inc_cygwin_files = yes]) + +dnl Defines that are required for specific platforms (e.g. -D_POSIX_SOURCE, etc) +PLATFORMCPPFLAGS= +case "$host_os" in + *mingw* ) PLATFORMCPPFLAGS=-D__USE_MINGW_ANSI_STDIO ;; +esac +AC_SUBST(PLATFORMCPPFLAGS) + +# Checks for programs. +AC_PROG_CC +AM_PROG_CC_C_O +AC_USE_SYSTEM_EXTENSIONS +AC_LIBTOOL_WIN32_DLL +AC_PROG_LIBTOOL +AC_CHECK_TOOL([STRIP],[strip]) + +# +# Options for building bsdtar. +# +# Default is to build bsdtar, but allow people to override that. +# +AC_ARG_ENABLE([bsdtar], + [AS_HELP_STRING([--enable-bsdtar], [enable build of bsdtar (default)]) + AS_HELP_STRING([--enable-bsdtar=static], [force static build of bsdtar]) + AS_HELP_STRING([--enable-bsdtar=shared], [force dynamic build of bsdtar]) +AS_HELP_STRING([--disable-bsdtar], [disable build of bsdtar])], + [], [enable_bsdtar=yes]) + +case "$enable_bsdtar" in +yes) + if test "$enable_static" = "no"; then + static_bsdtar=no + else + static_bsdtar=yes + fi + build_bsdtar=yes + ;; +dynamic|shared) + if test "$enable_shared" = "no"; then + AC_MSG_FAILURE([Shared linking of bsdtar requires shared libarchive]) + fi + build_bsdtar=yes + static_bsdtar=no + ;; +static) + build_bsdtar=yes + static_bsdtar=yes + ;; +no) + build_bsdtar=no + static_bsdtar=no + ;; +*) + AC_MSG_FAILURE([Unsupported value for --enable-bsdtar]) + ;; +esac + +AM_CONDITIONAL([BUILD_BSDTAR], [ test "$build_bsdtar" = yes ]) +AM_CONDITIONAL([STATIC_BSDTAR], [ test "$static_bsdtar" = yes ]) + +# +# Options for building bsdcpio. +# +# Default is not to build bsdcpio, but that can be overridden. +# +AC_ARG_ENABLE([bsdcpio], + [AS_HELP_STRING([--enable-bsdcpio], [enable build of bsdcpio (default)]) + AS_HELP_STRING([--enable-bsdcpio=static], [static build of bsdcpio]) + AS_HELP_STRING([--enable-bsdcpio=shared], [dynamic build of bsdcpio]) +AS_HELP_STRING([--disable-bsdcpio], [disable build of bsdcpio])], + [], [enable_bsdcpio=yes]) + +case "$enable_bsdcpio" in +yes) + if test "$enable_static" = "no"; then + static_bsdcpio=no + else + static_bsdcpio=yes + fi + build_bsdcpio=yes + ;; +dynamic|shared) + if test "$enabled_shared" = "no"; then + AC_MSG_FAILURE([Shared linking of bsdcpio requires shared libarchive]) + fi + build_bsdcpio=yes + ;; +static) + build_bsdcpio=yes + static_bsdcpio=yes + ;; +no) + build_bsdcpio=no + static_bsdcpio=no + ;; +*) + AC_MSG_FAILURE([Unsupported value for --enable-bsdcpio]) + ;; +esac + +AM_CONDITIONAL([BUILD_BSDCPIO], [ test "$build_bsdcpio" = yes ]) +AM_CONDITIONAL([STATIC_BSDCPIO], [ test "$static_bsdcpio" = yes ]) + +# Set up defines needed before including any headers +case $host in + *mingw* | *cygwin* ) + AC_DEFINE([_WIN32_WINNT], 0x0500, [Define to '0x0500' for Windows 2000 APIs.]) + AC_DEFINE([WINVER], 0x0500, [Define to '0x0500' for Windows 2000 APIs.]) + ;; +esac + +# Checks for header files. +AC_HEADER_DIRENT +AC_HEADER_SYS_WAIT +AC_CHECK_HEADERS([acl/libacl.h attr/xattr.h copyfile.h ctype.h]) +AC_CHECK_HEADERS([errno.h ext2fs/ext2_fs.h fcntl.h grp.h]) + +AC_CACHE_CHECK([whether EXT2_IOC_GETFLAGS is usable], + [ac_cv_have_decl_EXT2_IOC_GETFLAGS], + [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([@%:@include <sys/ioctl.h> +@%:@include <ext2fs/ext2_fs.h>], + [int x = EXT2_IOC_GETFLAGS])], + [AS_VAR_SET([ac_cv_have_decl_EXT2_IOC_GETFLAGS], [yes])], + [AS_VAR_SET([ac_cv_have_decl_EXT2_IOC_GETFLAGS], [no])])]) + +AS_VAR_IF([ac_cv_have_decl_EXT2_IOC_GETFLAGS], [yes], + [AC_DEFINE_UNQUOTED([HAVE_WORKING_EXT2_IOC_GETFLAGS], [1], + [Define to 1 if you have a working EXT2_IOC_GETFLAGS])]) + +AC_CHECK_HEADERS([inttypes.h io.h langinfo.h limits.h]) +AC_CHECK_HEADERS([linux/fiemap.h linux/fs.h linux/magic.h linux/types.h]) +AC_CHECK_HEADERS([locale.h paths.h poll.h pwd.h signal.h spawn.h]) +AC_CHECK_HEADERS([stdarg.h stdint.h stdlib.h string.h]) +AC_CHECK_HEADERS([sys/acl.h sys/cdefs.h sys/extattr.h]) +AC_CHECK_HEADERS([sys/ioctl.h sys/mkdev.h sys/mount.h]) +AC_CHECK_HEADERS([sys/param.h sys/poll.h sys/select.h sys/statfs.h sys/statvfs.h]) +AC_CHECK_HEADERS([sys/time.h sys/utime.h sys/utsname.h sys/vfs.h]) +AC_CHECK_HEADERS([time.h unistd.h utime.h wchar.h wctype.h]) +AC_CHECK_HEADERS([windows.h]) +# check windows.h first; the other headers require it. +AC_CHECK_HEADERS([wincrypt.h winioctl.h],[],[], +[[#ifdef HAVE_WINDOWS_H +# include <windows.h> +#endif +]]) + +# Checks for libraries. +AC_ARG_WITH([zlib], + AS_HELP_STRING([--without-zlib], [Don't build support for gzip through zlib])) + +if test "x$with_zlib" != "xno"; then + AC_CHECK_HEADERS([zlib.h]) + AC_CHECK_LIB(z,inflate) +fi + +AC_ARG_WITH([bz2lib], + AS_HELP_STRING([--without-bz2lib], [Don't build support for bzip2 through bz2lib])) + +if test "x$with_bz2lib" != "xno"; then + AC_CHECK_HEADERS([bzlib.h]) + case "$host_os" in + *mingw* | *cygwin*) + dnl AC_CHECK_LIB cannot be used on the Windows port of libbz2, therefore + dnl use AC_LINK_IFELSE. + AC_MSG_CHECKING([for BZ2_bzDecompressInit in -lbz2]) + old_LIBS="$LIBS" + LIBS="-lbz2 $LIBS" + AC_LINK_IFELSE( + [AC_LANG_SOURCE(#include <bzlib.h> + int main() { return BZ2_bzDecompressInit(NULL, 0, 0); })], + [ac_cv_lib_bz2_BZ2_bzDecompressInit=yes], + [ac_cv_lib_bz2_BZ2_bzDecompressInit=no]) + LIBS="$old_LIBS" + AC_MSG_RESULT($ac_cv_lib_bz2_BZ2_bzDecompressInit) + if test "x$ac_cv_lib_bz2_BZ2_bzDecompressInit" = xyes; then + AC_DEFINE([HAVE_LIBBZ2], [1], [Define to 1 if you have the `bz2' library (-lbz2).]) + LIBS="-lbz2 $LIBS" + fi + ;; + *) + AC_CHECK_LIB(bz2,BZ2_bzDecompressInit) + ;; + esac +fi + +AC_ARG_WITH([lzmadec], + AS_HELP_STRING([--without-lzmadec], [Don't build support for lzma through lzmadec])) + +if test "x$with_lzmadec" != "xno"; then + AC_CHECK_HEADERS([lzmadec.h]) + AC_CHECK_LIB(lzmadec,lzmadec_decode) +fi + +AC_ARG_WITH([iconv], + AS_HELP_STRING([--without-iconv], [Don't try to link against iconv])) + +if test "x$with_iconv" != "xno"; then + AM_ICONV + AC_CHECK_HEADERS([iconv.h],[],[],[#include <stdlib.h>]) + if test "x$am_cv_func_iconv" = "xyes"; then + AC_CHECK_HEADERS([localcharset.h]) + am_save_LIBS="$LIBS" + LIBS="${LIBS} ${LIBICONV}" + AC_CHECK_FUNCS([locale_charset]) + LIBS="${am_save_LIBS}" + if test "x$ac_cv_func_locale_charset" != "xyes"; then + # If locale_charset() is not in libiconv, we have to find libcharset. + AC_CHECK_LIB(charset,locale_charset) + fi + fi +fi + +AC_ARG_WITH([lzma], + AS_HELP_STRING([--without-lzma], [Don't build support for xz through lzma])) + +if test "x$with_lzma" != "xno"; then + AC_CHECK_HEADERS([lzma.h]) + AC_CHECK_LIB(lzma,lzma_stream_decoder) +fi + +AC_ARG_WITH([lzo2], + AS_HELP_STRING([--without-lzo2], [Don't build support for lzop through liblzo2])) + +if test "x$with_lzo2" != "xno"; then + AC_CHECK_HEADERS([lzo/lzoconf.h lzo/lzo1x.h]) + AC_CHECK_LIB(lzo2,lzo1x_decompress_safe) +fi + +AC_ARG_WITH([nettle], + AS_HELP_STRING([--without-nettle], [Don't build with crypto support from Nettle])) +AC_ARG_WITH([openssl], + AS_HELP_STRING([--without-openssl], [Don't build support for mtree and xar hashes through openssl])) +case "$host_os" in + *darwin* ) with_openssl=no ;; +esac + +AC_ARG_WITH([xml2], + AS_HELP_STRING([--without-xml2], [Don't build support for xar through libxml2])) +AC_ARG_WITH([expat], + AS_HELP_STRING([--without-expat], [Don't build support for xar through expat])) + +if test "x$with_xml2" != "xno"; then + AC_PATH_PROG([XML2_CONFIG], [xml2-config],, [${PATH}]) + if test "x$XML2_CONFIG" != "x"; then + CPPFLAGS="${CPPFLAGS} `${XML2_CONFIG} --cflags`" + LIBS="${LIBS} `${XML2_CONFIG} --libs`" + AC_CHECK_LIB(xml2,xmlInitParser,[true],AC_MSG_FAILURE(Missing xml2 library)) + else + AC_CHECK_LIB(xml2,xmlInitParser) + fi + AC_CHECK_HEADERS([libxml/xmlreader.h libxml/xmlwriter.h]) +fi +if test "x$ac_cv_header_libxml_xmlreader_h" != "xyes"; then + if test "x$with_expat" != "xno"; then + AC_CHECK_HEADERS([expat.h]) + AC_CHECK_LIB(expat,XML_ParserCreate) + fi +fi + +AC_ARG_ENABLE([posix-regex-lib], + [AS_HELP_STRING([--enable-posix-regex-lib], + [choose what library to use for POSIX regular expression support (default: auto)]) + AS_HELP_STRING([--enable-posix-regex-lib=libc], [use libc POSIX regular expression support]) + AS_HELP_STRING([--enable-posix-regex-lib=libregex], [use libregex POSIX regular expression support]) + AS_HELP_STRING([--enable-posix-regex-lib=libpcreposix], [use libpcreposix POSIX regular expression support]) + AS_HELP_STRING([--disable-posix-regex-lib], [don't enable POSIX regular expression support])], + [], [enable_posix_regex_lib=auto]) + +posix_regex_lib_found= +if test "$enable_posix_regex_lib" = "auto" || test "$enable_posix_regex_lib" = "libc" || test "$enable_posix_regex_lib" = "libregex"; then + AC_CHECK_HEADERS([regex.h]) + if test "x$ac_cv_header_regex_h" != "xno"; then + AC_CHECK_FUNC(regcomp) + if test "x$ac_cv_func_regcomp" = xyes; then + posix_regex_lib_found=1 + else + AC_CHECK_LIB(regex,regcomp) + if test "x$ac_cv_lib_regex_regcomp" = xyes; then + posix_regex_lib_found=1 + fi + fi + fi +fi +if test -z $posix_regex_lib_found && (test "$enable_posix_regex_lib" = "auto" || test "$enable_posix_regex_lib" = "libpcreposix"); then + AC_CHECK_HEADERS([pcreposix.h]) + AC_CHECK_LIB(pcreposix,regcomp) + if test "x$ac_cv_lib_pcreposix_regcomp" != xyes; then + AC_MSG_NOTICE(trying libpcreposix check again with libpcre) + unset ac_cv_lib_pcreposix_regcomp + AC_CHECK_LIB(pcre,pcre_exec) + AC_CHECK_LIB(pcreposix,regcomp) + if test "x$ac_cv_lib_pcre_pcre_exec" = xyes && test "x$ac_cv_lib_pcreposix_regcomp" = xyes; then + AC_MSG_CHECKING(if PCRE_STATIC needs to be defined) + AC_LINK_IFELSE( + [AC_LANG_SOURCE(#include <pcreposix.h> + int main() { return regcomp(NULL, NULL, 0); })], + [without_pcre_static=yes], + [without_pcre_static=no]) + AC_LINK_IFELSE( + [AC_LANG_SOURCE(#define PCRE_STATIC + #include <pcreposix.h> + int main() { return regcomp(NULL, NULL, 0); })], + [with_pcre_static=yes], + [with_pcre_static=no]) + if test "x$without_pcre_static" != xyes && test "x$with_pcre_static" = xyes; then + AC_MSG_RESULT(yes) + AC_DEFINE([PCRE_STATIC], [1], [Define to 1 if PCRE_STATIC needs to be defined.]) + elif test "x$without_pcre_static" = xyes || test "x$with_pcre_static" = xyes; then + AC_MSG_RESULT(no) + fi + posix_regex_lib_found=1 + fi + else + posix_regex_lib_found=1 + fi +fi + +# TODO: Give the user the option of using a pre-existing system +# libarchive. This will define HAVE_LIBARCHIVE which will cause +# bsdtar_platform.h to use #include <...> for the libarchive headers. +# Need to include Makefile.am magic to link against system +# -larchive in that case. +#AC_CHECK_LIB(archive,archive_version) + +# Checks for typedefs, structures, and compiler characteristics. +AC_C_CONST +# AC_TYPE_UID_T defaults to "int", which is incorrect for MinGW +# and MSVC. Use a customized version. +la_TYPE_UID_T +AC_TYPE_MODE_T +# AC_TYPE_OFF_T defaults to "long", which limits us to 4GB files on +# most systems... default to "long long" instead. +AC_CHECK_TYPE(off_t, [long long]) +AC_TYPE_SIZE_T +AC_CHECK_TYPE(id_t, [unsigned long]) +AC_CHECK_TYPE(uintptr_t, [unsigned int]) + +# Check for tm_gmtoff in struct tm +AC_CHECK_MEMBERS([struct tm.tm_gmtoff, struct tm.__tm_gmtoff],,, +[ +#include <time.h> +]) + +# Check for f_namemax in struct statfs +AC_CHECK_MEMBERS([struct statfs.f_namemax],,, +[ +#include <sys/param.h> +#include <sys/mount.h> +]) + +# Check for f_iosize in struct statvfs +AC_CHECK_MEMBERS([struct statvfs.f_iosize],,, +[ +#include <sys/statvfs.h> +]) + +# Check for birthtime in struct stat +AC_CHECK_MEMBERS([struct stat.st_birthtime]) + +# Check for high-resolution timestamps in struct stat +AC_CHECK_MEMBERS([struct stat.st_birthtimespec.tv_nsec]) +AC_CHECK_MEMBERS([struct stat.st_mtimespec.tv_nsec]) +AC_CHECK_MEMBERS([struct stat.st_mtim.tv_nsec]) +AC_CHECK_MEMBERS([struct stat.st_mtime_n]) # AIX +AC_CHECK_MEMBERS([struct stat.st_umtime]) # Tru64 +AC_CHECK_MEMBERS([struct stat.st_mtime_usec]) # Hurd +# Check for block size support in struct stat +AC_CHECK_MEMBERS([struct stat.st_blksize]) +# Check for st_flags in struct stat (BSD fflags) +AC_CHECK_MEMBERS([struct stat.st_flags]) + +# If you have uintmax_t, we assume printf supports %ju +# If you have unsigned long long, we assume printf supports %llu +# TODO: Check for %ju and %llu support directly. +AC_CHECK_TYPES([uintmax_t, unsigned long long]) + +# We use C99-style integer types +# Declare them if the local platform doesn't already do so. +AC_TYPE_INTMAX_T +AC_TYPE_UINTMAX_T +AC_TYPE_INT64_T +AC_TYPE_UINT64_T +AC_TYPE_INT32_T +AC_TYPE_UINT32_T +AC_TYPE_INT16_T +AC_TYPE_UINT16_T +AC_TYPE_UINT8_T + +AC_CHECK_DECLS([SIZE_MAX, INT64_MAX, INT64_MIN, UINT64_MAX, UINT32_MAX]) + +AC_CHECK_DECL([SSIZE_MAX], + [AC_DEFINE(HAVE_DECL_SSIZE_MAX, 1, [Define to 1 if you have the declaration of `SSIZE_MAX', and to 0 if you don't.])], + [], + [#include <limits.h>]) + +AC_CHECK_DECL([EFTYPE], + [AC_DEFINE(HAVE_EFTYPE, 1, [A possible errno value for invalid file format errors])], + [], + [#include <errno.h>]) +AC_CHECK_DECL([EILSEQ], + [AC_DEFINE(HAVE_EILSEQ, 1, [A possible errno value for invalid file format errors])], + [], + [#include <errno.h>]) +AC_CHECK_TYPE([wchar_t], + [AC_DEFINE_UNQUOTED(AS_TR_CPP(HAVE_[]wchar_t), 1, [Define to 1 if the system has the type `wchar_t'.])dnl + AC_CHECK_SIZEOF([wchar_t])], + []) + +AC_HEADER_TIME + +# Checks for library functions. +AC_PROG_GCC_TRADITIONAL +AC_HEADER_MAJOR +AC_FUNC_FSEEKO +AC_FUNC_MEMCMP +AC_FUNC_LSTAT +AC_FUNC_STAT +AC_FUNC_STRERROR_R +AC_FUNC_STRFTIME +AC_FUNC_VPRINTF +# check for: +# CreateHardLinkA(LPCSTR, LPCSTR, LPSECURITY_ATTRIBUTES) +# To avoid necessity for including windows.h or special forward declaration +# workarounds, we use 'void *' for 'struct SECURITY_ATTRIBUTES *' +AC_CHECK_STDCALL_FUNC([CreateHardLinkA],[const char *, const char *, void *]) +AC_CHECK_FUNCS([chflags chown chroot ctime_r dirfd]) +AC_CHECK_FUNCS([fchdir fchflags fchmod fchown fcntl fdopendir fork]) +AC_CHECK_FUNCS([fstat fstatat fstatfs fstatvfs ftruncate]) +AC_CHECK_FUNCS([futimens futimes futimesat]) +AC_CHECK_FUNCS([geteuid getpid getgrgid_r getgrnam_r]) +AC_CHECK_FUNCS([getpwnam_r getpwuid_r getvfsbyname gmtime_r]) +AC_CHECK_FUNCS([lchflags lchmod lchown link localtime_r lstat lutimes]) +AC_CHECK_FUNCS([mbrtowc memmove memset]) +AC_CHECK_FUNCS([mkdir mkfifo mknod mkstemp]) +AC_CHECK_FUNCS([nl_langinfo openat pipe poll posix_spawnp readlink readlinkat]) +AC_CHECK_FUNCS([select setenv setlocale sigaction statfs statvfs]) +AC_CHECK_FUNCS([strchr strdup strerror strncpy_s strrchr symlink timegm]) +AC_CHECK_FUNCS([tzset unsetenv utime utimensat utimes vfork]) +AC_CHECK_FUNCS([wcrtomb wcscmp wcscpy wcslen wctomb wmemcmp wmemcpy]) +AC_CHECK_FUNCS([_ctime64_s _fseeki64]) +AC_CHECK_FUNCS([_get_timezone _localtime64_s _mkgmtime64]) +# detects cygwin-1.7, as opposed to older versions +AC_CHECK_FUNCS([cygwin_conv_path]) + +# There are several variants of readdir_r around; we only +# accept the POSIX-compliant version. +AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM([[#include <dirent.h>]], + [[DIR *dir; struct dirent e, *r; + return(readdir_r(dir, &e, &r));]])], + [AC_DEFINE(HAVE_READDIR_R,1,[Define to 1 if you have a POSIX compatible readdir_r])] +) + +# FreeBSD's nl_langinfo supports an option to specify whether the +# current locale uses month/day or day/month ordering. It makes the +# output a little prettier... +AC_CHECK_DECL([D_MD_ORDER], +[AC_DEFINE(HAVE_D_MD_ORDER, 1, [Define to 1 if nl_langinfo supports D_MD_ORDER])], +[], +[#if HAVE_LANGINFO_H +#include <langinfo.h> +#endif +]) + +# Check for dirent.d_namlen field explicitly +# (This is a bit more straightforward than, if not quite as portable as, +# the recipe given by the autoconf maintainers.) +AC_CHECK_MEMBER(struct dirent.d_namlen,,, +[#if HAVE_DIRENT_H +#include <dirent.h> +#endif +]) + +# Check for Extended Attributes support +AC_ARG_ENABLE([xattr], + AS_HELP_STRING([--disable-xattr], + [Enable Extended Attributes support (default: check)])) + +if test "x$enable_xattr" != "xno"; then + AC_CHECK_HEADERS([attr/xattr.h]) + AC_CHECK_HEADERS([sys/xattr.h sys/ea.h]) + AC_CHECK_LIB(attr,setxattr) + AC_CHECK_FUNCS([extattr_get_file extattr_list_file]) + AC_CHECK_FUNCS([extattr_set_fd extattr_set_file]) + AC_CHECK_FUNCS([fgetxattr flistxattr fsetxattr getxattr]) + AC_CHECK_FUNCS([lgetxattr listxattr llistxattr lsetxattr]) + AC_CHECK_FUNCS([fgetea flistea fsetea getea]) + AC_CHECK_FUNCS([lgetea listea llistea lsetea]) + AC_CHECK_DECLS([EXTATTR_NAMESPACE_USER], [], [], [#include <sys/types.h> +#include <sys/extattr.h> +]) +fi + +# Check for ACL support +# +# The ACL support in libarchive is written against the POSIX1e draft, +# which was never officially approved and varies quite a bit across +# platforms. Worse, some systems have completely non-POSIX acl functions, +# which makes the following checks rather more complex than I would like. +# +AC_ARG_ENABLE([acl], + AS_HELP_STRING([--disable-acl], + [Enable ACL support (default: check)])) + +if test "x$enable_acl" != "xno"; then + AC_CHECK_HEADERS([sys/acl.h]) + AC_CHECK_LIB([acl],[acl_get_file]) + AC_CHECK_FUNCS([acl_create_entry acl_init acl_set_fd acl_set_fd_np acl_set_file]) + + AC_CHECK_TYPES(acl_permset_t,,, + [#if HAVE_SYS_TYPES_H + #include <sys/types.h> + #endif + #if HAVE_SYS_ACL_H + #include <sys/acl.h> + #endif + ]) + + # The "acl_get_perm()" function was omitted from the POSIX draft. + # (It's a pretty obvious oversight; otherwise, there's no way to + # test for specific permissions in a permset.) Linux uses the obvious + # name, FreeBSD adds _np to mark it as "non-Posix extension." + # Test for both as a double-check that we really have POSIX-style ACL support. + AC_CHECK_FUNCS(acl_get_perm_np acl_get_perm acl_get_link acl_get_link_np,,, + [#if HAVE_SYS_TYPES_H + #include <sys/types.h> + #endif + #if HAVE_SYS_ACL_H + #include <sys/acl.h> + #endif + ]) + + # MacOS has an acl.h that isn't POSIX. It can be detected by + # checking for ACL_USER + AC_CHECK_DECL([ACL_USER], + [AC_DEFINE(HAVE_ACL_USER, 1, [True for systems with POSIX ACL support])], + [], + [#include <sys/acl.h>]) +fi + +# Additional requirements +AC_SYS_LARGEFILE + +dnl NOTE: Crypto checks must run last. +AC_DEFUN([CRYPTO_CHECK], [ + if test "$found_$1" != yes; then + saved_CPPFLAGS="$CPPFLAGS" + CPPFLAGS="$CPPFLAGS -I. -I$srcdir -I$srcdir/libarchive" + touch "check_crypto_md.h" + AC_MSG_CHECKING([support for ARCHIVE_CRYPTO_$1_$2]) + AC_LINK_IFELSE([AC_LANG_SOURCE([ +#define ARCHIVE_$1_COMPILE_TEST +#define ARCHIVE_CRYPTO_$1_$2 +#define PLATFORM_CONFIG_H "check_crypto_md.h" + +$(cat "$srcdir/libarchive/archive_crypto.c") + +int +main(int argc, char **argv) +{ + archive_$3_ctx ctx; + archive_$3_init(&ctx); + archive_$3_update(&ctx, *argv, argc); + archive_$3_final(&ctx, NULL); + return 0; +} +])], + [ AC_MSG_RESULT([yes]) + found_$1=yes + found_$2=yes + AC_DEFINE(ARCHIVE_CRYPTO_$1_$2, 1, [ $1 via ARCHIVE_CRYPTO_$1_$2 supported.]) + ], + [ AC_MSG_RESULT([no])]) + CPPFLAGS="$saved_CPPFLAGS" + rm "check_crypto_md.h" + fi +]) + +AC_DEFUN([CRYPTO_CHECK_WIN], [ + if test "$found_$1" != yes; then + AC_MSG_CHECKING([support for ARCHIVE_CRYPTO_$1_WIN]) + AC_LINK_IFELSE([AC_LANG_SOURCE([ +#define ARCHIVE_$1_COMPILE_TEST +#include <windows.h> +#include <wincrypt.h> + +int +main(int argc, char **argv) +{ + (void)argc; + (void)argv; + + return ($2); +} +])], + [ AC_MSG_RESULT([yes]) + found_$1=yes + found_WIN=yes + AC_DEFINE(ARCHIVE_CRYPTO_$1_WIN, 1, [ $1 via ARCHIVE_CRYPTO_$1_WIN supported.]) + ], + [ AC_MSG_RESULT([no])]) + fi +]) + +case "$host_os" in + *mingw* | *cygwin*) + ;; + *) + CRYPTO_CHECK(MD5, LIBC, md5) + CRYPTO_CHECK(MD5, LIBSYSTEM, md5) + CRYPTO_CHECK(RMD160, LIBC, rmd160) + CRYPTO_CHECK(SHA1, LIBC, sha1) + CRYPTO_CHECK(SHA1, LIBSYSTEM, sha1) + CRYPTO_CHECK(SHA256, LIBC, sha256) + CRYPTO_CHECK(SHA256, LIBC2, sha256) + CRYPTO_CHECK(SHA256, LIBC3, sha256) + CRYPTO_CHECK(SHA256, LIBSYSTEM, sha256) + CRYPTO_CHECK(SHA384, LIBC, sha384) + CRYPTO_CHECK(SHA384, LIBC2, sha384) + CRYPTO_CHECK(SHA384, LIBC3, sha384) + CRYPTO_CHECK(SHA384, LIBSYSTEM, sha384) + CRYPTO_CHECK(SHA512, LIBC, sha512) + CRYPTO_CHECK(SHA512, LIBC2, sha512) + CRYPTO_CHECK(SHA512, LIBC3, sha512) + CRYPTO_CHECK(SHA512, LIBSYSTEM, sha512) + ;; +esac + +if test "x$with_nettle" != "xno"; then + AC_CHECK_HEADERS([nettle/md5.h nettle/ripemd160.h nettle/sha.h]) + saved_LIBS=$LIBS + AC_CHECK_LIB(nettle,main) + CRYPTO_CHECK(MD5, NETTLE, md5) + CRYPTO_CHECK(RMD160, NETTLE, rmd160) + CRYPTO_CHECK(SHA1, NETTLE, sha1) + CRYPTO_CHECK(SHA256, NETTLE, sha256) + CRYPTO_CHECK(SHA384, NETTLE, sha384) + CRYPTO_CHECK(SHA512, NETTLE, sha512) + if test "x$found_NETTLE" != "xyes"; then + LIBS=$saved_LIBS + fi +fi +if test "x$with_openssl" != "xno"; then + AC_CHECK_HEADERS([openssl/evp.h]) + saved_LIBS=$LIBS + case "$host_os" in + *mingw* | *cygwin*) + case "$host_cpu" in + x86_64) + AC_CHECK_LIB(eay64,main) + if test "x$ac_cv_lib_eay64_main" != "xyes"; then + AC_CHECK_LIB(eay32,main) + fi + ;; + *) + AC_CHECK_LIB(eay32,main) + ;; + esac + ;; + *) + AC_CHECK_LIB(crypto,main) + ;; + esac + CRYPTO_CHECK(MD5, OPENSSL, md5) + CRYPTO_CHECK(RMD160, OPENSSL, rmd160) + CRYPTO_CHECK(SHA1, OPENSSL, sha1) + CRYPTO_CHECK(SHA256, OPENSSL, sha256) + CRYPTO_CHECK(SHA384, OPENSSL, sha384) + CRYPTO_CHECK(SHA512, OPENSSL, sha512) + if test "x$found_OPENSSL" != "xyes"; then + LIBS=$saved_LIBS + fi +fi + +# Probe libmd AFTER OpenSSL/libcrypto. +# The two are incompatible and OpenSSL is more complete. +AC_CHECK_HEADERS([md5.h ripemd.h sha.h sha256.h sha512.h]) +saved_LIBS=$LIBS +AC_CHECK_LIB(md,main) +CRYPTO_CHECK(MD5, LIBMD, md5) +CRYPTO_CHECK(RMD160, LIBMD, rmd160) +CRYPTO_CHECK(SHA1, LIBMD, sha1) +CRYPTO_CHECK(SHA256, LIBMD, sha256) +CRYPTO_CHECK(SHA512, LIBMD, sha512) +if test "x$found_LIBMD" != "xyes"; then + LIBS=$saved_LIBS +fi + +case "$host_os" in + *mingw* | *cygwin*) + CRYPTO_CHECK_WIN(MD5, CALG_MD5) + CRYPTO_CHECK_WIN(SHA1, CALG_SHA1) + CRYPTO_CHECK_WIN(SHA256, CALG_SHA_256) + CRYPTO_CHECK_WIN(SHA384, CALG_SHA_384) + CRYPTO_CHECK_WIN(SHA512, CALG_SHA_512) + ;; +esac + +AC_OUTPUT |