diff options
Diffstat (limited to 'm4/dpkg-libs.m4')
| -rw-r--r-- | m4/dpkg-libs.m4 | 238 |
1 files changed, 238 insertions, 0 deletions
diff --git a/m4/dpkg-libs.m4 b/m4/dpkg-libs.m4 new file mode 100644 index 0000000..556446a --- /dev/null +++ b/m4/dpkg-libs.m4 @@ -0,0 +1,238 @@ +# serial 1 +# Copyright © 2004 Scott James Remnant <scott@netsplit.com> +# Copyright © 2007 Nicolas François <nicolas.francois@centraliens.net> +# Copyright © 2006, 2009-2012, 2014-2015 Guillem Jover <guillem@debian.org> + +# DPKG_LIB_MD +# ----------- +# Check for the message digest library. +AC_DEFUN([DPKG_LIB_MD], [ + AC_ARG_VAR([MD_LIBS], [linker flags for md library]) + have_libmd="no" + AC_CHECK_HEADERS([md5.h], [ + dpkg_save_libmd_LIBS=$LIBS + AC_SEARCH_LIBS([MD5Init], [md]) + LIBS=$dpkg_save_libmd_LIBS + AS_IF([test "x$ac_cv_search_MD5Init" = "xnone required"], [ + have_libmd="builtin" + ], [test "x$ac_cv_search_MD5Init" != "xno"], [ + have_libmd="yes" + MD_LIBS="$ac_cv_search_MD5Init" + ]) + ]) + AS_IF([test "x$have_libmd" = "xno"], [ + AC_MSG_FAILURE([md5 digest functions not found]) + ]) +])# DPKG_LIB_MD + +# DPKG_WITH_COMPRESS_LIB(NAME, HEADER, FUNC) +# ------------------------------------------------- +# Check for availability of a compression library. +AC_DEFUN([DPKG_WITH_COMPRESS_LIB], [ + AC_ARG_VAR(AS_TR_CPP([$1_LIBS]), [linker flags for $1 library]) + AC_ARG_WITH([lib$1], + [AS_HELP_STRING([--with-lib$1], + [use $1 library for compression and decompression])], + [], [AS_TR_SH([with_lib$1])=check]) + AS_TR_SH([have_lib$1])="no" + AS_IF([test "x$AS_TR_SH([with_lib$1])" != "xno"], [ + AC_CHECK_LIB([$1], [$3], [ + AC_CHECK_HEADER([$2], [ + AS_TR_SH([have_lib$1])="yes" + ]) + ]) + + AS_IF([test "x$AS_TR_SH([with_lib$1])" != "xno"], [ + AS_IF([test "x$AS_TR_SH([have_lib$1])" = "xyes"], [ + AC_DEFINE(AS_TR_CPP([WITH_LIB$1]), 1, + [Define to 1 to use $1 library rather than console tool]) + AS_IF([test "x$AS_TR_SH([with_lib$1])" = "xstatic"], [ + AS_TR_SH([dpkg_$1_libs])="-Wl,-Bstatic -l$1 -Wl,-Bdynamic" + ], [ + AS_TR_SH([dpkg_$1_libs])="-l$1" + ]) + AS_TR_CPP([$1_LIBS])="${AS_TR_CPP([$1_LIBS]):+$AS_TR_CPP([$1_LIBS]) }$AS_TR_SH([dpkg_$1_libs])" + ], [ + AS_IF([test "x$AS_TR_SH([with_lib$1])" != "xcheck"], [ + AC_MSG_FAILURE([lib$1 library or header not found]) + ]) + ]) + ]) + ]) +])# DPKG_WITH_COMPRESS_LIB + +# DPKG_LIB_Z +# ---------- +# Check for z-ng and z libraries. +AC_DEFUN([DPKG_LIB_Z], [ + DPKG_WITH_COMPRESS_LIB([z], [zlib.h], [gzdopen]) + DPKG_WITH_COMPRESS_LIB([z-ng], [zlib-ng.h], [zng_gzdopen]) + + AC_DEFINE([USE_LIBZ_IMPL_NONE], [0], + [Define none as 0 for the zlib implementation enum]) + AC_DEFINE([USE_LIBZ_IMPL_ZLIB], [1], + [Define zlib as 1 for the zlib implementation enum]) + AC_DEFINE([USE_LIBZ_IMPL_ZLIB_NG], [2], + [Define zlib-ng as 2 for the zlib implementation enum]) + + # If we have been requested the stock zlib, override the auto-detection. + AS_IF([test "x$with_libz" != "xyes" && test "x$have_libz_ng" = "xyes"], [ + AC_DEFINE([WITH_GZFILEOP], [yes], + [Define to yes to use zlib-ng gzFile IO support]) + Z_LIBS=$Z_NG_LIBS + use_libz_impl="USE_LIBZ_IMPL_ZLIB_NG" + have_libz_impl="yes (zlib-ng)" + ], [test "x$have_libz" = "xyes"], [ + use_libz_impl="USE_LIBZ_IMPL_ZLIB" + have_libz_impl="yes (zlib)" + ], [ + use_libz_impl="USE_LIBZ_IMPL_NONE" + have_libz_impl="no" + ]) + AC_DEFINE_UNQUOTED([USE_LIBZ_IMPL], [$use_libz_impl], + [Define to the zlib implementation to use]) +])# DPKG_LIB_Z + +# DPKG_LIB_LZMA +# ------------- +# Check for lzma library. +AC_DEFUN([DPKG_LIB_LZMA], [ + DPKG_WITH_COMPRESS_LIB([lzma], [lzma.h], [lzma_alone_decoder]) + AC_CHECK_LIB([lzma], [lzma_stream_encoder_mt], [ + AC_DEFINE([HAVE_LZMA_MT_ENCODER], [1], + [xz multi-threaded compression support]) + ]) + AC_CHECK_LIB([lzma], [lzma_stream_decoder_mt], [ + AC_DEFINE([HAVE_LZMA_MT_DECODER], [1], + [xz multi-threaded decompression support]) + ]) +])# DPKG_LIB_LZMA + +# DPKG_LIB_ZSTD +# ------------ +# Check for zstd library. +AC_DEFUN([DPKG_LIB_ZSTD], [ + DPKG_WITH_COMPRESS_LIB([zstd], [zstd.h], [ZSTD_compressStream2]) +])# DPKG_LIB_ZSTD + +# DPKG_LIB_BZ2 +# ------------ +# Check for bz2 library. +AC_DEFUN([DPKG_LIB_BZ2], [ + DPKG_WITH_COMPRESS_LIB([bz2], [bzlib.h], [BZ2_bzdopen]) +])# DPKG_LIB_BZ2 + +# DPKG_LIB_SELINUX +# ---------------- +# Check for selinux library. +AC_DEFUN([DPKG_LIB_SELINUX], [ + AC_REQUIRE([PKG_PROG_PKG_CONFIG]) + m4_ifndef([PKG_PROG_PKG_CONFIG], [m4_fatal([missing pkg-config macros])]) + AC_ARG_VAR([SELINUX_LIBS], [linker flags for selinux library])dnl + AC_ARG_WITH([libselinux], + [AS_HELP_STRING([--with-libselinux], + [use selinux library to set security contexts])], + [], [with_libselinux=check]) + SELINUX_MIN_VERSION=2.3 + have_libselinux="no" + AS_IF([test "x$with_libselinux" != "xno"], [ + PKG_CHECK_MODULES([SELINUX], [libselinux >= $SELINUX_MIN_VERSION], [ + AC_CHECK_HEADER([selinux/selinux.h], [ + AC_DEFINE([WITH_LIBSELINUX], [1], + [Define to 1 to compile in SELinux support]) + have_libselinux="yes" + ], [ + AS_IF([test "x$with_libselinux" != "xcheck"], [ + AC_MSG_FAILURE([libselinux header not found]) + ]) + ]) + AC_CHECK_LIB([selinux], [setexecfilecon], [], [ + AC_MSG_FAILURE([libselinux does not support setexecfilecon()]) + ]) + ], [ + AS_IF([test "x$with_libselinux" != "xcheck"], [ + AC_MSG_FAILURE([libselinux at least $SELINUX_MIN_VERSION not found]) + ]) + ]) + ]) + AM_CONDITIONAL([WITH_LIBSELINUX], [test "x$have_libselinux" = "xyes"]) +])# DPKG_LIB_SELINUX + +# _DPKG_CHECK_LIB_CURSES_NARROW +# ----------------------------- +# Check for narrow curses library. +AC_DEFUN([_DPKG_CHECK_LIB_CURSES_NARROW], [ + AC_CHECK_LIB([ncurses], [initscr], [ + CURSES_LIBS="${CURSES_LIBS:+$CURSES_LIBS }-lncurses" + ], [ + AC_CHECK_LIB([curses], [initscr], [ + CURSES_LIBS="${CURSES_LIBS:+$CURSES_LIBS }-lcurses" + ], [ + AC_MSG_ERROR([no curses library found]) + ]) + ]) +])# DPKG_CHECK_LIB_CURSES_NARROW + +# DPKG_LIB_CURSES +# --------------- +# Check for curses library. +AC_DEFUN([DPKG_LIB_CURSES], [ + AC_REQUIRE([DPKG_UNICODE]) + AC_ARG_VAR([CURSES_LIBS], [linker flags for curses library])dnl + AC_CHECK_HEADERS([ncurses/ncurses.h ncurses.h curses.h ncurses/term.h term.h], + [have_curses_header=yes]) + AS_IF([test "x$USE_UNICODE" = "xyes"], [ + AC_CHECK_HEADERS([ncursesw/ncurses.h ncursesw/term.h], + [have_curses_header=yes]) + AC_CHECK_LIB([ncursesw], [initscr], [ + CURSES_LIBS="${CURSES_LIBS:+$CURSES_LIBS }-lncursesw" + ], [ + _DPKG_CHECK_LIB_CURSES_NARROW() + ]) + ], [ + _DPKG_CHECK_LIB_CURSES_NARROW() + ]) + AS_IF([test "x$have_curses_header" != "xyes"], [ + AC_MSG_FAILURE([curses header not found]) + ]) + have_libcurses=yes +])# DPKG_LIB_CURSES + +# DPKG_LIB_SOCKET +# --------------- +# Check for socket library +AC_DEFUN([DPKG_LIB_SOCKET], [ + AC_ARG_VAR([SOCKET_LIBS], [linker flags for socket library])dnl + have_libsocket="no" + dpkg_save_libsocket_LIBS=$LIBS + AC_SEARCH_LIBS([bind], [socket]) + LIBS=$dpkg_save_libsocket_LIBS + AS_IF([test "x$ac_cv_search_bind" = "xnone required"], [ + have_libsocket="builtin" + ], [test "x$ac_cv_search_bind" != "xno"], [ + have_libsocket="yes" + SOCKET_LIBS="$ac_cv_search_bind" + ]) +])# DPKG_LIB_SOCKET + +# DPKG_LIB_PS +# ----------- +# Check for GNU/Hurd ps library +AC_DEFUN([DPKG_LIB_PS], [ + AC_ARG_VAR([PS_LIBS], [linker flags for ps library])dnl + AC_CHECK_LIB([ps], [proc_stat_list_create], [ + PS_LIBS="-lps" + have_libps=yes + ]) +])# DPKG_LIB_PS + +# DPKG_LIB_KVM +# ------------ +# Check for BSD kvm library +AC_DEFUN([DPKG_LIB_KVM], [ + AC_ARG_VAR([KVM_LIBS], [linker flags for kvm library])dnl + AC_CHECK_LIB([kvm], [kvm_openfiles], [ + KVM_LIBS="-lkvm" + have_libkvm=yes + ]) +])# DPKG_LIB_KVM |