2021-05-13 04:21:35 +00:00
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dnl #
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dnl # Check for a libfetch - either fetch(3) or libcurl.
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dnl #
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dnl # There are two configuration dimensions:
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dnl # * fetch(3) vs libcurl
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dnl # * static vs dynamic
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dnl #
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dnl # fetch(3) is only dynamic.
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dnl # We use sover 6, which first appeared in FreeBSD 8.0-RELEASE.
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dnl #
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dnl # libcurl development packages include curl-config(1) – we want:
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dnl # * HTTPS support
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dnl # * version at least 7.16 (October 2006), for sover 4
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dnl # * to decide if it's static or not
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dnl #
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AC_DEFUN([ZFS_AC_CONFIG_USER_LIBFETCH], [
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AC_MSG_CHECKING([for libfetch])
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LIBFETCH_LIBS=
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LIBFETCH_IS_FETCH=0
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LIBFETCH_IS_LIBCURL=0
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LIBFETCH_DYNAMIC=0
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LIBFETCH_SONAME=
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have_libfetch=
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saved_libs="$LIBS"
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LIBS="$LIBS -lfetch"
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AC_LINK_IFELSE([AC_LANG_PROGRAM([[
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#include <sys/param.h>
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#include <stdio.h>
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#include <fetch.h>
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]], [fetchGetURL("", "");])], [
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have_libfetch=1
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LIBFETCH_IS_FETCH=1
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LIBFETCH_DYNAMIC=1
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2022-01-06 19:26:40 +00:00
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LIBFETCH_SONAME="libfetch.so.6"
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2021-05-13 04:21:35 +00:00
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LIBFETCH_LIBS="-ldl"
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AC_MSG_RESULT([fetch(3)])
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], [])
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LIBS="$saved_libs"
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if test -z "$have_libfetch"; then
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if curl-config --protocols 2>/dev/null | grep -q HTTPS &&
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test "$(printf "%u" "0x$(curl-config --vernum)")" -ge "$(printf "%u" "0x071000")"; then
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have_libfetch=1
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LIBFETCH_IS_LIBCURL=1
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if test "$(curl-config --built-shared)" = "yes"; then
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LIBFETCH_DYNAMIC=1
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2022-01-06 19:26:40 +00:00
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LIBFETCH_SONAME="libcurl.so.4"
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2021-05-13 04:21:35 +00:00
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LIBFETCH_LIBS="-ldl"
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AC_MSG_RESULT([libcurl])
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else
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LIBFETCH_LIBS="$(curl-config --libs)"
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AC_MSG_RESULT([libcurl (static)])
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fi
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CCFLAGS="$CCFLAGS $(curl-config --cflags)"
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fi
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fi
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if test -z "$have_libfetch"; then
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AC_MSG_RESULT([none])
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fi
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AC_SUBST([LIBFETCH_LIBS])
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AC_SUBST([LIBFETCH_DYNAMIC])
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AC_SUBST([LIBFETCH_SONAME])
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AC_DEFINE_UNQUOTED([LIBFETCH_IS_FETCH], [$LIBFETCH_IS_FETCH], [libfetch is fetch(3)])
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AC_DEFINE_UNQUOTED([LIBFETCH_IS_LIBCURL], [$LIBFETCH_IS_LIBCURL], [libfetch is libcurl])
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AC_DEFINE_UNQUOTED([LIBFETCH_DYNAMIC], [$LIBFETCH_DYNAMIC], [whether the chosen libfetch is to be loaded at run-time])
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2022-01-06 19:26:40 +00:00
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AC_DEFINE_UNQUOTED([LIBFETCH_SONAME], ["$LIBFETCH_SONAME"], [soname of chosen libfetch])
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2021-05-13 04:21:35 +00:00
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])
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