mirror of https://github.com/postgres/postgres
79 lines
2.7 KiB
Plaintext
79 lines
2.7 KiB
Plaintext
# config/perl.m4
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# PGAC_PATH_PERL
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# --------------
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AC_DEFUN([PGAC_PATH_PERL],
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[# Let the user override the search
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if test -z "$PERL"; then
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AC_PATH_PROG(PERL, perl)
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fi
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if test "$PERL"; then
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pgac_perl_version=`$PERL -v 2>/dev/null | sed -n ['s/This is perl.*v[a-z ]*\([0-9]\.[0-9][0-9.]*\).*$/\1/p']`
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AC_MSG_NOTICE([using perl $pgac_perl_version])
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if echo "$pgac_perl_version" | sed ['s/[.a-z_]/ /g'] | \
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$AWK '{ if ([$]1 = 5 && [$]2 >= 8) exit 1; else exit 0;}'
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then
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AC_MSG_WARN([
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*** The installed version of Perl, $PERL, is too old to use with PostgreSQL.
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*** Perl version 5.8 or later is required, but this is $pgac_perl_version.])
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PERL=""
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fi
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fi
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if test -z "$PERL"; then
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AC_MSG_WARN([
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*** Without Perl you will not be able to build PostgreSQL from Git.
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*** You can obtain Perl from any CPAN mirror site.
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*** (If you are using the official distribution of PostgreSQL then you do not
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*** need to worry about this, because the Perl output is pre-generated.)])
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fi
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])# PGAC_PATH_PERL
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# PGAC_CHECK_PERL_CONFIG(NAME)
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# ----------------------------
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AC_DEFUN([PGAC_CHECK_PERL_CONFIG],
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[AC_REQUIRE([PGAC_PATH_PERL])
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AC_MSG_CHECKING([for Perl $1])
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perl_$1=`$PERL -MConfig -e 'print $Config{$1}'`
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test "$PORTNAME" = "win32" && perl_$1=`echo $perl_$1 | sed 's,\\\\,/,g'`
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AC_SUBST(perl_$1)dnl
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AC_MSG_RESULT([$perl_$1])])
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# PGAC_CHECK_PERL_CONFIGS(NAMES)
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# ------------------------------
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AC_DEFUN([PGAC_CHECK_PERL_CONFIGS],
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[m4_foreach([pgac_item], [$1], [PGAC_CHECK_PERL_CONFIG(pgac_item)])])
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# PGAC_CHECK_PERL_EMBED_LDFLAGS
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# -----------------------------
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# We are after Embed's ldopts, but without the subset mentioned in
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# Config's ccdlflags; and also without any -arch flags, which recent
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# Apple releases put in unhelpfully. (If you want a multiarch build
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# you'd better be specifying it in more places than plperl's final link.)
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AC_DEFUN([PGAC_CHECK_PERL_EMBED_LDFLAGS],
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[AC_REQUIRE([PGAC_PATH_PERL])
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AC_MSG_CHECKING(for flags to link embedded Perl)
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if test "$PORTNAME" = "win32" ; then
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perl_lib=`basename $perl_archlibexp/CORE/perl[[5-9]]*.lib .lib`
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test -e "$perl_archlibexp/CORE/$perl_lib.lib" && perl_embed_ldflags="-L$perl_archlibexp/CORE -l$perl_lib"
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else
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pgac_tmp1=`$PERL -MExtUtils::Embed -e ldopts`
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pgac_tmp2=`$PERL -MConfig -e 'print $Config{ccdlflags}'`
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perl_embed_ldflags=`echo X"$pgac_tmp1" | sed -e "s/^X//" -e "s%$pgac_tmp2%%" -e ["s/ -arch [-a-zA-Z0-9_]*//g"]`
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fi
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AC_SUBST(perl_embed_ldflags)dnl
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if test -z "$perl_embed_ldflags" ; then
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AC_MSG_RESULT(no)
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AC_MSG_ERROR([could not determine flags for linking embedded Perl.
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This probably means that ExtUtils::Embed or ExtUtils::MakeMaker is not
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installed.])
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else
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AC_MSG_RESULT([$perl_embed_ldflags])
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fi
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])# PGAC_CHECK_PERL_EMBED_LDFLAGS
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