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-rw-r--r--m4/dpkg-progs.m484
1 files changed, 84 insertions, 0 deletions
diff --git a/m4/dpkg-progs.m4 b/m4/dpkg-progs.m4
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+# Copyright © 2005 Scott James Remnant <scott@netsplit.com>
+# Copyright © 2007 Frank Lichtenheld <djpig@debian.org>
+# Copyright © 2007, 2009, 2011 Guillem Jover <guillem@debian.org>
+
+# DPKG_PROG_PERL
+# --------------
+# Locate perl interpreter in the path
+AC_DEFUN([DPKG_PROG_PERL], [
+ AC_ARG_VAR([PERL], [Perl interpreter])dnl
+ m4_define([_PERL_MIN_VERSION], [5.20.2])
+ AC_SUBST([PERL_MIN_VERSION], [_PERL_MIN_VERSION])
+ AC_CACHE_CHECK([for perl >= _PERL_MIN_VERSION], [ac_cv_path_PERL], [
+ AC_PATH_PROGS_FEATURE_CHECK([PERL], [perl], [
+ perlcheck=$(test -x $ac_path_PERL && \
+ $ac_path_PERL -MConfig -Mversion -e \
+ 'my $r = qv("v$Config{version}") >= qv("_PERL_MIN_VERSION");
+ print "yes" if $r')
+ AS_IF([test "x$perlcheck" = "xyes"], [
+ ac_cv_path_PERL=$ac_path_PERL ac_path_PERL_found=:
+ ])
+ ], [
+ AC_MSG_ERROR([cannot find perl >= _PERL_MIN_VERSION])
+ ])
+ ])
+ AC_SUBST([PERL], [$ac_cv_path_PERL])
+ AC_ARG_VAR([PERL_LIBDIR], [Perl library directory])dnl
+ # Let the user override the variable.
+ AS_IF([test -z "$PERL_LIBDIR"], [
+ PERL_LIBDIR=$($PERL -MConfig -e \
+ 'my $r = $Config{vendorlibexp};
+ $r =~ s/$Config{vendorprefixexp}/\$(prefix)/;
+ print $r')
+ ])
+])# DPKG_PROG_PERL
+
+# DPKG_PROG_PO4A
+# --------------
+AC_DEFUN([DPKG_PROG_PO4A], [
+ AC_REQUIRE([AM_NLS])
+ AC_ARG_VAR([PO4A], [po4a program])
+ AC_CHECK_PROGS([PO4A], [po4a])
+ AS_IF([test "$USE_NLS" = "yes" && test -n "$PO4A"], [
+ USE_PO4A=yes
+ ], [
+ USE_PO4A=no
+ ])
+ AC_SUBST([USE_PO4A])
+])# DPKG_PROG_PO4A
+
+# DPKG_PROG_POD2MAN
+# --------------
+AC_DEFUN([DPKG_PROG_POD2MAN], [
+ AC_ARG_VAR([POD2MAN], [pod2man program])
+ AC_CHECK_PROGS([POD2MAN], [pod2man])
+ AM_CONDITIONAL([BUILD_POD_DOC], [test "x$POD2MAN" != "x"])
+])# DPKG_PROG_POD2MAN
+
+# DPKG_DEB_PROG_TAR
+# -----------------
+# Specify GNU tar program name to use by dpkg-deb. On GNU systems this is
+# usually simply tar, on BSD systems this is usually gnutar or gtar.
+AC_DEFUN([DPKG_DEB_PROG_TAR], [
+ AC_ARG_VAR([TAR], [GNU tar program])
+ AC_CHECK_PROGS([TAR], [gnutar gtar tar], [tar])
+ AS_IF([! $TAR --version 2>/dev/null | grep -q '^tar (GNU tar)'], [
+ AC_MSG_ERROR([cannot find a GNU tar program])
+ ])
+ AC_DEFINE_UNQUOTED([TAR], ["$TAR"], [GNU tar program])
+])# DPKG_DEB_PROG_TAR
+
+# DPKG_PROG_PATCH
+# ---------------
+# Specify GNU patch program name to use by dpkg-source. On GNU systems this
+# is usually simply patch, on BSD systems this is usually gpatch.
+# Even though most invocations would work with other patch implementations,
+# currently only GNU patch is directory traversal resistant.
+AC_DEFUN([DPKG_PROG_PATCH], [
+ AC_ARG_VAR([PATCH], [GNU patch program])
+ AC_CHECK_PROGS([PATCH], [gpatch patch], [patch])
+ AS_IF([! $PATCH --version 2>/dev/null | grep -q '^GNU patch'], [
+ AC_MSG_ERROR([cannot find a GNU patch program])
+ ])
+ AC_DEFINE_UNQUOTED([PATCH], ["$PATCH"], [GNU patch program])
+])# DPKG_PROG_PATCH