[apophenia] 01/01: Import m4/ld-version-script.m4 via Debian patch

[Jerome Benoit]

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calculus-guest pushed a commit to branch master
in repository apophenia.

commit 32c5fcb8e707037555eb5a10228cc4e05e7efc5b
Author: Jerome Benoit <calculus at rezozer.net>
Date:   Mon Sep 8 19:58:05 2014 +0200

    Import m4/ld-version-script.m4 via Debian patch
---
 debian/patches/series                      |  2 +-
 debian/patches/upstream-autotools-m4.patch | 63 ++++++++++++++++++++++++++++++
 2 files changed, 64 insertions(+), 1 deletion(-)

diff --git a/debian/patches/series b/debian/patches/series
index 66fe416..515a7e8 100644
--- a/debian/patches/series
+++ b/debian/patches/series
@@ -1,4 +1,4 @@
-upstreamt-autotools-m4.patch
+upstream-autotools-m4.patch
 debianization.patch
 debianization-help2man.patch
 debianization-documentation.patch
diff --git a/debian/patches/upstream-autotools-m4.patch b/debian/patches/upstream-autotools-m4.patch
new file mode 100644
index 0000000..abbeee4
--- /dev/null
+++ b/debian/patches/upstream-autotools-m4.patch
@@ -0,0 +1,63 @@
+Description: autotools machinery
+ Bring the missing m4/ld-version-script.m4 M4 material from GNULib;
+ meant to be submitted to the upstream maintainer.
+Origin: debian
+Author: Jerome Benoit <calculus at rezozer.net>
+Last-Update: 2014-08-08
+
+--- /dev/null
++++ b/m4/ld-version-script.m4
+@@ -0,0 +1,53 @@
++# ld-version-script.m4 serial 3
++dnl Copyright (C) 2008-2014 Free Software Foundation, Inc.
++dnl This file is free software; the Free Software Foundation
++dnl gives unlimited permission to copy and/or distribute it,
++dnl with or without modifications, as long as this notice is preserved.
++
++dnl From Simon Josefsson
++
++# FIXME: The test below returns a false positive for mingw
++# cross-compiles, 'local:' statements does not reduce number of
++# exported symbols in a DLL.  Use --disable-ld-version-script to work
++# around the problem.
++
++# gl_LD_VERSION_SCRIPT
++# --------------------
++# Check if LD supports linker scripts, and define automake conditional
++# HAVE_LD_VERSION_SCRIPT if so.
++AC_DEFUN([gl_LD_VERSION_SCRIPT],
++[
++  AC_ARG_ENABLE([ld-version-script],
++    AS_HELP_STRING([--enable-ld-version-script],
++      [enable linker version script (default is enabled when possible)]),
++      [have_ld_version_script=$enableval], [])
++  if test -z "$have_ld_version_script"; then
++    AC_MSG_CHECKING([if LD -Wl,--version-script works])
++    save_LDFLAGS="$LDFLAGS"
++    LDFLAGS="$LDFLAGS -Wl,--version-script=conftest.map"
++    cat > conftest.map <<EOF
++foo
++EOF
++    AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
++                   [accepts_syntax_errors=yes], [accepts_syntax_errors=no])
++    if test "$accepts_syntax_errors" = no; then
++      cat > conftest.map <<EOF
++VERS_1 {
++        global: sym;
++};
++
++VERS_2 {
++        global: sym;
++} VERS_1;
++EOF
++      AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
++                     [have_ld_version_script=yes], [have_ld_version_script=no])
++    else
++      have_ld_version_script=no
++    fi
++    rm -f conftest.map
++    LDFLAGS="$save_LDFLAGS"
++    AC_MSG_RESULT($have_ld_version_script)
++  fi
++  AM_CONDITIONAL(HAVE_LD_VERSION_SCRIPT, test "$have_ld_version_script" = "yes")
++])

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