[Buildroot] [PATCH] xmlstarlet: fix static linking problem

[Buildroot] [PATCH] xmlstarlet: fix static linking problem

[Waldemar Brodkorb]

Instead of patching configure.ac we can just add the missing
libraries to LIBS. Tested with m68k/arm static builds.
This makes the patch obsolete and the autoreconf can be avoided.

Fixes:
  http://autobuild.buildroot.net/results/02f9fc5884d3a7d460b96937183362d6c3fc6fde

Signed-off-by: Waldemar Brodkorb <wbx@openadk.org>
---
 ...Fix-static-linking-problem-with-libgcrypt.patch | 46 ----------------------
 package/xmlstarlet/xmlstarlet.mk                   |  4 +-
 2 files changed, 1 insertion(+), 49 deletions(-)
 delete mode 100644 package/xmlstarlet/0001-Fix-static-linking-problem-with-libgcrypt.patch

diff --git a/package/xmlstarlet/0001-Fix-static-linking-problem-with-libgcrypt.patch b/package/xmlstarlet/0001-Fix-static-linking-problem-with-libgcrypt.patch
deleted file mode 100644
index ea54c98..0000000
--- a/package/xmlstarlet/0001-Fix-static-linking-problem-with-libgcrypt.patch
+++ /dev/null
@@ -1,46 +0,0 @@
-From 8cee09b59a8c1ff2ebfc8c46097825d2eafdc4dd Mon Sep 17 00:00:00 2001
-From: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
-Date: Sat, 16 May 2015 17:32:13 +0200
-Subject: [PATCH] Fix static linking problem with libgcrypt
-
-When libgcrypt is used, it is linked with libgpg-error, so we should
-also test that libgpg-error is available, and include -lgpg-error in
-the LIBS variable.
-
-This fixes build issues like:
-
-  CCLD     xml
-/home/thomas/projets/buildroot/output/host/usr/bfin-buildroot-uclinux-uclibc/sysroot/usr/lib/libexslt.a(crypto.o): In function `_exsltCryptoGcryptInit':
-crypto.c:(.text+0x112): undefined reference to `_gcry_check_version'
-/home/thomas/projets/buildroot/output/host/usr/bfin-buildroot-uclinux-uclibc/sysroot/usr/lib/libexslt.a(crypto.o): In function `_exsltCryptoRc4DecryptFunction':
-crypto.c:(.text+0x316): undefined reference to `_gcry_cipher_open'
-crypto.c:(.text+0x32a): undefined reference to `_gcry_strerror'
-crypto.c:(.text+0x34c): undefined reference to `_gcry_cipher_setkey'
-
-Which are caused by the AC_SEARCH_LIBS() test for libgcrypt to fail
-due to -lgpg-error not been present in the LIBS variable.
-
-Note that using PKG_CHECK_MODULES() would be a much much better
-replacement than this complicated handling of static libraries, but
-it's a much more significant effort.
-
-Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
----
- configure.ac | 1 +
- 1 file changed, 1 insertion(+)
-
-diff --git a/configure.ac b/configure.ac
-index 4db0129..e378996 100644
---- a/configure.ac
-+++ b/configure.ac
-@@ -125,6 +125,7 @@ AS_IF([test "x$STATIC_LIBS" != xno],
-     [AC_SEARCH_LIBS([libiconv_open], [iconv], [], [], "$USER_LIBS")], "$USER_LIBS")
-     AC_SEARCH_LIBS([clock_gettime], [rt], [], [], "$USER_LIBS")
-     AC_SEARCH_LIBS([deflate], [z], [], [], "$USER_LIBS")
-+    AC_SEARCH_LIBS([gpg_strerror], [gpg-error], [], [], "$USER_LIBS")
-     AC_SEARCH_LIBS([gcry_cipher_encrypt], [gcrypt], [], [], "$USER_LIBS")
- 
-     # Checks for inet libraries:
--- 
-2.1.0
-
diff --git a/package/xmlstarlet/xmlstarlet.mk b/package/xmlstarlet/xmlstarlet.mk
index 7039d77..b4c05c3 100644
--- a/package/xmlstarlet/xmlstarlet.mk
+++ b/package/xmlstarlet/xmlstarlet.mk
@@ -8,8 +8,6 @@ XMLSTARLET_VERSION = 1.6.1
 XMLSTARLET_SITE = http://downloads.sourceforge.net/project/xmlstar/xmlstarlet/$(XMLSTARLET_VERSION)
 XMLSTARLET_LICENSE = MIT
 XMLSTARLET_LICENSE_FILES = COPYING
-# We're patching configure.ac
-XMLSTARLET_AUTORECONF = YES
 
 XMLSTARLET_DEPENDENCIES += libxml2 libxslt \
 	$(if $(BR2_PACKAGE_LIBICONV),libiconv)
@@ -21,7 +19,7 @@ XMLSTARLET_CONF_OPTS += \
 
 ifeq ($(BR2_STATIC_LIBS),y)
 XMLSTARLET_CONF_OPTS += --enable-static-libs
-XMLSTARLET_CONF_ENV = LIBS="`$(PKG_CONFIG_HOST_BINARY) --libs libxml-2.0`"
+XMLSTARLET_CONF_ENV = LIBS="`$(PKG_CONFIG_HOST_BINARY) --libs libxml-2.0 libexslt` $(if $(BR2_NEEDS_GETTEXT_IF_LOCALE),-lintl)"
 else
 XMLSTARLET_CONF_OPTS += --disable-static-libs
 endif
-- 
2.1.4

[Buildroot] [PATCH] xmlstarlet: fix static linking problem

[Thomas Petazzoni]

Hello,

On Mon, 7 Nov 2016 19:14:29 +0100, Waldemar Brodkorb wrote:
> Instead of patching configure.ac we can just add the missing
> libraries to LIBS. Tested with m68k/arm static builds.
> This makes the patch obsolete and the autoreconf can be avoided.
> 
> Fixes:
>   http://autobuild.buildroot.net/results/02f9fc5884d3a7d460b96937183362d6c3fc6fde
> 
> Signed-off-by: Waldemar Brodkorb <wbx@openadk.org>
> ---
>  ...Fix-static-linking-problem-with-libgcrypt.patch | 46 ----------------------
>  package/xmlstarlet/xmlstarlet.mk                   |  4 +-
>  2 files changed, 1 insertion(+), 49 deletions(-)
>  delete mode 100644 package/xmlstarlet/0001-Fix-static-linking-problem-with-libgcrypt.patch

I've applied to master, thanks. However, it's worth mentioning that:

 1. My patch had in fact been merged upstream
 (https://sourceforge.net/p/xmlstar/code/ci/0380e4d1e2d02aec868b7199e71bbe56e8161223/)
 even if I agree it's by far not the best solution.

 2. The proper solution would be to improve the configure.ac script to
 use pkg-config directly. But since upstream is not very active, and
 hasn't done a release since 2014, I can understand that you may not
 been very motivated to do this work.

Thanks,

Thomas
-- 
Thomas Petazzoni, CTO, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com