From 9c7613dd25b5e1e9e3e962bcf25377b9625eb5b4 Mon Sep 17 00:00:00 2001
From: Sebastian Kemper <sebastian_ml@gmx.net>
Date: Sun, 8 Jul 2018 12:02:48 +0200
Subject: [PATCH] libzdb: fix uclibc build issue

libmariadb 10.2 needs to be linked in together with iconv. On musl and
glibc iconv is part of libc. That's not the case for uclibc, where
libiconv-full needs to be used. This commit adds -liconv to the linker
flags and aids libzdb in finding libiconv.

Signed-off-by: Sebastian Kemper <sebastian_ml@gmx.net>
---
 libs/libzdb/Makefile                              | 10 +++++++++-
 libs/libzdb/patches/010-cross-compile-fixes.patch |  2 +-
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/libs/libzdb/Makefile b/libs/libzdb/Makefile
index 1034d041d..8c0f9c5a2 100644
--- a/libs/libzdb/Makefile
+++ b/libs/libzdb/Makefile
@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=libzdb
 PKG_VERSION:=3.1
-PKG_RELEASE:=4
+PKG_RELEASE:=5
 PKG_LICENSE:=GPL-3.0
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
@@ -23,6 +23,14 @@ PKG_BUILD_DEPENDS:=libzdb/host
 
 include $(INCLUDE_DIR)/package.mk
 
+# Help libzdb find libiconv.so when using uClibc.
+ifneq ($(CONFIG_USE_UCLIBC),)
+TARGET_CPPFLAGS+= \
+	-I$(STAGING_DIR)/usr/lib/libiconv-full/include
+TARGET_LDFLAGS += \
+	-L$(STAGING_DIR)/usr/lib/libiconv-full/lib
+endif
+
 define Package/libzdb
     SECTION:=libs
     CATEGORY:=Libraries
diff --git a/libs/libzdb/patches/010-cross-compile-fixes.patch b/libs/libzdb/patches/010-cross-compile-fixes.patch
index e765da80e..6b6b7d3f0 100644
--- a/libs/libzdb/patches/010-cross-compile-fixes.patch
+++ b/libs/libzdb/patches/010-cross-compile-fixes.patch
@@ -40,7 +40,7 @@ diff -rupN libzdb-3.1.orig/configure.ac libzdb-3.1/configure.ac
 -                DBCPPFLAGS="$DBCPPFLAGS `$MYSQLCONFIG --include`"
 -                DBLDFLAGS="$DBLDFLAGS `$MYSQLCONFIG --libs`"
 +                DBCPPFLAGS="$DBCPPFLAGS -I$STAGING_DIR/usr/include/mysql"
-+                DBLDFLAGS="$DBLDFLAGS -L$STAGING_DIR/usr/lib/mysql -L$STAGING_DIR/usr/lib -lmysqlclient -lz -lcrypt -lm"
++                DBLDFLAGS="$DBLDFLAGS -L$STAGING_DIR/usr/lib/mysql -L$STAGING_DIR/usr/lib -lmysqlclient -liconv -lz -lcrypt -lm"
                  AC_DEFINE([HAVE_LIBMYSQLCLIENT], 1, [Define to 1 to enable mysql])
          else
                  CPPFLAGS=$svd_CPPFLAGS