libebml: don't rely on make -e, obey LDFLAGS

We need to obey LDFLAGS to get the correct hash style for external toolchains,
and passing vars explicitly is better than relying on implicitly overriding
everything blindly from the environment.

Signed-off-by: Christopher Larson <chris_larson@mentor.com>
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
(cherry picked from commit 64d874f768207a8a1e27a5c6edd3abe90607af03)
Signed-off-by: Armin Kuster <akuster808@gmail.com>

3 files changed, 138 insertions, 5 deletions

diff --git a/meta-multimedia/recipes-mkv/libebml/libebml/ldflags.patch b/meta-multimedia/recipes-mkv/libebml/libebml/ldflags.patch
new file mode 100644
index 000000000..a01c7544b
--- /dev/null
+++ b/meta-multimedia/recipes-mkv/libebml/libebml/ldflags.patch
@@ -0,0 +1,57 @@
+Use LD and obey LDFLAGS
+
+Signed-off-by: Christopher Larson <chris_larson@mentor.com>
+Upstream-Status: Pending
+
+diff --git a/make/linux/Makefile b/make/linux/Makefile
+index 391b6e3..a2ac13e 100644
+--- a/make/linux/Makefile
++++ b/make/linux/Makefile
+@@ -64,6 +64,7 @@ objects_so:=$(patsubst %$(EXTENSION),%.lo,$(sources))
+ WARNINGFLAGS=-Wall -Wextra -Wno-unknown-pragmas -ansi -fno-gnu-keywords -Wshadow
+ COMPILEFLAGS=$(WARNINGFLAGS) $(CXXFLAGS) $(CPPFLAGS) $(DEBUGFLAGS) $(INCLUDE)
+ DEPENDFLAGS  = $(CXXFLAGS) $(INCLUDE)
++LINKFLAGS=$(LDFLAGS)
+
+ ifeq (Darwin,$(shell uname -s))
+ all: staticlib
+@@ -91,7 +92,7 @@ $(LIBRARY): $(objects)
+        $(RANLIB) $@
+
+ $(LIBRARY_SO): $(objects_so)
+-       $(CXX) -shared -Wl,-soname,$(LIBRARY_SO_VER) -o $(LIBRARY_SO_VER) $(objects_so)
++       $(LD) $(LINKFLAGS) -shared -Wl,-soname,$(LIBRARY_SO_VER) -o $(LIBRARY_SO_VER) $(objects_so)
+        rm -f $(LIBRARY_SO)
+        ln -s $(LIBRARY_SO_VER) $(LIBRARY_SO)
+
+diff --git a/make/mingw32/Makefile b/make/mingw32/Makefile
+index e5986ef..6ca16aa 100644
+--- a/make/mingw32/Makefile
++++ b/make/mingw32/Makefile
+@@ -18,6 +18,7 @@ DEBUGFLAGS=-g -DDEBUG
+ endif
+ CROSS   =
+ CXX     = $(CROSS)g++
++LD      = $(CXX)
+ CC      = $(CROSS)gcc
+ WINDRES = $(CROSS)windres
+ RANLIB  = $(CROSS)ranlib
+@@ -33,6 +34,7 @@ LIBS = libebml.a
+ endif
+ INCS = -I"$(shell pwd)/../.."
+ COMPILEFLAGS = $(DEBUGFLAGS) $(INCS) $(DLLFLAGS) $(CXXFLAGS)
++LINKFLAGS = $(LDFLAGS)
+
+ .PHONY: all all-before all-after clean clean-custom
+
+@@ -54,7 +56,7 @@ libebml.a: $(OBJ)
+        $(RANLIB) $@
+
+ libebml.dll: $(OBJ)
+-       $(CXX) -shared -Wl,--export-all -Wl,--out-implib=$@.a -o $@ $(OBJ)
++       $(LD) $(LINKFLAGS) -shared -Wl,--export-all -Wl,--out-implib=$@.a -o $@ $(OBJ)
+
+ depend:
+        @echo Calculating dependecies:
+--
+2.8.0
diff --git a/meta-multimedia/recipes-mkv/libebml/libebml/override-uname.patch b/meta-multimedia/recipes-mkv/libebml/libebml/override-uname.patch
new file mode 100644
index 000000000..57eb3450d
--- /dev/null
+++ b/meta-multimedia/recipes-mkv/libebml/libebml/override-uname.patch
@@ -0,0 +1,42 @@
+Allow override of the 'uname -s' for cross-compilation
+
+Signed-off-by: Christopher Larson <chris_larson@mentor.com>
+Upstream-Status: Pending
+
+diff --git a/make/linux/Makefile b/make/linux/Makefile
+index a2ac13e..4188bee 100644
+--- a/make/linux/Makefile
++++ b/make/linux/Makefile
+@@ -9,9 +9,11 @@
+ # 'make DEBUG=yes'.
+ #
+
++TARGET_OS ?= $(shell uname -s)
++
+ # Paths
+ # BeOS wants the libs and headers in /boot/home/config
+-ifeq (BeOS,$(shell uname -s))
++ifeq (BeOS,$(TARGET_OS))
+ prefix=/boot/home/config
+ else
+ prefix=/usr/local
+@@ -66,7 +68,7 @@ COMPILEFLAGS=$(WARNINGFLAGS) $(CXXFLAGS) $(CPPFLAGS) $(DEBUGFLAGS) $(INCLUDE)
+ DEPENDFLAGS  = $(CXXFLAGS) $(INCLUDE)
+ LINKFLAGS=$(LDFLAGS)
+
+-ifeq (Darwin,$(shell uname -s))
++ifeq (Darwin,$(TARGET_OS))
+ all: staticlib
+ else
+ all: staticlib sharedlib
+@@ -116,7 +118,7 @@ depend:
+                $(CXX) $(DEPENDFLAGS) -MM -MT $$o $$i >> .depend ; \
+        done
+
+-ifeq (Darwin,$(shell uname -s))
++ifeq (Darwin,$(TARGET_OS))
+ install: install_staticlib install_headers
+ else
+ install: install_staticlib install_sharedlib install_headers
+--
+2.8.0
diff --git a/meta-multimedia/recipes-mkv/libebml/libebml_1.3.0.bb b/meta-multimedia/recipes-mkv/libebml/libebml_1.3.0.bb
index 71e2bfc56..b756a3924 100644
--- a/meta-multimedia/recipes-mkv/libebml/libebml_1.3.0.bb
+++ b/meta-multimedia/recipes-mkv/libebml/libebml_1.3.0.bb
@@ -2,15 +2,49 @@ SUMMARY = "libebml is a C++ libary to parse EBML files"
 LICENSE = "LGPLv2.1"
 LIC_FILES_CHKSUM = "file://LICENSE.LGPL;md5=f14599a2f089f6ff8c97e2baa4e3d575"
 
-SRC_URI = "http://dl.matroska.org/downloads/libebml/libebml-${PV}.tar.bz2"
+SRC_URI = "\
+    http://dl.matroska.org/downloads/libebml/libebml-${PV}.tar.bz2 \
+    file://ldflags.patch \
+    file://override-uname.patch \
+"
 SRC_URI[md5sum] = "efec729bf5a51e649e1d9d1f61c0ae7a"
 SRC_URI[sha256sum] = "83b074d6b62715aa0080406ea84d33df2e44b5d874096640233a4db49b8096de"
 
-EXTRA_OEMAKE = "-e MAKEFLAGS="
+do_unpack[postfuncs] += "dos2unix"
 
-do_compile() {
-    cd ${S}/make/linux
-    oe_runmake CROSS="${TARGET_PREFIX}"
+dos2unix () {
+    cr="$(printf '\r')"
+    for f in make/*/Makefile; do
+        tr -d "$cr" <"$f" >"$f.new" && \
+            mv "$f.new" "$f"
+    done
+}
+
+LIBEBML_OS = "Unknown"
+LIBEBML_OS_linux = "Linux"
+LIBEBML_OS_darwin = "Darwin"
+LIBEBML_OS_mingw32 = "Windows"
+
+EXTRA_OEMAKE = "\
+    'TARGET_OS=${LIBEBML_OS}' \
+    \
+    'CXX=${CXX}' \
+    'LD=${CXX}' \
+    'AR=${AR}' \
+    'RANLIB=${RANLIB}' \
+    \
+    'DEBUGFLAGS=' \
+    'CPPFLAGS=${CPPFLAGS}' \
+    'CXXFLAGS=${CXXFLAGS}' \
+    'LDFLAGS=${LDFLAGS}' \
+    \
+    'prefix=${prefix}' \
+    'libdir=${libdir}' \
+    'includedir=${includedir}/ebml' \
+"
+
+do_compile () {
+    oe_runmake -C make/linux
 }
 
 do_install() {