From 4d0a44d31ad1a387e8b810283960b524e1136b2c Mon Sep 17 00:00:00 2001
From: Alexandru Ardelean <ardeleanalex@gmail.com>
Date: Sun, 13 Aug 2017 22:06:08 +0300
Subject: [PATCH] python,python3: add host-flags/settings to host pip install
 rules

The host pip install should have the host's CFLAGS, LDFLAGS, etc
available.
And not the target's flags.
Otherwise, weird things can happen when installing
packages (host-side) that need to build C code.

Signed-off-by: Alexandru Ardelean <ardeleanalex@gmail.com>
---
 lang/python/python/files/python-host.mk   | 24 ++++++++++++++---------
 lang/python/python3/files/python3-host.mk | 24 ++++++++++++++---------
 2 files changed, 30 insertions(+), 18 deletions(-)

diff --git a/lang/python/python/files/python-host.mk b/lang/python/python/files/python-host.mk
index f20dbdeab..e836eae71 100644
--- a/lang/python/python/files/python-host.mk
+++ b/lang/python/python/files/python-host.mk
@@ -37,21 +37,26 @@ define HostPython
 	$(HOST_PYTHON_BIN) $(2);
 endef
 
+define host_python_settings
+	ARCH="$(HOST_ARCH)" \
+	CC="$(HOSTCC)" \
+	CCSHARED="$(HOSTCC) $(HOST_FPIC)" \
+	CXX="$(HOSTCXX)" \
+	LD="$(HOSTCC)" \
+	LDSHARED="$(HOSTCC) -shared" \
+	CFLAGS="$(HOST_CFLAGS)" \
+	CPPFLAGS="$(HOST_CPPFLAGS) -I$(HOST_PYTHON_INC_DIR)" \
+	LDFLAGS="$(HOST_LDFLAGS) -lpython$(PYTHON_VERSION) -Wl$(comma)-rpath=$(STAGING_DIR_HOSTPKG)/lib" \
+	_PYTHON_HOST_PLATFORM=linux2
+endef
+
 # $(1) => commands to execute before running pythons script
 # $(2) => python script and its arguments
 # $(3) => additional variables
 define Build/Compile/HostPyRunHost
 	$(call HostPython, \
 		$(if $(1),$(1);) \
-		CC="$(HOSTCC)" \
-		CCSHARED="$(HOSTCC) $(HOST_FPIC)" \
-		CXX="$(HOSTCXX)" \
-		LD="$(HOSTCC)" \
-		LDSHARED="$(HOSTCC) -shared" \
-		CFLAGS="$(HOST_CFLAGS)" \
-		CPPFLAGS="$(HOST_CPPFLAGS) -I$(HOST_PYTHON_INC_DIR)" \
-		LDFLAGS="$(HOST_LDFLAGS) -lpython$(PYTHON_VERSION) -Wl$(comma)-rpath=$(STAGING_DIR_HOSTPKG)/lib" \
-		_PYTHON_HOST_PLATFORM=linux2 \
+		$(call host_python_settings) \
 		$(3) \
 		, \
 		$(2) \
@@ -63,6 +68,7 @@ endef
 # Note: I shamelessly copied this from Yousong's logic (from python-packages);
 HOST_PYTHON_PIP:=$(STAGING_DIR_HOSTPKG)/bin/pip$(PYTHON_VERSION)
 define host_python_pip_install
+	$(call host_python_settings) \
 	$(HOST_PYTHON_PIP) install \
 		--root=$(1) \
 		--prefix=$(2) \
diff --git a/lang/python/python3/files/python3-host.mk b/lang/python/python3/files/python3-host.mk
index 96bbc19cc..4990d33a0 100644
--- a/lang/python/python3/files/python3-host.mk
+++ b/lang/python/python3/files/python3-host.mk
@@ -37,21 +37,26 @@ define HostPython3
 	$(HOST_PYTHON3_BIN) $(2);
 endef
 
+define host_python3_settings
+	ARCH="$(HOST_ARCH)" \
+	CC="$(HOSTCC)" \
+	CCSHARED="$(HOSTCC) $(HOST_FPIC)" \
+	CXX="$(HOSTCXX)" \
+	LD="$(HOSTCC)" \
+	LDSHARED="$(HOSTCC) -shared" \
+	CFLAGS="$(HOST_CFLAGS)" \
+	CPPFLAGS="$(HOST_CPPFLAGS) -I$(HOST_PYTHON3_INC_DIR)" \
+	LDFLAGS="$(HOST_LDFLAGS) -lpython$(PYTHON3_VERSION) -Wl$(comma)-rpath=$(STAGING_DIR_HOSTPKG)/lib" \
+	_PYTHON_HOST_PLATFORM=linux2
+endef
+
 # $(1) => commands to execute before running pythons script
 # $(2) => python script and its arguments
 # $(3) => additional variables
 define Build/Compile/HostPy3RunHost
 	$(call HostPython3, \
 		$(if $(1),$(1);) \
-		CC="$(HOSTCC)" \
-		CCSHARED="$(HOSTCC) $(HOST_FPIC)" \
-		CXX="$(HOSTCXX)" \
-		LD="$(HOSTCC)" \
-		LDSHARED="$(HOSTCC) -shared" \
-		CFLAGS="$(HOST_CFLAGS)" \
-		CPPFLAGS="$(HOST_CPPFLAGS) -I$(HOST_PYTHON3_INC_DIR)" \
-		LDFLAGS="$(HOST_LDFLAGS) -lpython$(PYTHON3_VERSION) -Wl$(comma)-rpath=$(STAGING_DIR_HOSTPKG)/lib" \
-		_PYTHON_HOST_PLATFORM=linux2 \
+		$(call host_python3_settings) \
 		$(3) \
 		, \
 		$(2) \
@@ -63,6 +68,7 @@ endef
 # Note: I shamelessly copied this from Yousong's logic (from python-packages);
 HOST_PYTHON3_PIP:=$(STAGING_DIR_HOSTPKG)/bin/pip$(PYTHON3_VERSION)
 define host_python3_pip_install
+	$(call host_python3_settings) \
 	$(HOST_PYTHON3_PIP) install \
 		--root=$(1) \
 		--prefix=$(2) \