python: Add environment variables to build Rust extensions

Signed-off-by: Jeffery To <[email protected]>
immortalwrt · Sep 27, 2023 · 4d43be8 · 4d43be8
1 parent f467f47
commit 4d43be8
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Showing 2 changed files with 10 additions and 2 deletions.
diff --git a/lang/python/python3-host.mk b/lang/python/python3-host.mk
@@ -11,6 +11,7 @@
 # For PYTHON3_VERSION
 python3_mk_path:=$(dir $(lastword $(MAKEFILE_LIST)))
 include $(python3_mk_path)python3-version.mk
+include $(python3_mk_path)../rust/rust-values.mk
 
 # Unset environment variables
 
@@ -76,7 +77,9 @@ HOST_PYTHON3_VARS = \
 	LDSHARED="$(HOSTCC) -shared" \
 	CFLAGS="$(HOST_CFLAGS)" \
 	CPPFLAGS="$(HOST_CPPFLAGS) -I$(HOST_PYTHON3_INC_DIR)" \
-	LDFLAGS="$(HOST_LDFLAGS) -lpython$(PYTHON3_VERSION) -Wl$(comma)-rpath$(comma)$(STAGING_DIR_HOSTPKG)/lib"
+	LDFLAGS="$(HOST_LDFLAGS) -lpython$(PYTHON3_VERSION) -Wl$(comma)-rpath$(comma)$(STAGING_DIR_HOSTPKG)/lib" \
+	CARGO_HOME="$(CARGO_HOME)" \
+	PATH="$(CARGO_HOME)/bin:$(PATH)"
 
 # $(1) => directory of python script
 # $(2) => python script and its arguments

diff --git a/lang/python/python3-package.mk b/lang/python/python3-package.mk
@@ -44,7 +44,12 @@ PYTHON3_VARS = \
 	PYTHONDONTWRITEBYTECODE=1 \
 	_python_sysroot="$(STAGING_DIR)" \
 	_python_prefix="/usr" \
-	_python_exec_prefix="/usr"
+	_python_exec_prefix="/usr" \
+	CARGO_BUILD_TARGET="$(RUSTC_TARGET_ARCH)" \
+	CARGO_HOME="$(CARGO_HOME)" \
+	PATH="$(CARGO_HOME)/bin:$(PATH)" \
+	PYO3_CROSS_LIB_DIR="$(PYTHON3_LIB_DIR)" \
+	RUSTFLAGS="$(CARGO_RUSTFLAGS)"
 
 # $(1) => directory of python script
 # $(2) => python script and its arguments