Source: rustc Version: 1.66.0+dfsg1-1 Tags: patch User: debian-cr...@lists.debian.org Usertags: ftcbfs
rustc fails to cross build from source, because it frowards CFLAGS meant for the host compiler to the build compiler. When cross compiling on amd64 for arm64, CFLAGS now contain -mbranch-protection=standard. This is not understood by an amd64 compiler. I'm attaching a patch to address the matter. Helmut
diff --minimal -Nru rustc-1.66.0+dfsg1/debian/changelog rustc-1.66.0+dfsg1/debian/changelog --- rustc-1.66.0+dfsg1/debian/changelog 2023-06-27 17:12:20.000000000 +0200 +++ rustc-1.66.0+dfsg1/debian/changelog 2023-08-31 21:40:47.000000000 +0200 @@ -1,3 +1,10 @@ +rustc (1.66.0+dfsg1-1.1) UNRELEASED; urgency=medium + + * Non-maintainer upload. + * Fix FTCBFS: Do not pass host CFLAGS to the build compiler. (Closes: #-1) + + -- Helmut Grohne <hel...@subdivi.de> Thu, 31 Aug 2023 21:40:47 +0200 + rustc (1.66.0+dfsg1-1) unstable; urgency=medium * Upload to unstable diff --minimal -Nru rustc-1.66.0+dfsg1/debian/rules rustc-1.66.0+dfsg1/debian/rules --- rustc-1.66.0+dfsg1/debian/rules 2023-06-20 20:22:34.000000000 +0200 +++ rustc-1.66.0+dfsg1/debian/rules 2023-08-31 21:40:47.000000000 +0200 @@ -14,7 +14,11 @@ LOCAL_RUST_VERSION := $(shell rustc --version --verbose | sed -ne 's/^release: //p') include /usr/share/dpkg/buildflags.mk -export CFLAGS CXXFLAGS CPPFLAGS LDFLAGS +export TARGET_CFLAGS = $(CFLAGS) +export TARGET_CXXFLAGS = $(CXXFLAGS) +export TARGET_CPPFLAGS = $(CPPFLAGS) +export TARGET_LDFLAGS = $(LDFLAGS) +unexport CFLAGS CXXFLAGS CPPFLAGS LDFLAGS export CARGO_HOME = $(CURDIR)/debian/cargo # Defines DEB_*_RUST_TYPE triples
