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authorArthur Cohen <arthur.cohen@embecosm.com>2022-12-02 10:19:39 +0100
committerArthur Cohen <arthur.cohen@embecosm.com>2022-12-05 14:52:09 +0100
commitb2d445c2bbb15e6a1f1d0e5ac693fd671ecaa473 (patch)
treed79b849967b142fddcb7859445d3a10e446158c8 /gcc
parent3df7703a627ed3a070c91cf2e3b92ec993684531 (diff)
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long_flag: Add env variable, remove bootstrap guards
Diffstat (limited to 'gcc')
-rw-r--r--gcc/rust/Make-lang.in11
-rw-r--r--gcc/rust/rust-session-manager.cc10
-rw-r--r--gcc/testsuite/lib/rust.exp2
3 files changed, 10 insertions, 13 deletions
diff --git a/gcc/rust/Make-lang.in b/gcc/rust/Make-lang.in
index 656c46d..21d7d4e 100644
--- a/gcc/rust/Make-lang.in
+++ b/gcc/rust/Make-lang.in
@@ -49,13 +49,6 @@ GCCRS_D_OBJS = \
rust/rustspec.o \
$(END)
-RUST_CXXFLAGS = $(CXXFLAGS)
-
-# If the file exists, we're bootstrapping. Set a specific flag for the session manager.
-ifneq ($(wildcard ../stage_current),)
-SESSION_FLAGS = -DRUST_BOOTSTRAP_BUILD
-endif
-
gccrs$(exeext): $(GCCRS_D_OBJS) $(EXTRA_GCC_OBJS) libcommon-target.a $(LIBDEPS)
+$(LINKER) $(ALL_LINKERFLAGS) $(LDFLAGS) -o $@ \
$(GCCRS_D_OBJS) $(EXTRA_GCC_OBJS) libcommon-target.a \
@@ -336,7 +329,9 @@ RUST_INCLUDES = -I $(srcdir)/rust \
CFLAGS-rust/rust-lang.o += $(RUST_INCLUDES)
CFLAGS-rust/rust-lex.o += $(RUST_INCLUDES)
CFLAGS-rust/rust-parse.o += $(RUST_INCLUDES)
-CFLAGS-rust/rust-session-manager.o += $(RUST_INCLUDES) $(SESSION_FLAGS)
+CFLAGS-rust/rust-session-manager.o += $(RUST_INCLUDES)
+
+RUST_CXXFLAGS = $(CXXFLAGS)
# build all rust/lex files in rust folder, add cross-folder includes
rust/%.o: rust/lex/%.cc
diff --git a/gcc/rust/rust-session-manager.cc b/gcc/rust/rust-session-manager.cc
index 78dc3a0..54660a8 100644
--- a/gcc/rust/rust-session-manager.cc
+++ b/gcc/rust/rust-session-manager.cc
@@ -427,9 +427,8 @@ Session::handle_crate_name (const AST::Crate &parsed_crate)
void
Session::compile_crate (const char *filename)
{
-#ifdef RUST_BOOTSTRAP_BUILD
- // Do not emit the fatal error or require the flag for dev builds
- if (!flag_rust_experimental)
+ if (!flag_rust_experimental
+ && !std::getenv ("GCCRS_INCOMPLETE_AND_EXPERIMENTAL_COMPILER_DO_NOT_USE"))
rust_fatal_error (
Location (), "%s",
"gccrs is not yet able to compile Rust code "
@@ -443,11 +442,12 @@ Session::compile_crate (const char *filename)
"If you understand this, and understand that the binaries produced might "
"not behave accordingly, you may attempt to use gccrs in an experimental "
"manner by passing the following flag:\n\n"
- "`-frust-incomplete-and-experimental-compiler-do-not-use`\n\nFor "
+ "`-frust-incomplete-and-experimental-compiler-do-not-use`\n\nor by "
+ "defining the following environment variable (any value will "
+ "do)\n\nGCCRS_INCOMPLETE_AND_EXPERIMENTAL_COMPILER_DO_NOT_USE\n\nFor"
"cargo-gccrs, this means passing\n\n"
"GCCRS_EXTRA_FLAGS=\"-frust-incomplete-and-experimental-compiler-do-not-"
"use\"\n\nas an environment variable.");
-#endif
RAIIFile file_wrap (filename);
if (!file_wrap.ok ())
diff --git a/gcc/testsuite/lib/rust.exp b/gcc/testsuite/lib/rust.exp
index 6993c97..287905b 100644
--- a/gcc/testsuite/lib/rust.exp
+++ b/gcc/testsuite/lib/rust.exp
@@ -149,6 +149,8 @@ proc rust_init { args } {
lappend ALWAYS_RUSTFLAGS "additional_flags=$TOOL_OPTIONS"
}
+ lappend ALWAYS_RUSTFLAGS "additional_flags=-frust-incomplete-and-experimental-compiler-do-not-use"
+
verbose -log "ALWAYS_RUSTFLAGS set to $ALWAYS_RUSTFLAGS"
set gcc_warning_prefix "warning:"