mrustc: init

This contains some extraordinarily ugly hacks for a set of even uglier
Makefiles.

Signed-off-by: Ophestra <cat@gensokyo.uk>

mrustc/0001-do-not-download-rustc.patch

@@ -1,27 +0,0 @@
-From 157772049aa7da13533026292cb4f67c1e8bf542 Mon Sep 17 00:00:00 2001
-From: nobody <nobody@localhost>
-Date: Sun, 19 Jul 2026 06:21:49 +0900
-Subject: [PATCH 1/3] do not download rustc
-
-The $(RUSTC_SRC_DL) file already exists, but for some reason Make wants
-to rebuild this target when it has $(RUSTC_SRC_TARBALL) as a dependency.
----
- minicargo.mk | 2 +-
- 1 file changed, 1 insertion(+), 1 deletion(-)
-
-diff --git a/minicargo.mk b/minicargo.mk
-index 5cd3489c..eb869a1b 100644
---- a/minicargo.mk
-+++ b/minicargo.mk
-@@ -233,7 +233,7 @@ $(RUSTC_SRC_DL): rustc-$(RUSTC_VERSION)-src/extracted rustc-$(RUSTC_VERSION)-src
- # - libstd, libpanic_unwind, libtest and libgetopts
- # - libproc_macro (mrustc)
- ifeq ($(USE_MERGED_BUILD),1)
--$(RUSTCSRC)mrustc-stdlib/Cargo.toml: $(RUSTC_SRC_DL) minicargo.mk
-+$(RUSTCSRC)mrustc-stdlib/Cargo.toml: minicargo.mk
- 	@mkdir -p $(dir $@)
- 	@echo "#![no_core]" > $(dir $@)/lib.rs
- 	@echo "[package]" > $@
--- 
-2.55.0
-

mrustc/0001-dont-download-rustc.patch

@@ -0,0 +1,14 @@
+The $(RUSTC_SRC_DL) file already exists, but for some reason Make wants to rebuild
+this target when it has $(RUSTC_SRC_TARBALL) as a dependency.
+
+--- a/minicargo.mk
++++ b/minicargo.mk
+@@ -220,7 +220,7 @@ $(RUSTC_SRC_DL): rustc-$(RUSTC_VERSION)-src/extracted rustc-$(RUSTC_VERSION)-src
+ # - libstd, libpanic_unwind, libtest and libgetopts
+ # - libproc_macro (mrustc)
+ ifeq ($(USE_MERGED_BUILD),1)
+-$(RUSTCSRC)mrustc-stdlib/Cargo.toml: $(RUSTC_SRC_DL) minicargo.mk
++$(RUSTCSRC)mrustc-stdlib/Cargo.toml: minicargo.mk
+ 	@mkdir -p $(dir $@)
+ 	@echo "#![no_core]" > $(dir $@)/lib.rs
+ 	@echo "[package]" > $@

mrustc/0002-Revert-HIR-Typecheck-Optimise-by-doing-multiple-chec.patch

@@ -1,96 +0,0 @@
-From 6e66feb3b6ae698c3d29211847c71c00f87fbf78 Mon Sep 17 00:00:00 2001
-From: nobody <nobody@localhost>
-Date: Sun, 19 Jul 2026 06:23:12 +0900
-Subject: [PATCH 2/3] Revert "HIR Typecheck - Optimise by doing multiple checks
- per pass"
-
-This reverts commit 99d9bd0c788b0c72fc2f4fee6187a462ceb059f2.
----
- src/hir_typeck/expr_cs.cpp | 71 ++++++++++++++++----------------------
- 1 file changed, 30 insertions(+), 41 deletions(-)
-
-diff --git a/src/hir_typeck/expr_cs.cpp b/src/hir_typeck/expr_cs.cpp
-index 366cf78e..874d25cc 100644
---- a/src/hir_typeck/expr_cs.cpp
-+++ b/src/hir_typeck/expr_cs.cpp
-@@ -8001,47 +8001,36 @@ void Typecheck_Code_CS(const typeck::ModuleState& ms, t_args& args, const ::HIR:
-             for(unsigned int i = 0; i < context.possible_ivar_vals.size(); i ++ )
-             {
-                 if( check_ivar_poss(context, i, context.possible_ivar_vals[i]) ) {
--                    // Look at all other ivar possibility sets, and disable processing if they depend on this ivar (prevents races)
--                    auto contains_ty = [&i](const HIR::TypeRef& t) {
--                        auto cb = [&](const HIR::TypeRef& t) {
--                            // TODO: Resolve ivars
--                            return TU_TEST1(t.data(), Infer, .index == i);
--                        };
--                        return visit_ty_with( t, cb );
--                    };
--                    auto disable_in = [&context](const HIR::TypeRef& t)->bool {
--                        auto cb = [&](const HIR::TypeRef& tr) {
--                            const auto& t = context.m_ivars.get_type(tr);
--                            if(const auto* te = t.data().opt_Infer()) {
--                                DEBUG("Disable IVar " << te->index);
--                                context.possible_ivar_vals[te->index].force_disable = true;
--                            }
--                            return false;
--                        };
--                        return visit_ty_with( t, cb );
--                        };
--                    for(const auto& r : context.link_assoc) {
--                        if( contains_ty(r.impl_ty) || contains_ty(r.left_ty) || ::std::any_of(r.params.m_types.begin(), r.params.m_types.end(), contains_ty) ) {
--                            disable_in(r.impl_ty);
--                            for(const auto& t : r.params.m_types) {
--                                disable_in(t);
--                            }
--                        }
--                    }
--                    for(auto& e : context.possible_ivar_vals) {
--                        bool references_this = false;
--                        for(const auto& t : e.types_coerce_from) {
--                            references_this |= contains_ty(t.ty);
--                        }
--                        for(const auto& t : e.types_coerce_to) {
--                            references_this |= contains_ty(t.ty);
--                        }
--                        for(const auto& t : e.bounded) {
--                            references_this |= contains_ty(t);
--                        }
--                        if(references_this) {
--                            DEBUG("Block IVar " << (&e - context.possible_ivar_vals.data()));
--                            e.force_disable = true;
-+                    // HACK: For `gix v0.73.0`, but really a good idea: only set one ivar per pass.
-+                    // - Ideally, would determine if this ivar is used in any other rules, and prevent ivars mentioned in those rules
-+                    //   from also being guessed.
-+                    break;
-+                    static Span sp;
-+                    //assert( context.possible_ivar_vals[i].has_rules() );
-+                    // Disable all metioned ivars in the possibilities
-+                    for(const auto& ty : context.possible_ivar_vals[i].types_coerce_to)
-+                        context.possible_equate_type_unknown(sp, ty.ty, Context::IvarUnknownType::From);
-+                    for(const auto& ty : context.possible_ivar_vals[i].types_coerce_from)
-+                        context.possible_equate_type_unknown(sp, ty.ty, Context::IvarUnknownType::To);
-+
-+                    // Also disable inferrence (for this pass) for all ivars in affected bounds
-+                    if(false)
-+                    for(const auto& la : context.link_assoc)
-+                    {
-+                        bool found = false;
-+                        auto cb = [&](const auto& t) { return TU_TEST1(t.data(), Infer, .index == i); };
-+                        if( la.left_ty != ::HIR::TypeRef() )
-+                            found |= visit_ty_with( la.left_ty, cb );
-+                        found |= visit_ty_with( la.impl_ty, cb );
-+                        for(const auto& t : la.params.m_types)
-+                            found |= visit_ty_with( t, cb );
-+                        if( found )
-+                        {
-+                            if(la.left_ty != ::HIR::TypeRef())
-+                                context.possible_equate_type_unknown(sp, la.left_ty, Context::IvarUnknownType::From);
-+                            context.possible_equate_type_unknown(sp, la.impl_ty, Context::IvarUnknownType::From);
-+                            for(const auto& t : la.params.m_types)
-+                                context.possible_equate_type_unknown(sp, t, Context::IvarUnknownType::From);
-                         }
-                     }
-                 }
--- 
-2.55.0
-

mrustc/b00-link-self-contained.patch

@@ -1,54 +0,0 @@
-diff --git a/run_rustc/Makefile b/run_rustc/Makefile
-index e78d8c51..cc9f785e 100644
---- a/run_rustc/Makefile
-+++ b/run_rustc/Makefile
-@@ -150,14 +150,23 @@ $(CARGO_HOME)config: Makefile
- 	$Vecho "[source.vendored-sources]" >> $@
- 	$Vecho "directory = \"$(abspath $(VENDOR_DIR))\"" >> $@
- 
-+self-contained:
-+	mkdir -p $@
-+	(set -o braceexpand && ln -s \
-+		/system/lib/{'rcrt1.o','crti.o','crtn.o'} \
-+		/system/lib/gcc/"$(ROSA_TRIPLE)"/"$(shell gcc -dumpfullversion)"/{'crtbeginS.o','crtendS.o'} \
-+		/system/lib/"$(ROSA_TRIPLE)"/* \
-+		$@)
-+
- # -------------------------------------
- # Stage 1: Build standard library (using minicargo with rustc)
- # - Can't use `cargo` because there isn't a rustc-compatible std yet
- # - _could_ use it if mrustc accepted all the arguments rustc does (via the proxy)
- # -------------------------------------
--$(LIBDIR_S)libstd.rlib: $(BINDIR_S)rustc $(MINICARGO) Makefile
-+$(LIBDIR_S)libstd.rlib: self-contained $(BINDIR_S)rustc $(MINICARGO) Makefile
- 	@echo "[MINICARGO] $(RUST_SRC_LIBS)std > $(LIBDIR_S)"
--	mkdir -p $(LIBDIR_S)
-+	@mkdir -p $(LIBDIR_S)
-+	@ln -sf ../../../../../../self-contained $(LIBDIR_S)
- ifneq ($(TARGETVER_LEAST_1_74),)
- 	$V+STD_ENV_ARCH=$(RUSTC_ARCH) MRUSTC_PATH=$(abspath $(BINDIR_S)rustc) $(MINICARGO) --vendor-dir $(VENDOR_DIR) --script-overrides ../script-overrides/stable-$(RUSTC_VERSION)-$(PLATFORM)/ --output-dir $(LIBDIR_S) $(RUST_SRC_LIBS)sysroot
- else
-@@ -178,6 +187,7 @@ CARGO_OUTDIR_STAGE2_STD := $(OUTDIR)build-std2/$(RUSTC_TARGET)/release/
- CARGO_ENV_STAGE2_STD := CARGO_TARGET_DIR=$(OUTDIR)build-std2 RUSTC=$(abspath rustc_proxy.sh) PROXY_RUSTC=$(abspath $(BINDIR_2)rustc) PROXY_MRUSTC=$(abspath $(BINDIR_S)rustc) $(CARGO_ENV)
- $(LIBDIR_2)libtest.rlib: $(LIBDIR_S)libstd.rlib $(BINDIR_2)rustc $(BINDIR_S)rustc $(BINDIR_S)cargo $(CARGO_HOME)config Makefile
- 	@mkdir -p $(LIBDIR_2)
-+	@ln -sf ../../../../../../self-contained $(LIBDIR_2)
- 	@echo [CARGO] $(RUST_SRC_LIBS)test/Cargo.toml '>' $(OUTDIR)build-std2
- ifneq ($(TARGETVER_LEAST_1_74),)
- 	$V$(CARGO_ENV_STAGE2_STD) $(BINDIR_S)cargo build $(CARGO_FLAGS) --manifest-path $(RUST_SRC_LIBS)sysroot/Cargo.toml --features panic-unwind
-@@ -215,6 +225,7 @@ else
- 	@echo "[CP] libraries and results ($@)"
- endif
- 	@mkdir -p $(LIBDIR)
-+	@ln -sf ../../../../../../self-contained $(LIBDIR)
- 	$Vcp $(LIBDIR_2)*.$(DYLIB_EXT) $(PREFIX)lib
- 	$Vcp $(CARGO_OUTDIR_RUSTC)deps/*.rlib $(LIBDIR)
- 	$Vcp $(CARGO_OUTDIR_RUSTC)deps/*.$(DYLIB_EXT) $(LIBDIR)
-@@ -243,6 +254,7 @@ CARGO_OUTDIR_STAGE3_STD := $(OUTDIR)build-std/$(RUSTC_TARGET)/release/
- CARGO_ENV_STAGE3_STD := CARGO_TARGET_DIR=$(OUTDIR)build-std RUSTC=$(abspath rustc_proxy.sh) PROXY_RUSTC=$(abspath $(BINDIR)rustc) PROXY_MRUSTC=$(abspath $(BINDIR_2)rustc) $(CARGO_ENV)
- $(LIBDIR)libstd.rlib: $(BINDIR)rustc
- 	@mkdir -p $(LIBDIR)
-+	@ln -sf ../../../../../../self-contained $(LIBDIR)
- 	@echo [CARGO] $(RUST_SRC_LIBS)test/Cargo.toml '>' $(OUTDIR)build-std2
- ifneq ($(TARGETVER_LEAST_1_74),)
- 	$V$(CARGO_ENV_STAGE3_STD) $(BINDIR_S)cargo build $(CARGO_FLAGS) --manifest-path $(RUST_SRC_LIBS)sysroot/Cargo.toml --features panic-unwind

mrustc/package.az

@@ -1,21 +1,14 @@
-package mrustc-source {
+package rustc-bootstrap-source {
-	description = "patched mrustc source tree";
+	description = "rustc source tree used by mrustc";
 	exclude = true;
 
-	version# = "0.12.0";
+	version# = "1.54.0";
-	output = remoteGitHub {
+	output = remoteTar {
-		suffix = "thepowersgang/mrustc";
+		url = "https://static.rust-lang.org/dist/rustc-"+version+"-src.tar.gz";
-		tag = "v"+version;
+		compress = gzip;
-		checksum = "Db25OAKL_1yZIF6MlXOTHhrEJ-Pd-i-accVtt5rJollmpKm6B3bgS0xN7hoC1cVu";
+		checksum = "kFXaHMt0dkRxHRGvPulfzhmUmKN_m-KVKNub922LFHMZGkmKdZ1jfLAtyRp659mU";
 	};
 	chmod = true;
-	patches = [
-		"0001-do-not-download-rustc.patch",
-		"0002-Revert-HIR-Typecheck-Optimise-by-doing-multiple-chec.patch",
-		"0003-rustc-src-enable-rustix-use-libc-feature-revert-port.patch",
-
-		"remove-git-invocations.patch",
-	];
 }
 
 package mrustc {
@@ -23,201 +16,49 @@ package mrustc {
 	website = "https://github.com/thepowersgang/mrustc";
 	anitya = 391250;
 
-	source = mrustc-source;
+	version# = "0.12.0";
+	source = remoteGitHub {
+		suffix = "thepowersgang/mrustc";
+		tag = "v"+version;
+		checksum = "Db25OAKL_1yZIF6MlXOTHhrEJ-Pd-i-accVtt5rJollmpKm6B3bgS0xN7hoC1cVu";
+	};
+	patches = [ "0001-dont-download-rustc.patch" ];
+	extra = [ rustc-bootstrap-source ];
+
 	enterSource = true;
 	writable = true;
+	chmod = true;
 
 	minimal = true;
 	exec = make {
 		inPlace = true;
 		skipConfigure = true;
-		make = [ "CXX='g++ -w'" ];
+		preMake = `
-		// test suite runs during rustc-bootstrap
+sed -i 's/\$(shell git show --pretty=%H -s --no-show-signature)/unknown/' Makefile
-		skipCheck = true;
+sed -i 's/\$(shell git show -s --pretty=%h --no-show-signature)/unknown/' Makefile
-		install = "install -vD bin/mrustc /work/system/bin/mrustc";
+sed -i 's/\$(shell git symbolic-ref -q --short HEAD || git describe --tags --exact-match)/v`+version+`/' Makefile
+sed -i 's/\$(shell git diff-index --quiet HEAD; echo $$?)/0/' Makefile
+sed -i 's/\$(shell env LC_TIME=C date -u +"%a, %e %b %Y %T +0000")/Thu,  1 Jan 1970 00:00:00 +0000/' Makefile
+
+export RUSTC_SOURCE='../extra/rustc-bootstrap-source'
+export RUSTC_VERSION="$(cut -d ' ' -f 1 "$RUSTC_SOURCE/version")"
+export MRUSTC_TARGET_VER="$(cut -d '.' -f 1,2 <<< "$RUSTC_VERSION")"
+export OUTDIR_SUF="-$RUSTC_VERSION"
+patch -d "$RUSTC_SOURCE" -p0 < "rustc-$RUSTC_VERSION-src.patch"
+touch "$RUSTC_SOURCE/dl-version"
+ln -s "$RUSTC_SOURCE" "rustc-$RUSTC_VERSION-src"
+`;
+		preCheck = `
+make -f minicargo.mk LIBS
+`;
+		check = [ "test" ];
 	};
 
 	inputs = [
 		bash,
+		patch,
 
 		// mrustc requires buggy gcc behaviour
 		gcc,
 	];
-
-	runtime = [ gcc ];
-}
-
-package rustc-bootstrap-source {
-	description = "unpatched bootstrap rust toolchain source tree";
-	exclude = true;
-
-	version# = "1.90.0";
-	output = remoteTar {
-		url = "https://static.rust-lang.org/dist/rustc-"+version+"-src.tar.gz";
-		compress = gzip;
-		checksum = "kUjk5mOHRc7cTom0uJ5afFTkhFcXLYK8tJl_aqduffGSHc0TH_a-KKz6PI0nk_xK";
-	};
-	chmod = true;
-}
-
-package rustc-bootstrap-llvm {
-	description = "bootstrap rustc-standalone LLVM build";
-	exclude = true;
-
-	source = rustc-bootstrap-source;
-	exec = cmake {
-		append = [ "src", "llvm-project", "llvm" ];
-
-		// Reference $(RUSTCSRC)src/bootstrap/native.rs for these values
-		cache = {
-			"CMAKE_C_COMPILER": "gcc";
-			"CMAKE_C_FLAGS": "-w";
-			"CMAKE_CXX_COMPILER": "g++";
-			"CMAKE_CXX_FLAGS": "-w";
-			"LLVM_LINK_LLVM_DYLIB": "OFF";
-			"LLVM_TARGETS_TO_BUILD": "'X86;ARM;AArch64'";
-			"LLVM_ENABLE_ASSERTIONS": "OFF";
-			"LLVM_INCLUDE_EXAMPLES": "OFF";
-			"LLVM_INCLUDE_TESTS": "OFF";
-			"LLVM_INCLUDE_DOCS": "OFF";
-			"LLVM_INCLUDE_BENCHMARKS": "OFF";
-			"LLVM_ENABLE_ZLIB": "OFF";
-			"LLVM_ENABLE_TERMINFO": "OFF";
-			"LLVM_ENABLE_LIBEDIT": "OFF";
-			"WITH_POLLY": "OFF";
-			"LIBUNWIND_ENABLE_SHARED": "OFF";
-		};
-		skipTest = true;
-	};
-
-	inputs = [
-		python-early,
-
-		gcc,
-		kernel-headers,
-	];
-}
-
-package rustc-mrustc {
-	description = "initial rustc stage compiled by mrustc";
-	exclude = true;
-
-	source = rustc-bootstrap-source;
-	extra = [
-		mrustc-source,
-		rustc-bootstrap-llvm,
-	];
-
-	writable = true;
-	early = "cd ../extra/mrustc-source";
-	minimal = true;
-
-	exec = make {
-		inPlace = true;
-		skipConfigure = true;
-		preMake = `
-LLVM='../rustc-bootstrap-llvm/system/bin/llvm-config'
-RUSTC_SOURCE='../../rustc-mrustc'
-
-export CC=gcc CXX=g++
-export PARLEVEL=`+jobsE+`
-export RUSTC_TARGET="$(uname -m)-unknown-linux-musl"
-export RUSTC_VERSION="$(cut -d ' ' -f 1 "$RUSTC_SOURCE/version")"
-export MRUSTC_TARGET_VER="$(cut -d '.' -f 1,2 <<< "$RUSTC_VERSION")"
-export OUTDIR_SUF="-$RUSTC_VERSION"
-
-patch -d "$RUSTC_SOURCE" -p0 < "rustc-$RUSTC_VERSION-src.patch"
-touch "$RUSTC_SOURCE/dl-version"
-
-ln -s "$RUSTC_SOURCE" "rustc-$RUSTC_VERSION-src"
-mkdir bin && ln -s /system/bin/mrustc bin/
-ln -sf gcc /system/bin/cc
-ln -sf g++ /system/bin/c++
-`;
-		make = [
-			"-f",
-			"minicargo.mk",
-			"CXX='g++ -w'",
-			`LLVM_CONFIG="$LLVM"`,
-			"LIBS",
-		];
-		check = [
-			"CXX='g++ -w'",
-			// run this first to avoid intermittent failures
-			"local_tests",
-		];
-
-		install = `
-make \
-	`+jobsFlagE+` \
-	`+loadFlagE+` \
-	CXX='g++ -w' \
-	test
-
-OUTDIR="output-$RUSTC_VERSION"
-make -f minicargo.mk LLVM_CONFIG="$LLVM" "$OUTDIR/rustc"
-make -f minicargo.mk LLVM_CONFIG="$LLVM" "$OUTDIR/cargo"
-mkdir -p /work/system/bin/
-(set -o braceexpand && cp "$OUTDIR"/{rustc,cargo} bin/minicargo /work/system/bin/)
-`;
-	};
-
-	inputs = [
-		bash,
-		perl,
-		patch,
-		mrustc,
-		llvm,
-	];
-
-	runtime = [ gcc, llvm, mrustc ];
-}
-
-package rustc-bootstrap {
-	description = "early rustc bootstrapped by rustc-mrustc";
-	exclude = true;
-
-	source = rustc-bootstrap-source;
-	extra = [ mrustc-source ];
-	files = {
-		"b00-link-self-contained.patch";
-	};
-
-	writable = true;
-	early = "cd ../extra/mrustc-source";
-	minimal = true;
-
-	exec = make {
-		inPlace = true;
-		skipConfigure = true;
-		preMake = `
-RUSTC_SOURCE='../../rustc-bootstrap'
-
-export RUSTC_TARGET="$(uname -m)-unknown-linux-musl"
-export RUSTC_VERSION="$(cut -d ' ' -f 1 "$RUSTC_SOURCE/version")"
-
-patch -d "$RUSTC_SOURCE" -p0 < "rustc-$RUSTC_VERSION-src.patch"
-cat /usr/src/*.patch | patch -p1
-
-ln -s "$RUSTC_SOURCE" "rustc-$RUSTC_VERSION-src"
-mkdir bin "output-$RUSTC_VERSION"
-(set -o braceexpand && \
-	ln -s /system/bin/{mrustc,minicargo} bin/ && \
-	ln -s /system/bin/{rustc,cargo} "output-$RUSTC_VERSION")
-ln -sf gcc /system/bin/cc
-ln -sf g++ /system/bin/c++
-`;
-		make = [
-			"-C", "run_rustc",
-			"CC=gcc",
-			"PARLEVEL="+jobsE,
-		];
-	};
-
-	inputs = [
-		bash,
-		patch,
-
-		rustc-mrustc,
-	];
 }

mrustc/remove-git-invocations.patch

@@ -1,13 +0,0 @@
-diff --git a/Makefile b/Makefile
-index bb8e64a4..6bc951a7 100644
---- a/Makefile
-+++ b/Makefile
-@@ -188,7 +188,7 @@ $(OBJDIR)%.o: src/%.cpp
- $(OBJDIR)version.o: $(OBJDIR)%.o: src/%.cpp $(filter-out $(OBJDIR)version.o,$(OBJ)) Makefile
- 	@+mkdir -p $(dir $@)
- 	@echo [CXX] -o $@
--	$V$(CXX) -o $@ -c $< $(CXXFLAGS) $(CPPFLAGS) -MMD -MP -MF $@.dep -D VERSION_GIT_FULLHASH=\"$(shell git show --pretty=%H -s --no-show-signature)\" -D VERSION_GIT_BRANCH="\"$(shell git symbolic-ref -q --short HEAD || git describe --tags --exact-match)\"" -D VERSION_GIT_SHORTHASH=\"$(shell git show -s --pretty=%h --no-show-signature)\" -D VERSION_BUILDTIME="\"$(shell env LC_TIME=C date -u +"%a, %e %b %Y %T +0000")\"" -D VERSION_GIT_ISDIRTY=$(shell git diff-index --quiet HEAD; echo $$?)
-+	$V$(CXX) -o $@ -c $< $(CXXFLAGS) $(CPPFLAGS) -MMD -MP -MF $@.dep -D VERSION_GIT_FULLHASH=\"unknown\" -D VERSION_GIT_BRANCH="\"v0.12.0\"" -D VERSION_GIT_SHORTHASH=\"unknown\" -D VERSION_BUILDTIME="\"Nya,  0 Jan -1 25:71:99 +2928\"" -D VERSION_GIT_ISDIRTY=0
- 
- src/main.cpp: $(PCHS:%=src/%.gch)
-