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5 changed files with 115 additions and 18 deletions

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@ -0,0 +1,71 @@
From ff153ab204af3a48479ed25d90ad9cc34ad4af49 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jan=20Stan=C4=9Bk?= <jstanek@redhat.com>
Date: Mon, 29 Aug 2022 15:07:34 +0200
Subject: [PATCH] make: don't rebuild files on `make install`
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
The original Makefile does not allow for clean separation of build and
install steps, and re-compiles the library on `make install`.
Using [empty target files][], the re-compilation is skipped on install.
Adapted from [Debian patch][].
[empty target files]: https://www.gnu.org/software/make/manual/make.html#Empty-Targets
[Debian patch]: https://salsa.debian.org/rust-team/wasi-libc/-/blob/master/debian/patches/dont-rebuild-install.patch
Signed-off-by: Jan Staněk <jstanek@redhat.com>
Signed-off-by: rpm-build <rpm-build>
---
Makefile | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/Makefile b/Makefile
index 26bdcfa..919fc54 100644
--- a/Makefile
+++ b/Makefile
@@ -835,6 +835,7 @@ endif
endif
libc_so: $(INCLUDE_DIRS) $(LIBC_SO)
+ touch $@
STATIC_LIBS = \
$(SYSROOT_LIB)/libc.a \
@@ -851,6 +852,7 @@ STATIC_LIBS += \
endif
libc: $(INCLUDE_DIRS) $(STATIC_LIBS)
+ touch $@
DUMMY := m rt pthread crypt util xnet resolv
DUMMY_LIBS := $(patsubst %,$(SYSROOT_LIB)/lib%.a,$(DUMMY))
@@ -867,6 +869,7 @@ no-check-symbols: $(STARTUP_FILES) libc $(DUMMY_LIBS)
#
# The build succeeded! The generated sysroot is in $(SYSROOT).
#
+ touch $@
finish: no-check-symbols
@@ -1014,6 +1017,8 @@ check-symbols: $(STARTUP_FILES) libc
# This ignores whitespace because on Windows the output has CRLF line endings.
diff -wur "$(EXPECTED_TARGET_DIR)" "$(SYSROOT_SHARE)"
+ touch $@
+
##### BINDINGS #################################################################
# The `bindings` target retrieves the necessary WIT files for the wasi-cli world
@@ -1089,5 +1094,6 @@ clean:
$(RM) -r "$(BINDING_WORK_DIR)"
$(RM) -r "$(OBJDIR)"
$(RM) -r "$(SYSROOT)"
+ $(RM) check-symbols no-check-symbols libc_so libc
-.PHONY: default libc libc_so finish install clean check-symbols no-check-symbols bindings
+.PHONY: default finish install clean bindings
--
2.50.1

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@ -0,0 +1,34 @@
From 293ea3296973c85a02cf7db6a1fe8b9c6d28e941 Mon Sep 17 00:00:00 2001
From: Mike Hommey <mh@glandium.org>
Date: Wed, 29 Jan 2025 08:26:30 +0900
Subject: [PATCH] Adjust Makefile for LLVM trunk (20) as of 2025-01-26 (#564)
https://github.com/llvm/llvm-project/commit/33ad474c45e6d7a0de7bc75e15e27cf6cb9ff895
Signed-off-by: rpm-build <rpm-build>
---
Makefile | 2 ++
1 file changed, 2 insertions(+)
diff --git a/Makefile b/Makefile
index c340da4..b14f6cf 100644
--- a/Makefile
+++ b/Makefile
@@ -893,6 +893,7 @@ check-symbols: $(STARTUP_FILES) libc
@# TODO: Filter out __GCC_(CON|DE)STRUCTIVE_SIZE that are new to clang 19.
@# TODO: Filter out __STDC_EMBED_* that are new to clang 19.
@# TODO: Filter out __*_NORM_MAX__ that are new to clang 19.
+ @# TODO: Filter out __INT*_C() that are new to clang 20.
@# TODO: clang defined __FLT_EVAL_METHOD__ until clang 15, so we force-undefine it
@# for older versions.
@# TODO: Undefine __wasm_mutable_globals__ and __wasm_sign_ext__, that are new to
@@ -943,6 +944,7 @@ check-symbols: $(STARTUP_FILES) libc
| grep -v '^#define __OPTIMIZE__' \
| grep -v '^#define assert' \
| grep -v '^#define __NO_INLINE__' \
+ | grep -v '^#define __U\?INT.*_C(' \
> "$(SYSROOT_SHARE)/predefined-macros.txt"
# Check that the computed metadata matches the expected metadata.
--
2.50.0

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@ -1 +1 @@
SHA512 (wasi-libc-wasi-sdk-33.tar.gz) = 7b07509db0ce6817a9616988b8b4ea9c7a87a2318e68ed350a2d0a8f7e839bb97e1cb766a568b008654149835b430a5a090f767ed9db0ca30503c4efe864a49c
SHA512 (wasi-libc-wasi-sdk-27.tar.gz) = dfc2c36fabf32f465fc833ed0b10efffc9a35c68162ecc3e8d656d1d684d170b734d55e790614d12d925d17f49d60f0d2d01c46cecac941cf62d68eda84df13e

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@ -1,4 +0,0 @@
# cross-compilation files are expected
addFilter(r"\barch-independent-package-contains-binary-or-object /usr/wasm32-wasi/.*")
# some header files are empty, and that's expected
addFilter(r"\bzero-length /usr/wasm32-wasi/include/wasm32-wasi/bits/.*\.h")

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@ -1,6 +1,6 @@
Name: wasi-libc
Summary: C library implementation for WebAssembly System Interface
Version: 33
Version: 27
Release: %autorelease
License: Apache-2.0 WITH LLVM-exception AND Apache-2.0 AND MIT AND BSD-2-Clause
@ -8,6 +8,8 @@ URL: https://github.com/WebAssembly/wasi-libc/
Source: %{url}/archive/refs/tags/wasi-sdk-%{version}.tar.gz#/%{name}-wasi-sdk-%{version}.tar.gz
Source1: smoke-test.c
# Allow using artifacts from %%build in %%install instead of recompiling
Patch: 0001-make-don-t-rebuild-files-on-make-install.patch
# Compatibility patches from upstream main
# This contains parts of the musl C library; specify as bundled so we get notified about potential vulnerabilities
@ -21,9 +23,9 @@ Source1: smoke-test.c
BuildArch: noarch
BuildRequires: clang >= 10
BuildRequires: cmake >= 3.26
BuildRequires: git-core
BuildRequires: llvm >= 10
BuildRequires: make
%global toolchain clang
# Re-packaging the static library tends to overwrite files
@ -36,12 +38,13 @@ BuildRequires: llvm >= 10
%global __brp_strip_lto %{nil}
# WASI is a specific architecture; host (build machine) arch flags should not apply by default
%global build_cflags -O2 --target=wasm32-wasi -fstack-protector
%global build_cflags --target=wasm32-wasi -fstack-protector
# Define cross-compiling prefix
%global wasi_prefix %{_prefix}/wasm32-wasi
%global wasi_datadir %{wasi_prefix}/share
%global wasi_includedir %{wasi_prefix}/include
%global wasi_libdir %{wasi_prefix}/lib
%global wasi_make_flags MALLOC_IMPL=emmalloc INSTALL_DIR='%{buildroot}%{wasi_prefix}' SYSROOT='%{_builddir}/sysroot'
%global _description %{expand:
WASI Libc is a libc for WebAssembly programs built on top of WASI system calls.
@ -71,18 +74,11 @@ Summary: C library for WASI - headers and development files
cp -p libc-bottom-half/cloudlibc/LICENSE LICENSE-cloudlibc
%build
%cmake \
-DCMAKE_INSTALL_PREFIX='%{wasi_prefix}' \
-DCMAKE_TRY_COMPILE_TARGET_TYPE=STATIC_LIBRARY \
-DBUILD_SHARED=OFF \
-DCHECK_SYMBOLS=ON \
-DMALLOC=emmalloc \
-DTARGET_TRIPLE=wasm32-wasi
%cmake_build
%make_build %{wasi_make_flags}
make %{?_smp_mflags} %{wasi_make_flags} check-symbols
%install
%cmake_install
cp -av -t '%{buildroot}%{wasi_prefix}' '%{__cmake_builddir}/sysroot/share'
%make_install %{wasi_make_flags}
%check
# Bundled version checks