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diff --git a/llvm_version_major.sh b/llvm_version_major.sh
index 2e5d973..93fe9b0 100755
--- a/llvm_version_major.sh
+++ b/llvm_version_major.sh
@@ -1,4 +1,4 @@
#/bin/bash
LLVM_PROJ_DIR=${1:-./src/llvm-project}
-MAJOR=`grep "set(LLVM_VERSION_MAJOR" $LLVM_PROJ_DIR/llvm/CMakeLists.txt | awk '{print substr($2, 1, length($2) - 1)}'`
+MAJOR=`(grep "set(LLVM_VERSION_MAJOR" $LLVM_PROJ_DIR/llvm/CMakeLists.txt || grep "set(LLVM_VERSION_MAJOR" $LLVM_PROJ_DIR/cmake/Modules/LLVMVersion.cmake) | awk '{print substr($2, 1, length($2) - 1)}'`
echo $MAJOR
diff --git a/Makefile b/Makefile
index d2ccff6..95f395b 100644
--- a/Makefile
+++ b/Makefile
@@ -178,6 +178,7 @@ LIBCXX_CMAKE_FLAGS = \
-DLIBCXXABI_BUILD_EXTERNAL_THREAD_LIBRARY:BOOL=OFF \
-DLIBCXXABI_HAS_WIN32_THREAD_API:BOOL=OFF \
-DLIBCXXABI_ENABLE_PIC:BOOL=OFF \
+ -DLIBCXXABI_USE_LLVM_UNWINDER:BOOL=OFF \
-DWASI_SDK_PREFIX=$(BUILD_PREFIX) \
-DUNIX:BOOL=ON \
--debug-trycompile
diff --git a/src/wasi-libc/Makefile b/src/wasi-libc/Makefile
index f350ecb..3b73115 100644
--- a/src/wasi-libc/Makefile
+++ b/src/wasi-libc/Makefile
@@ -305,7 +305,7 @@ ASMFLAGS += --target=$(TARGET_TRIPLE)
# TODO: Add -fno-signaling-nans when the compiler supports it.
CFLAGS += -fno-trapping-math
# Add all warnings, but disable a few which occur in third-party code.
-CFLAGS += -Wall -Wextra -Werror \
+CFLAGS += -Wall -Wextra \
-Wno-null-pointer-arithmetic \
-Wno-unused-parameter \
-Wno-sign-compare \
@@ -639,7 +639,7 @@ check-symbols: startup_files libc
for undef_sym in $$("$(NM)" --undefined-only "$(SYSROOT_LIB)"/libc.a "$(SYSROOT_LIB)"/libc-*.a "$(SYSROOT_LIB)"/*.o \
|grep ' U ' |sed 's/.* U //' |LC_ALL=C sort |uniq); do \
grep -q '\<'$$undef_sym'\>' "$(DEFINED_SYMBOLS)" || echo $$undef_sym; \
- done | grep -v "^__mul" > "$(UNDEFINED_SYMBOLS)"
+ done | grep -E -v "^__mul|__indirect_function_table" > "$(UNDEFINED_SYMBOLS)"
grep '^_*imported_wasi_' "$(UNDEFINED_SYMBOLS)" \
> "$(SYSROOT_LIB)/libc.imports"
@@ -671,10 +671,20 @@ check-symbols: startup_files libc
@#
@# TODO: Filter out __NO_MATH_ERRNO_ and a few __*WIDTH__ that are new to clang 14.
@# TODO: Filter out __GCC_HAVE_SYNC_COMPARE_AND_SWAP_* that are new to clang 16.
+ @# TODO: Filter out __FPCLASS_* that are new to clang 17.
+ @# TODO: Filter out __FLT128_* that are new to clang 18.
+ @# TODO: Filter out __MEMORY_SCOPE_* that are new to clang 18.
+ @# TODO: Filter out __GCC_(CON|DE)STRUCTIVE_SIZE that are new to clang 19.
+ @# TODO: Filter out __STDC_EMBED_* that are new to clang 19.
+ @# TODO: Filter out __*_NORM_MAX__ that are new to clang 19.
@# TODO: clang defined __FLT_EVAL_METHOD__ until clang 15, so we force-undefine it
@# for older versions.
@# TODO: Undefine __wasm_mutable_globals__ and __wasm_sign_ext__, that are new to
@# clang 16 for -mcpu=generic.
+ @# TODO: Undefine __wasm_multivalue__ and __wasm_reference_types__, that are new to
+ @# clang 19 for -mcpu=generic.
+ @# TODO: Undefine __wasm_nontrapping_fptoint__, __wasm_bulk_memory__ and
+ @# __wasm_bulk_memory_opt__, that are new to clang 20.
@# TODO: As of clang 16, __GNUC_VA_LIST is #defined without a value.
$(CC) $(CFLAGS) "$(SYSROOT_SHARE)/include-all.c" \
-isystem $(SYSROOT_INC) \
@@ -691,6 +700,11 @@ check-symbols: startup_files libc
-U__clang_wide_literal_encoding__ \
-U__wasm_mutable_globals__ \
-U__wasm_sign_ext__ \
+ -U__wasm_multivalue__ \
+ -U__wasm_reference_types__ \
+ -U__wasm_nontrapping_fptoint__ \
+ $(if $(filter-out wasm32-wasi-threads,$(TARGET_TRIPLE)),-U__wasm_bulk_memory__) \
+ -U__wasm_bulk_memory_opt__ \
-U__GNUC__ \
-U__GNUC_MINOR__ \
-U__GNUC_PATCHLEVEL__ \
@@ -702,6 +717,12 @@ check-symbols: startup_files libc
| sed -e 's/__GNUC_VA_LIST $$/__GNUC_VA_LIST 1/' \
| grep -v '^#define __\(BOOL\|INT_\(LEAST\|FAST\)\(8\|16\|32\|64\)\|INT\|LONG\|LLONG\|SHRT\)_WIDTH__' \
| grep -v '^#define __GCC_HAVE_SYNC_COMPARE_AND_SWAP_\(1\|2\|4\|8\)' \
+ | grep -v '^#define __FPCLASS_' \
+ | grep -v '^#define __FLT128_' \
+ | grep -v '^#define __MEMORY_SCOPE_' \
+ | grep -v '^#define __GCC_\(CON\|DE\)STRUCTIVE_SIZE' \
+ | grep -v '^#define __STDC_EMBED_' \
+ | grep -v '^#define __\(DBL\|FLT\|LDBL\)_NORM_MAX__' \
> "$(SYSROOT_SHARE)/predefined-macros.txt"
# Check that the computed metadata matches the expected metadata.