Bug 1943879 - Update wasi-libc build-time check for latest LLVM trunk. r=firefox-build-system-reviewers,sergesanspaille

Submitted upstream at WebAssembly/wasi-libc#564

Differential Revision: https://phabricator.services.mozilla.com/D235726

Author: glandium

taskcluster/scripts/misc/wasi-sdk.patch

@@ -42,7 +42,7 @@ index f350ecb..3b73115 100644
  	grep '^_*imported_wasi_' "$(UNDEFINED_SYMBOLS)" \
  	    > "$(SYSROOT_LIB)/libc.imports"
 
-@@ -671,10 +671,20 @@ check-symbols: startup_files libc
+@@ -671,10 +671,21 @@ 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.
@@ -52,6 +52,7 @@ index f350ecb..3b73115 100644
 +	@# 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
@@ -63,7 +64,7 @@ index f350ecb..3b73115 100644
  	@# 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
+@@ -691,6 +701,11 @@ check-symbols: startup_files libc
  	    -U__clang_wide_literal_encoding__ \
  	    -U__wasm_mutable_globals__ \
  	    -U__wasm_sign_ext__ \
@@ -75,7 +76,7 @@ index f350ecb..3b73115 100644
  	    -U__GNUC__ \
  	    -U__GNUC_MINOR__ \
  	    -U__GNUC_PATCHLEVEL__ \
-@@ -702,6 +717,12 @@ check-symbols: startup_files libc
+@@ -702,6 +717,13 @@ 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_\(1\|2\|4\|8\)' \
@@ -85,6 +86,7 @@ index f350ecb..3b73115 100644
 +	    | grep -v '^#define __GCC_\(CON\|DE\)STRUCTIVE_SIZE' \
 +	    | grep -v '^#define __STDC_EMBED_' \
 +	    | grep -v '^#define __\(DBL\|FLT\|LDBL\)_NORM_MAX__' \
++	    | grep -v '^#define __U\?INT.*_C(' \
  	    > "$(SYSROOT_SHARE)/predefined-macros.txt"
 
  	# Check that the computed metadata matches the expected metadata.