[PATCH] D130820: [cmake] Add LoongArch to config.guess

[Lu Weining via Phabricator via llvm-commits]

This revision was landed with ongoing or failed builds.
This revision was automatically updated to reflect the committed changes.
Closed by commit rGe48a0df3fcfd: [cmake] Add LoongArch to config.guess (authored by WANG Xuerui <xen0n at gentoo.org>, committed by SixWeining).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D130820/new/

https://reviews.llvm.org/D130820

Files:
  llvm/cmake/config.guess


Index: llvm/cmake/config.guess
===================================================================
--- llvm/cmake/config.guess
+++ llvm/cmake/config.guess
@@ -922,6 +922,30 @@
     ia64:Linux:*:*)
 	echo ${UNAME_MACHINE}-unknown-linux-gnu
 	exit ;;
+    loongarch32:Linux:*:* | loongarch64:Linux:*:* | loongarchx32:Linux:*:*)
+	LIBC=gnu
+	eval $set_cc_for_build
+	# Do not check for __GLIBC__ because uclibc defines it too
+	sed 's/^	//' << EOF >$dummy.c
+	#include <features.h>
+	#if defined(__UCLIBC__)
+	LIBC=uclibc
+	#elif defined(__dietlibc__)
+	LIBC=dietlibc
+	#endif
+EOF
+	eval `$CC_FOR_BUILD -E $dummy.c 2>/dev/null | grep '^LIBC'`
+
+	# There is no features test macro for musl
+	# Follow the GNU's config.guess approach of
+	# checking the output of ldd
+	if command -v ldd >/dev/null && \
+		ldd --version 2>&1 | grep -q ^musl; then
+	    LIBC=musl
+	fi
+
+	echo "${UNAME_MACHINE}-unknown-linux-${LIBC}"
+	exit ;;
     m32r*:Linux:*:*)
 	echo ${UNAME_MACHINE}-unknown-linux-gnu
 	exit ;;


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