Author: Vladislav Dzhidzhoev
Date: 2024-07-19T13:08:07+02:00
New Revision: 243af2ff217f65ef291232faa60779b86e01a967

URL: 
https://github.com/llvm/llvm-project/commit/243af2ff217f65ef291232faa60779b86e01a967
DIFF: 
https://github.com/llvm/llvm-project/commit/243af2ff217f65ef291232faa60779b86e01a967.diff

LOG: [LLDB][test] Improve SHELL detection on Windows in Makefile.rules (#99532)

In MinGW make, the `%windir%` variable has a lowercase name `$(windir)`
when launched from cmd.exe, and `$(WINDIR)` name when launched from
MSYS2, since MSYS2 represents standard Windows environment variables
names in upper case.

This commit makes Makefile.rules consider both run variants.

Added: 
    

Modified: 
    lldb/packages/Python/lldbsuite/test/make/Makefile.rules

Removed: 
    


################################################################################
diff  --git a/lldb/packages/Python/lldbsuite/test/make/Makefile.rules 
b/lldb/packages/Python/lldbsuite/test/make/Makefile.rules
index 597aa94566c24..be3ad684dd736 100644
--- a/lldb/packages/Python/lldbsuite/test/make/Makefile.rules
+++ b/lldb/packages/Python/lldbsuite/test/make/Makefile.rules
@@ -55,8 +55,10 @@ LLDB_BASE_DIR := $(THIS_FILE_DIR)/../../../../../
 # Also reset BUILDDIR value because "pwd" returns cygwin or msys path
 # which needs to be converted to windows path.
 #----------------------------------------------------------------------
-ifeq "$(OS)" "Windows_NT"
-       SHELL = $(WINDIR)\system32\cmd.exe
+ifeq "$(HOST_OS)" "Windows_NT"
+       # MinGW make gets $(windir) variable if launched from cmd.exe
+       # and $(WINDIR) if launched from MSYS2.
+       SHELL := $(or $(windir),$(WINDIR),C:\WINDOWS)\system32\cmd.exe
        BUILDDIR := $(shell echo %cd%)
 endif
 


        
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