[PATCH] D112787: [Support] Allow configuring the preferred type of slashes on Windows

[Martin Storsjö via Phabricator via llvm-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rGdf0ba47c36f6: [Support] Allow configuring the preferred type of slashes on Windows (authored by mstorsjo).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D112787/new/

https://reviews.llvm.org/D112787

Files:
  llvm/CMakeLists.txt
  llvm/include/llvm/Config/config.h.cmake
  llvm/lib/Support/Path.cpp


Index: llvm/lib/Support/Path.cpp
===================================================================
--- llvm/lib/Support/Path.cpp
+++ llvm/lib/Support/Path.cpp
@@ -12,6 +12,7 @@
 
 #include "llvm/Support/Path.h"
 #include "llvm/ADT/ArrayRef.h"
+#include "llvm/Config/config.h"
 #include "llvm/Config/llvm-config.h"
 #include "llvm/Support/Endian.h"
 #include "llvm/Support/Errc.h"
@@ -41,7 +42,8 @@
       return style;
     if (is_style_posix(style))
       return Style::posix;
-    return Style::windows;
+    return LLVM_WINDOWS_PREFER_FORWARD_SLASH ? Style::windows_slash
+                                             : Style::windows_backslash;
   }
 
   inline const char *separators(Style style) {
Index: llvm/include/llvm/Config/config.h.cmake
===================================================================
--- llvm/include/llvm/Config/config.h.cmake
+++ llvm/include/llvm/Config/config.h.cmake
@@ -19,6 +19,10 @@
 /* Define to 1 to enable crash memory dumps, and to 0 otherwise. */
 #cmakedefine01 LLVM_ENABLE_CRASH_DUMPS
 
+/* Define to 1 to prefer forward slashes on Windows, and to 0 prefer
+   backslashes. */
+#cmakedefine01 LLVM_WINDOWS_PREFER_FORWARD_SLASH
+
 /* Define to 1 if you have the `backtrace' function. */
 #cmakedefine HAVE_BACKTRACE ${HAVE_BACKTRACE}
 
Index: llvm/CMakeLists.txt
===================================================================
--- llvm/CMakeLists.txt
+++ llvm/CMakeLists.txt
@@ -359,6 +359,14 @@
 
 option(LLVM_ENABLE_CRASH_DUMPS "Turn on memory dumps on crashes. Currently only implemented on Windows." OFF)
 
+set(WINDOWS_PREFER_FORWARD_SLASH_DEFAULT OFF)
+if (MINGW)
+  # Cygwin doesn't identify itself as Windows, and thus gets path::Style::posix
+  # as native path style, regardless of what this is set to.
+  set(WINDOWS_PREFER_FORWARD_SLASH_DEFAULT ON)
+endif()
+option(LLVM_WINDOWS_PREFER_FORWARD_SLASH "Prefer path names with forward slashes on Windows." ${WINDOWS_PREFER_FORWARD_SLASH_DEFAULT})
+
 option(LLVM_ENABLE_FFI "Use libffi to call external functions from the interpreter" OFF)
 set(FFI_LIBRARY_DIR "" CACHE PATH "Additional directory, where CMake should search for libffi.so")
 set(FFI_INCLUDE_DIR "" CACHE PATH "Additional directory, where CMake should search for ffi.h or ffi/ffi.h")


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