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new 9f4b6ade libtool: Support MSYS and MSYS2 file path conversions
9f4b6ade is described below
commit 9f4b6adea4403e38b0b1f75761563c103d7c0e03
Author: Ileana Dumitrescu <ileanadumitresc...@gmail.com>
AuthorDate: Mon Jun 16 21:06:51 2025 +0300
libtool: Support MSYS and MSYS2 file path conversions
MSYS does not have cygpath installed by default, so during configure,
a check for cygpath is cached. If cygpath is not found, Window's command
prompt will be used with a forward slash escape on the 'c' flag:
"cmd //c".
Reported: https://savannah.gnu.org/support/?110901
* build-aux/ltmain.in: Choose file path conversion for MSYS(2) by
whether cygpath is installed.
* m4/libtool.m4: Cache whether cygpath is installed in user path.
---
build-aux/ltmain.in | 56 ++++++++++++++++++++++++++++++++++++++++++++---------
m4/libtool.m4 | 23 ++++++++++++++++++++++
2 files changed, 70 insertions(+), 9 deletions(-)
diff --git a/build-aux/ltmain.in b/build-aux/ltmain.in
index 7717c8d0..06207bc8 100644
--- a/build-aux/ltmain.in
+++ b/build-aux/ltmain.in
@@ -1029,6 +1029,24 @@ func_convert_core_msys_to_w32 ()
{
$debug_cmd
+ # Compatibility for original MSYS
+ func_convert_core_msys_to_w32_result=`( cmd //c echo "$1" ) 2>/dev/null |
+ $SED -e 's/[ ]*$//' -e "$sed_naive_backslashify"`
+ if test "$?" -ne 0; then
+ # on failure, ensure result is empty
+ func_convert_core_msys_to_w32_result=
+ fi
+}
+#end: func_convert_core_msys_to_w32
+
+
+# func_convert_core_msys_to_w32_with_cygpath ARG
+# Convert file name or path ARG with cygpath from MSYS format to w32
+# format. Return result in func_convert_core_msys_to_w32_with_cygpath_result.
+func_convert_core_msys_to_w32_with_cygpath ()
+{
+ $debug_cmd
+
# Since MSYS2 is packaged with cygpath, call cygpath in $PATH; no need
# to use LT_CYGPATH in this case.
func_convert_core_msys_to_w32_result=`cygpath "$@" 2>/dev/null |
@@ -1038,7 +1056,7 @@ func_convert_core_msys_to_w32 ()
func_convert_core_msys_to_w32_result=
fi
}
-#end: func_convert_core_msys_to_w32
+#end: func_convert_core_msys_to_w32_with_cygpath
# func_convert_file_check ARG1 ARG2
@@ -1175,8 +1193,13 @@ func_convert_file_msys_to_w32 ()
func_to_host_file_result=$1
if test -n "$1"; then
- func_convert_core_msys_to_w32 -w "$1"
- func_to_host_file_result=$func_convert_core_msys_to_w32_result
+ if test "yes" = "$cygpath_installed"; then
+ func_convert_core_msys_to_w32_with_cygpath -w "$1"
+
func_to_host_file_result=$func_convert_core_msys_to_w32_with_cygpath_result
+ else
+ func_convert_core_msys_to_w32 "$1"
+ func_to_host_file_result=$func_convert_core_msys_to_w32_result
+ fi
fi
func_convert_file_check "$1" "$func_to_host_file_result"
}
@@ -1227,8 +1250,13 @@ func_convert_file_msys_to_cygwin ()
func_to_host_file_result=$1
if test -n "$1"; then
- func_convert_core_msys_to_w32 -w "$1"
- func_cygpath -u "$func_convert_core_msys_to_w32_result"
+ if test "yes" = "$cygpath_installed"; then
+ func_convert_core_msys_to_w32_with_cygpath -w "$1"
+ func_cygpath -u "$func_convert_core_msys_to_w32_with_cygpath_result"
+ else
+ func_convert_core_msys_to_w32 "$1"
+ func_cygpath -u "$func_convert_core_msys_to_w32_result"
+ fi
func_to_host_file_result=$func_cygpath_result
fi
func_convert_file_check "$1" "$func_to_host_file_result"
@@ -1329,8 +1357,13 @@ func_convert_path_msys_to_w32 ()
# and winepath ignores them completely.
func_stripname : : "$1"
func_to_host_path_tmp1=$func_stripname_result
- func_convert_core_msys_to_w32 -w -p "$func_to_host_path_tmp1"
- func_to_host_path_result=$func_convert_core_msys_to_w32_result
+ if test "yes" = "$cygpath_installed"; then
+ func_convert_core_msys_to_w32_with_cygpath -w -p
"$func_to_host_path_tmp1"
+
func_to_host_path_result=$func_convert_core_msys_to_w32_with_cygpath_result
+ else
+ func_convert_core_msys_to_w32 "$func_to_host_path_tmp1"
+ func_to_host_path_result=$func_convert_core_msys_to_w32_result
+ fi
func_convert_path_check : ";" \
"$func_to_host_path_tmp1" "$func_to_host_path_result"
func_convert_path_front_back_pathsep ":*" "*:" ";" "$1"
@@ -1394,8 +1427,13 @@ func_convert_path_msys_to_cygwin ()
# See func_convert_path_msys_to_w32:
func_stripname : : "$1"
func_to_host_path_tmp1=$func_stripname_result
- func_convert_core_msys_to_w32 -w -p "$func_to_host_path_tmp1"
- func_cygpath -u -p "$func_convert_core_msys_to_w32_result"
+ if test "yes" = "$cygpath_installed"; then
+ func_convert_core_msys_to_w32_with_cygpath -w -p
"$func_to_host_path_tmp1"
+ func_cygpath -u -p "$func_convert_core_msys_to_w32_with_cygpath_result"
+ else
+ func_convert_core_msys_to_w32 "$func_to_host_path_tmp1"
+ func_cygpath -u -p "$func_convert_core_msys_to_w32_result"
+ fi
func_to_host_path_result=$func_cygpath_result
func_convert_path_check : : \
"$func_to_host_path_tmp1" "$func_to_host_path_result"
diff --git a/m4/libtool.m4 b/m4/libtool.m4
index f009a5db..4ef92f3e 100644
--- a/m4/libtool.m4
+++ b/m4/libtool.m4
@@ -8716,4 +8716,27 @@ to_tool_file_cmd=$lt_cv_to_tool_file_cmd
AC_MSG_RESULT([$lt_cv_to_tool_file_cmd])
_LT_DECL([to_tool_file_cmd], [lt_cv_to_tool_file_cmd],
[0], [convert $build files to toolchain format])dnl
+
+AC_MSG_CHECKING([whether cygpath is installed])
+AC_CACHE_VAL(lt_cv_cygpath_installed,
+[lt_cv_cygpath_installed=ignoring;
+case $host in
+ *-*-mingw* | *-*-windows* | *-*-cygwin*)
+ case $build in
+ *-*-mingw* | *-*-windows* | *-*-cygwin*)
+ cygpath --help &> /dev/null
+ _lt_result=$?
+ if test 0 = "$_lt_result"; then
+ lt_cv_cygpath_installed=yes;
+ else
+ lt_cv_cygpath_installed=no;
+ fi
+ ;;
+ esac
+ ;;
+esac
+])
+AC_MSG_RESULT([$lt_cv_cygpath_installed])
+_LT_DECL([cygpath_installed], [lt_cv_cygpath_installed],
+ [0], [whether cygpath is installed])dnl
])# _LT_PATH_CONVERSION_FUNCTIONS
