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How can I convert a Cygwin style path ( /cygdrive/c/foo/bar ) to Windows style ( C:/foo/bar ) (yes, with / going forward) in a GNU makefile? I have the situation of using Cygwin's make with a GCC that does not understand Cygwin style paths, so paths relative to the makefiles location that are produced by make are not accepted by the compiler.
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Update the PATH environment variable: From the Start menu, select Parameters > Control Panel > System. Select the Advanced tab and click Environment variables. Edit the PATH environment variable to add the Cygwin installation directory, for example c:\cygwin\bin; and click OK.
The Cygwin DLL supports user specific fstab files. These are stored in the directory /etc/fstab. d and the name of the file is the Cygwin username of the user, as it's created from the Windows account database or stored in the /etc/passwd file (see the section called “Mapping Windows accounts to POSIX accounts”).
Description. The cygpath program is a utility that converts Windows native filenames to Cygwin POSIX-style pathnames and vice versa. It can be used when a Cygwin program needs to pass a file name to a native Windows program, or expects to get a file name from a native Windows program.
Using Cygwin As noted, Cygwin provides a Unix-like environment under Windows. The installation directory (by default, c:\cygwin) is the root of the Unix-like file system, which contains bin, etc, home, tmp, and usr directories as would be found on a GNU/Linux or other Unix system.
Use the shell function to execute the cygpath utility with the -w flag.
Example:
BAR := /cygdrive/c/foo/bar
WIN_BAR := $(shell cygpath -w ${BAR})
cygpath accepts a lot of additional options. See the man page for details.
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