meson: Use is_absolute to determine if the prefix directory is absolute

Meson's check for an absolute path does not work on Windows.
Meson 0.54.0 introduced the fs.is_absolute function.
Use this instead.

Signed-off-by: Jordan Williams <jordan@jwillikers.com>

diff --git a/meson.build b/meson.build
index 0cb879c3a812bb6cdabe5872720e1ab5ea96bceb..aa81e3de76a350d979eb960abe91dd6e22995ff3 100644 (file)
--- a/meson.build
+++ b/meson.build
@@ -21,7 +21,7 @@ libsmartcols_version = '1.1.0'
 libfdisk_version = '1.1.0'
 
 prefixdir = get_option('prefix')
-if not prefixdir.startswith('/')
+if not fs.is_absolute(prefixdir)
         error('Prefix is not absolute: "@0@"'.format(prefixdir))
 endif
 bindir = join_paths(prefixdir, get_option('bindir'))