5 files changed, 67 insertions, 0 deletions
diff --git a/test cases/common/168 preserve gendir/base.inp b/test cases/common/168 preserve gendir/base.inp
new file mode 100644
index 0000000..df967b9
--- /dev/null
+++ b/test cases/common/168 preserve gendir/base.inp
@@ -0,0 +1 @@
+base
diff --git a/test cases/common/168 preserve gendir/com/mesonbuild/subbie.inp b/test cases/common/168 preserve gendir/com/mesonbuild/subbie.inp
new file mode 100644
index 0000000..df0f4e9
--- /dev/null
+++ b/test cases/common/168 preserve gendir/com/mesonbuild/subbie.inp
@@ -0,0 +1 @@
+subbie
diff --git a/test cases/common/168 preserve gendir/genprog.py b/test cases/common/168 preserve gendir/genprog.py
new file mode 100755
index 0000000..681c43a
--- /dev/null
+++ b/test cases/common/168 preserve gendir/genprog.py
@@ -0,0 +1,46 @@
+#!/usr/bin/env python3
+
+import os, sys, argparse
+
+h_templ = '''#pragma once
+
+int %s(void);
+'''
+
+c_templ = '''#include"%s.h"
+
+int %s(void) {
+    return 0;
+}
+'''
+
+parser = argparse.ArgumentParser()
+parser.add_argument('--searchdir', required=True)
+parser.add_argument('--outdir', required=True)
+parser.add_argument('ifiles', nargs='+')
+
+options = parser.parse_args()
+
+searchdir = options.searchdir
+outdir = options.outdir
+ifiles = options.ifiles
+
+rel_ofiles = []
+
+for ifile in ifiles:
+    if not ifile.startswith(options.searchdir):
+        sys.exit(f'Input file {ifile} does not start with search dir {searchdir}.')
+    rel_ofile = ifile[len(searchdir):]
+    if rel_ofile[0] == '/' or rel_ofile[0] == '\\':
+        rel_ofile = rel_ofile[1:]
+    rel_ofiles.append(os.path.splitext(rel_ofile)[0])
+
+ofile_bases = [os.path.join(outdir, i) for i in rel_ofiles]
+
+for i, ifile_name in enumerate(ifiles):
+    proto_name = open(ifile_name).readline().strip()
+    h_out = ofile_bases[i] + '.h'
+    c_out = ofile_bases[i] + '.c'
+    os.makedirs(os.path.split(ofile_bases[i])[0], exist_ok=True)
+    open(h_out, 'w').write(h_templ % (proto_name))
+    open(c_out, 'w').write(c_templ % (proto_name, proto_name))
diff --git a/test cases/common/168 preserve gendir/meson.build b/test cases/common/168 preserve gendir/meson.build
new file mode 100644
index 0000000..ce219f0
--- /dev/null
+++ b/test cases/common/168 preserve gendir/meson.build
@@ -0,0 +1,13 @@
+project('preserve subdir', 'c')
+
+gprog = find_program('genprog.py')
+
+gen = generator(gprog, \
+  output    : ['@BASENAME@.c', '@BASENAME@.h'],
+  arguments : ['--searchdir=@CURRENT_SOURCE_DIR@', '--outdir=@BUILD_DIR@', '@INPUT@'])
+
+generated = gen.process('base.inp', 'com/mesonbuild/subbie.inp',
+  preserve_path_from : meson.current_source_dir())
+
+e = executable('testprog', 'testprog.c', generated)
+test('testprog', e)
diff --git a/test cases/common/168 preserve gendir/testprog.c b/test cases/common/168 preserve gendir/testprog.c
new file mode 100644
index 0000000..b6a9926
--- /dev/null
+++ b/test cases/common/168 preserve gendir/testprog.c
@@ -0,0 +1,6 @@
+#include"base.h"
+#include"com/mesonbuild/subbie.h"
+
+int main(void) {
+    return base() + subbie();
+}