Run tests in the build directory

Test data files are copied into the build directory so that the tests can run
there instead of creating new files (e.g. new.icc) in the source directory

Bump minimum meson version to 0.64, because we are using fs.copyfile().

.github/workflows/build.yml

@@ -79,7 +79,7 @@ jobs:
       - name: Install packages
         run: |
           sudo apt-get -y install build-essential python3-pip ninja-build
-          pip install meson==0.59.2
+          pip install meson==0.64.0
 
       - name: Build Ubuntu
         run: |
@@ -95,7 +95,7 @@ jobs:
 
       - name: Install packages
         run: |
-          pip install meson==0.59.2
+          pip install meson==0.64.0
 
       - uses: ilammy/msvc-dev-cmd@v1
       - name: Build Windows

meson.build

@@ -2,7 +2,7 @@ project(
   'Little-CMS',
   'c',
   version: '2.16',
-  meson_version: '>=0.49.0',
+  meson_version: '>=0.64.0',
   # default_options: ['c_std=c99']
 )
 

testbed/meson.build

@@ -4,6 +4,17 @@ testcms_srcs = files(
   'zoo_icc.c',
 )
 
+# copy all iccs to the build dir and run the tests there
+iccs = [
+  'bad.icc', 'crayons.icc', 'new.icc', 'test2.icc', 'test4.icc', 'TestCLT.icc',
+  'bad_mpe.icc', 'ibm-t61.icc', 'test1.icc', 'test3.icc', 'test5.icc',
+  'toosmall.icc'
+]
+fs=import('fs')
+foreach icc : iccs
+  fs.copyfile(icc)
+endforeach
+
 testcms = executable(
   'testcms',
   testcms_srcs,
@@ -14,6 +25,6 @@ testcms = executable(
 test(
   'testcms',
   testcms,
-  workdir: meson.current_source_dir(),
+  workdir: meson.current_build_dir(),
   timeout: 600,
 )