quex_file,
"-o", "quex_lexer",
"--buffer-element-size", "4",
+--- a/langkit/libmanage.py 2018-11-20 21:38:03.042086783 +0100
++++ b/langkit/libmanage.py 2018-11-20 21:39:50.562273656 +0100
+@@ -682,6 +682,8 @@
+
+ result = ['-XBUILD_MODE={}'.format(build_mode),
+ '-XLIBRARY_TYPE={}'.format(library_type),
++ '-XGPR_BUILD={}'.format(library_type),
++ '-XGNATCOLL_CORE_BUILD={}'.format(library_type),
+ '-XXMLADA_BUILD={}'.format(library_type)]
+
+ enable_build_warnings = getattr(args, 'enable_build_warnings', False)
+--- a/testsuite/python_support/utils.py 2018-11-20 21:41:46.156324084 +0100
++++ b/testsuite/python_support/utils.py 2018-11-20 21:42:26.049651194 +0100
+@@ -203,7 +203,8 @@
+ main_sources=', '.join('"{}"'.format(m) for m in ada_main)
+ ))
+ run('gprbuild', '-Pgen', '-q', '-p',
+- '-XLIBRARY_TYPE=relocatable', '-XXMLADA_BUILD=relocatable')
++ '-XLIBRARY_TYPE=relocatable', '-XGPR_BUILD=relocatable',
++ '-XXMLADA_BUILD=relocatable')
+
+ for i, m in enumerate(ada_main):
+ assert m.endswith('.adb')
+--- a/testsuite/testsuite_support/__init__.py 2018-11-20 21:45:08.828905205 +0100
++++ b/testsuite/testsuite_support/__init__.py 2018-11-20 21:46:10.837858988 +0100
+@@ -110,7 +110,9 @@
+ # Build Langkit_Support so that each testcase does not try to build it
+ # in parallel.
+ if not self.global_env['options'].disable_tear_up_builds:
+- gargs = ['-p', '-P', self.langkit_support_project_file]
++ gargs = ['-p']
++ gargs = gargs + ['-XGPR_BUILD=relocatable']
++ gargs = gargs + ['-P', self.langkit_support_project_file]
+ cargs = ['-cargs', '-O0', '-g']
+ if self.coverage_enabled:
+ gargs.append('--subdirs=gnatcov')
+--- a/testsuite/testsuite_support/base_driver.py 2018-11-20 22:04:54.199973719 +0100
++++ b/testsuite/testsuite_support/base_driver.py 2018-11-20 22:05:26.498436100 +0100
+@@ -312,7 +312,9 @@
+
+ :param str project_file: Project file name.
+ """
+- argv = ['gprbuild', '-P', project_file, '-p']
++ argv = ['gprbuild']
++ argv = argv + ['-XGPR_BUILD=relocatable']
++ argv = argv + ['-P', project_file, '-p']
+ cargs = ['-O0', '-g', '-gnata']
+ if self.coverage_enabled:
+ argv.append('--subdirs=gnatcov')