review: align Meson to c99 and strict flags; export SUPPORTS_* env; fix test prototype

Author: flyingrobots

meson.build

@@ -1,6 +1,6 @@
 project('libgitledger', 'c',
   version: '0.1.0',
-  default_options: ['c_std=c17', 'warning_level=3', 'werror=true']
+  default_options: ['c_std=c99', 'warning_level=3', 'werror=true']
 )
 
 vendor_libgit2 = get_option('vendor_libgit2')
@@ -54,6 +54,7 @@ libgitledger = static_library(
   include_directories: include_dir,
   dependencies: lib_deps,
   c_args: lib_c_args + ['-DGITLEDGER_BUILD'],
+  link_args: ['-nostdlib'],
 )
 
 tests_version = executable(

tests/error_test.c

@@ -1,6 +1,11 @@
 #include "gitledger/context.h"
 #include "gitledger/error.h"
 
+#ifdef NDEBUG
+static void test_teardown_refusal_with_live_errors(void);
+#endif
+
+
 #include <assert.h>
 #include <stdio.h>
 #include <stdlib.h>
@@ -170,7 +175,6 @@ int main(void)
     test_allocator_balance();
 #ifdef NDEBUG
     /* Release builds must refuse context teardown with live errors. */
-    extern void test_teardown_refusal_with_live_errors(void);
     test_teardown_refusal_with_live_errors();
 #endif
     return 0;

tools/container/run-matrix.sh

@@ -99,6 +99,8 @@ start_job() {
         -e RUN_TIDY="${run_tidy}" \
         -e LIBGITLEDGER_SUPPORTS_SANITIZERS="${supports_sanitizers}" \
         -e LIBGITLEDGER_SUPPORTS_ANALYZE="${supports_analyze}" \
+        -e SUPPORTS_SANITIZERS="${supports_sanitizers}" \
+        -e SUPPORTS_ANALYZE="${supports_analyze}" \
         -e LIBGITLEDGER_MATRIX_JOB="${name}" \
         -v "${REPO_ROOT}:/workspace:ro" \
         "${IMAGE_NAME}" \