ci: gitly, vpm fixes

Author: medvednikov

.github/workflows/v_apps_and_modules_compile_ci.yml

@@ -141,7 +141,7 @@ jobs:
           ## echo "Build Gitly with -autofree"
           ## v -cc gcc -autofree /tmp/gitly
           echo "Compile gitly.css from gitly.scss"
-          sassc /tmp/gitly/static/static/css/gitly.scss > /tmp/gitly/static/static/css/gitly.css
+          sassc /tmp/gitly/static/css/gitly.scss > /tmp/gitly/static/css/gitly.css
           # echo "Run first_run.v"
           # v -cc gcc run /tmp/gitly/tests/first_run.v
           # # /tmp/gitly/gitly -ci_run

vlib/v/util/util.v

@@ -81,12 +81,15 @@ fn tool_recompilation_args(tool_name string, user_os string) []string {
 		// FreeBSD's default tcc setup can not compile vdoc reliably.
 		return ['-cc', 'cc']
 	}
-	if tool_name == 'vpm' {
+	if tool_name == 'vpm' && user_os == 'macos' {
 		// vpm performs HTTPS requests against the package registry, so it
 		// pulls in the TLS layer. Build it against OpenSSL instead of the
 		// bundled mbedtls: tcc miscompiles mbedtls big-int routines on
 		// Apple Silicon, which causes TLS handshakes to spin forever in
 		// mbedtls_mpi_sub_abs / ecp_modp (e.g. `v install sdl` would hang).
+		// Restricted to macOS: musl-based Linux builds lack the glibc
+		// headers OpenSSL pulls in (e.g. `sys/cdefs.h`), so forcing it
+		// there breaks `v install` in the docker-ubuntu-musl CI.
 		return ['-d', 'use_openssl']
 	}
 	return []string{}

vlib/v/util/util_test.v

@@ -10,13 +10,16 @@ fn test_tool_recompilation_args_force_system_cc_for_vdoc_on_freebsd() {
 
 fn test_tool_recompilation_args_use_openssl_for_vpm() {
 	assert tool_recompilation_args('vpm', 'macos') == ['-d', 'use_openssl']
-	assert tool_recompilation_args('vpm', 'linux') == ['-d', 'use_openssl']
-	assert tool_recompilation_args('vpm', 'windows') == ['-d', 'use_openssl']
 }
 
 fn test_tool_recompilation_args_do_not_change_other_tools_or_platforms() {
 	assert tool_recompilation_args('vfmt', 'freebsd').len == 0
 	assert tool_recompilation_args('vdoc', 'linux').len == 0
+	// musl-gcc on docker-ubuntu-musl can't find glibc's sys/cdefs.h that
+	// OpenSSL pulls in, so the `-d use_openssl` workaround is restricted to
+	// macOS where the original tcc/Apple-Silicon bug was reported.
+	assert tool_recompilation_args('vpm', 'linux').len == 0
+	assert tool_recompilation_args('vpm', 'windows').len == 0
 }
 
 fn test_fallback_tool_executable_path_uses_vtmp_for_missing_single_file_tool() {