From db1f0760e842dbbd34924b5dcb14ee3922eae76d Mon Sep 17 00:00:00 2001
From: midipix <writeonce@midipix.org>
Date: Sun, 18 Feb 2024 06:33:00 +0000
Subject: build system: ccenv: detect compiler support of visibility
 attributes.

---
 sofort/ccenv/ccenv.sh | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

(limited to 'sofort/ccenv/ccenv.sh')

diff --git a/sofort/ccenv/ccenv.sh b/sofort/ccenv/ccenv.sh
index a13aa07..0f7f486 100644
--- a/sofort/ccenv/ccenv.sh
+++ b/sofort/ccenv/ccenv.sh
@@ -1654,6 +1654,25 @@ ccenv_set_cc_linker_switch_vars()
 	done
 }
 
+ccenv_set_cc_attr_visibility_vars()
+{
+	if cfgtest_attr_visibility 'default'; then
+		ccenv_attr_visibility_default="$mb_cfgtest_attr"
+	fi
+
+	if cfgtest_attr_visibility 'hidden'; then
+		ccenv_attr_visibility_hidden="$mb_cfgtest_attr"
+	fi
+
+	if cfgtest_attr_visibility 'internal'; then
+		ccenv_attr_visibility_internal="$mb_cfgtest_attr"
+	fi
+
+	if cfgtest_attr_visibility 'protected'; then
+		ccenv_attr_visibility_protected="$mb_cfgtest_attr"
+	fi
+}
+
 ccenv_dso_verify()
 {
 	ccenv_str='int foo(int x){return ++x;}'
@@ -1760,6 +1779,7 @@ ccenv_set_toolchain_variables()
 	ccenv_set_os_dso_linkage
 	ccenv_set_os_dso_patterns
 	ccenv_set_os_pe_switches
+	ccenv_set_cc_attr_visibility_vars
 
 	ccenv_output_defs
 	ccenv_clean_up
-- 
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