From deb8d1e266f7be3672a645a79645dd04ea1d7745 Mon Sep 17 00:00:00 2001
From: midipix <writeonce@midipix.org>
Date: Mon, 18 Mar 2024 18:38:10 +0000
Subject: build system: ccenv.sh: bsd targets: define __BSD_VISIBLE as needed.

---
 sofort/ccenv/ccenv.sh | 25 +++++++++++++++++++++----
 1 file changed, 21 insertions(+), 4 deletions(-)

diff --git a/sofort/ccenv/ccenv.sh b/sofort/ccenv/ccenv.sh
index fdba47e..d975c6b 100644
--- a/sofort/ccenv/ccenv.sh
+++ b/sofort/ccenv/ccenv.sh
@@ -1118,10 +1118,6 @@ ccenv_set_os()
 	fi
 
 	case "$ccenv_cchost" in
-		*-*-*-* )
-			ccenv_tip=${ccenv_cchost%-*}
-			ccenv_os=${ccenv_tip#*-*-}
-			;;
 		*-*-musl | *-*-gnu )
 			ccenv_tip=${ccenv_cchost%-*}
 			ccenv_os=${ccenv_tip#*-}
@@ -1129,6 +1125,13 @@ ccenv_set_os()
 		*-*-solaris* )
 			ccenv_os='solaris'
 			;;
+		*-*-*bsd* | *-*-dragonfly* )
+			ccenv_os='bsd'
+			;;
+		*-*-*-* )
+			ccenv_tip=${ccenv_cchost%-*}
+			ccenv_os=${ccenv_tip#*-*-}
+			;;
 		*-*-* )
 			ccenv_os=${ccenv_cchost#*-*-}
 			;;
@@ -1440,6 +1443,19 @@ ccenv_set_os_gate_switches()
 	fi
 }
 
+ccenv_set_os_bsd_switches()
+{
+	if [ "$ccenv_os" = 'bsd' ]; then
+		mb_cfgtest_headers='sys/mman.h'
+
+		if ! cfgtest_macro_definition 'MAP_ANON'; then
+			ccenv_cflags_os="${ccenv_cflags_os} -D__BSD_VISIBLE"
+		fi
+
+		mb_cfgtest_headers=
+	fi
+}
+
 ccenv_output_defs()
 {
 	ccenv_in="$mb_project_dir/sofort/ccenv/ccenv.in"
@@ -1806,6 +1822,7 @@ ccenv_set_toolchain_variables()
 	ccenv_set_os_dso_patterns
 	ccenv_set_os_pe_switches
 	ccenv_set_os_gate_switches
+	ccenv_set_os_bsd_switches
 	ccenv_set_cc_attr_visibility_vars
 
 	ccenv_output_defs
-- 
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