From 7b4c880b2ee4ddef9c07d587fc4f51d6cc788fb3 Mon Sep 17 00:00:00 2001
From: midipix <writeonce@midipix.org>
Date: Sun, 16 Aug 2020 16:05:11 +0000
Subject: build system: ccenv: added +ccenv_set_os_dso_format() [binary or
 archive].

---
 sofort/ccenv/ccenv.in   |  1 +
 sofort/ccenv/ccenv.sh   | 52 +++++++++++++++++++++++++++++++++++++++++++++++++
 sofort/ccenv/ccenv.vars |  1 +
 3 files changed, 54 insertions(+)

diff --git a/sofort/ccenv/ccenv.in b/sofort/ccenv/ccenv.in
index a8a07e3..61f9897 100644
--- a/sofort/ccenv/ccenv.in
+++ b/sofort/ccenv/ccenv.in
@@ -25,6 +25,7 @@ CC_HOST                         = @ccenv_cc_host@
 CC_BITS                         = @ccenv_cc_bits@
 
 CC_ARFMT                        = @ccenv_cc_arfmt@
+CC_SOFMT                        = @ccenv_cc_sofmt@
 CC_BINFMT                       = @ccenv_cc_binfmt@
 CC_UNDERSCORE                   = @ccenv_cc_underscore@
 
diff --git a/sofort/ccenv/ccenv.sh b/sofort/ccenv/ccenv.sh
index 8de220c..9ef0fba 100644
--- a/sofort/ccenv/ccenv.sh
+++ b/sofort/ccenv/ccenv.sh
@@ -1039,6 +1039,57 @@ ccenv_set_os_semantics()
 	ccenv_attr_epilog "$ccenv_os_semantics"
 }
 
+ccenv_set_os_dso_format()
+{
+	ccenv_attr_prolog 'os dso format'
+
+	case "$ccenv_cc_arfmt" in
+		common )
+			ccenv_cc_sofmt="$ccenv_cc_binfmt"
+			;;
+
+		bigaf )
+			ccenv_libgcc_s_a_header=$(od -b -N8             \
+				$($ccenv_cc -print-file-name=libgcc_s.a) \
+					2>/dev/null                       \
+					| head -n1)
+
+			ccenv_libgcc_s_so_header=$(od -b -N8             \
+				$($ccenv_cc -print-file-name=libgcc_s.so) \
+					2>/dev/null                        \
+					| head -n1)
+
+			if [ "$ccenv_libgcc_s_a_header" = "$ccenv_bigaf_header" ]; then
+				ccenv_cc_sofmt='bigaf'
+			elif [ "$ccenv_libgcc_s_so_header" = "$ccenv_bigaf_header" ]; then
+				ccenv_cc_sofmt='bigaf'
+			else
+				ccenv_cc_sofmt="$ccenv_cc_binfmt"
+			fi
+			;;
+
+		aiaff )
+			ccenv_libgcc_s_a_header=$(od -b -N8               \
+				$($ccenv_cc -print-file-name=libgcc_s.a) \
+					| head -n1)
+
+			ccenv_libgcc_s_so_header=$(od -b -N8               \
+				$($ccenv_cc -print-file-name=libgcc_s.so) \
+					| head -n1)
+
+			if [ "$ccenv_libgcc_s_a_header" = "$ccenv_aiaff_header" ]; then
+				ccenv_cc_sofmt='aiaff'
+			elif [ "$ccenv_libgcc_s_so_header" = "$ccenv_aiaff_header" ]; then
+				ccenv_cc_sofmt='aiaff'
+			else
+				ccenv_cc_sofmt="$ccenv_cc_binfmt"
+			fi
+			;;
+	esac
+
+	ccenv_attr_epilog "$ccenv_cc_sofmt"
+}
+
 ccenv_set_os_dso_exrules()
 {
 	ccenv_attr_prolog 'os dso exrules'
@@ -1335,6 +1386,7 @@ ccenv_set_toolchain_variables()
 	ccenv_set_os
 	ccenv_set_os_flags
 	ccenv_set_os_semantics
+	ccenv_set_os_dso_format
 	ccenv_set_os_dso_exrules
 	ccenv_set_os_dso_linkage
 	ccenv_set_os_dso_patterns
diff --git a/sofort/ccenv/ccenv.vars b/sofort/ccenv/ccenv.vars
index 6d9fc3a..07552af 100644
--- a/sofort/ccenv/ccenv.vars
+++ b/sofort/ccenv/ccenv.vars
@@ -25,6 +25,7 @@ ccenv_cc_host=
 ccenv_cc_bits=
 
 ccenv_cc_arfmt=
+ccenv_cc_sofmt=
 ccenv_cc_binfmt=
 ccenv_cc_underscore=
 
-- 
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