From b176ca294a4f329d952a90681603c488e4055f98 Mon Sep 17 00:00:00 2001
From: midipix <writeonce@midipix.org>
Date: Aug 16 2020 18:04:05 +0000
Subject: build system: ccenv: ccenv_set_primary_tools(): added archive format support.


---

diff --git a/sofort/ccenv/ccenv.in b/sofort/ccenv/ccenv.in
index f12c78e..a8a07e3 100644
--- a/sofort/ccenv/ccenv.in
+++ b/sofort/ccenv/ccenv.in
@@ -24,6 +24,7 @@ OS_LIB_SUFFIXED_SUFFIX          = @ccenv_os_lib_suffixed_suffix@
 CC_HOST                         = @ccenv_cc_host@
 CC_BITS                         = @ccenv_cc_bits@
 
+CC_ARFMT                        = @ccenv_cc_arfmt@
 CC_BINFMT                       = @ccenv_cc_binfmt@
 CC_UNDERSCORE                   = @ccenv_cc_underscore@
 
diff --git a/sofort/ccenv/ccenv.sh b/sofort/ccenv/ccenv.sh
index c026030..52ad423 100644
--- a/sofort/ccenv/ccenv.sh
+++ b/sofort/ccenv/ccenv.sh
@@ -226,6 +226,48 @@ ccenv_set_primary_tools()
 
 	# windrc
 	ccenv_windrc="$ccenv_windres"
+
+	# archive format preamble
+	ccenv_libgcc_a_header=$(od -b -N8 $($ccenv_cc -print-file-name=libgcc.a) | head -n1)
+	ccenv_cc_arfmt='common'
+
+	# ar (big)
+	ccenv_bigaf_header=$(printf '%s\n' '<bigaf>' | od -b | head -n1)
+
+	if [ "$ccenv_libgcc_a_header" = "$ccenv_bigaf_header" ]; then
+		ccenv_cc_arfmt='bigaf'
+
+		for __tool in $(printf '%s' "$ccenv_core_tools"); do
+			ccenv_var_name=ccenv_$__tool
+			ccenv_var_expr='${'$ccenv_var_name':-}'
+			eval ccenv_var_val="$ccenv_var_expr"
+
+			if [ "$ccenv_var_val" != false ]; then
+				ccenv_var_val="$ccenv_var_val -X64"
+				ccenv_var_expr='${ccenv_var_val:-}'
+				eval ccenv_$__tool="$ccenv_var_expr"
+			fi
+		done
+	fi
+
+	# ar (small)
+	ccenv_aiaff_header=$(printf '%s\n' '<aiaff>' | od -b | head -n1)
+
+	if [ "$ccenv_libgcc_a_header" = "$ccenv_aiaff_header" ]; then
+		ccenv_cc_arfmt='aiaff'
+
+		for __tool in $(printf '%s' "$ccenv_core_tools"); do
+			ccenv_var_name=ccenv_$__tool
+			ccenv_var_expr='${'$ccenv_var_name':-}'
+			eval ccenv_var_val="$ccenv_var_expr"
+
+			if [ "$ccenv_var_val" != false ]; then
+				ccenv_var_val="$ccenv_var_val -X32"
+				ccenv_var_expr='${ccenv_var_val:-}'
+				eval ccenv_$__tool="$ccenv_var_expr"
+			fi
+		done
+	fi
 }
 
 ccenv_set_tool_variants()
diff --git a/sofort/ccenv/ccenv.vars b/sofort/ccenv/ccenv.vars
index 4775b37..6d9fc3a 100644
--- a/sofort/ccenv/ccenv.vars
+++ b/sofort/ccenv/ccenv.vars
@@ -24,6 +24,7 @@ ccenv_os_lib_suffixed_suffix=
 ccenv_cc_host=
 ccenv_cc_bits=
 
+ccenv_cc_arfmt=
 ccenv_cc_binfmt=
 ccenv_cc_underscore=