From db460f5cfa435089333fd8e76ddc74164b43b502 Mon Sep 17 00:00:00 2001
From: midipix <writeonce@midipix.org>
Date: Sat, 21 Mar 2015 18:46:22 -0400
Subject: ltmain.sh: add import library handling for the midipix targets.

signed-off by Z. Gilboa; see copying.midipix (9cd0746c) for additional information.
---
 ltmain.sh | 50 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 50 insertions(+)

(limited to 'ltmain.sh')

diff --git a/ltmain.sh b/ltmain.sh
index a03433f17..ff28f7854 100644
--- a/ltmain.sh
+++ b/ltmain.sh
@@ -2305,6 +2305,49 @@ func_mode_install ()
 
 	  # Do each command in the postinstall commands.
 	  lib="$destdir/$realname"
+
+	  case $host_os in
+		midipix*)
+			implib_ver_def_name=$dir/`echo "$realname" | sed -E 's/[^\.]+$/so.def/'`
+			implib_def_name=`mktemp`
+			implib_exp_def_name=`mktemp`
+			implib_name=$dir/`echo "$realname" | sed -E 's/(\.[0-9]+)+$//;s/^(.+)\.[^\.]+$/\1.lib.a/'`
+			dso_name=$dir/`echo "$realname" | sed -E 's/(\.[0-9]+)+$//;s/^(.+)\.[^\.]+$/\1.so/'`
+			excluded_symbols='\ __EH_FRAME_BEGIN__ \ |\ __dso_handle\ |\ _init\ |\ _fini\ |\ _so_entry_point\ |\ dso_main_routine\ '
+
+			# echo; echo;
+			# echo 'midimark:'
+			# echo '--------:'
+			# echo $implib_ver_def_name
+			# echo $implib_def_name
+			# echo $implib_exp_def_name
+			# echo $implib_name
+			# echo $excluded_symbols
+			# echo; echo
+
+			# grep -v '\.' is here since dlltool rejects names that contain a period;
+			# this is surprising, since the 'versioned' import library (the one
+			# produced by ld) both accepts these symbols and exports them.
+
+			# this only affects symbols prefixed by __emutls_[vt], which presumably
+			# are only marked for export due to --export-all-symbols being the default.
+
+			grep -n 'IMPORTS' "$implib_ver_def_name" || imp_lines='all'
+
+			if [ "$imp_lines"x = allx ]; then
+				cp "$implib_ver_def_name" "$implib_exp_def_name"
+			else
+				grep -vE '"$excluded_symbols"' "$implib_ver_def_name" | grep -v '\.' > "$implib_def_name"
+				imp_lines=`grep -n 'IMPORTS' "$implib_def_name" | cut -d':' -f1`
+				imp_lines=`expr $imp_lines - 1`
+				head -n$imp_lines "$implib_def_name" > "$implib_exp_def_name"
+			fi
+
+			"$host"-dlltool -d "$implib_exp_def_name" -D "$dso_name" -l "$implib_name"
+			cp -t "$destdir" "$implib_name"
+			;;
+	  esac
+
 	  func_execute_cmds "$postinstall_cmds" 'exit $?'
 	fi
 
@@ -8355,6 +8398,13 @@ EOF
 	      fi
 	      ;;
 	  esac
+
+	  case $host_os in
+		midipix*)
+			unset dependency_libs
+			;;
+	  esac
+
 	  $ECHO > $output "\
 # $outputname - a libtool library file
 # Generated by $PROGRAM (GNU $PACKAGE$TIMESTAMP) $VERSION
-- 
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