Try different msvc hack
diff --git a/.appveyor.yml b/.appveyor.yml
index 3e68e6a..0c5501c 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -40,7 +40,7 @@
build_script:
- c:\cygwin\bin\sh -lc "(cd $OLDPWD; ./autogen.sh;)"
- - c:\cygwin\bin\sh -lc "(cd $OLDPWD; ./configure CC='/cygdrive/c/projects/libffi/msvcc.sh -m64' CXX='/cygdrive/c/projects/libffi/msvcc.sh -m64' LD=link CPP='cl -nologo -EP' --build=$BUILD --host=$HOST; cp src/x86/ffitarget.h include; make; find .; make check; cat `find ./ -name libffi.log`)"
+ - c:\cygwin\bin\sh -lc "(cd $OLDPWD; ./configure CC='/cygdrive/c/projects/libffi/.travis/compile cl -nologo' CXX='/cygdrive/c/projects/libffi/.travis/compile cl -nologo' LD=link CPP='cl -nologo -EP' AR=/cygdrive/c/projects/libffi/.travis/ar-lib lib" NM="dumpbin -symbols" STRIP=":" --build=$BUILD --host=$HOST; cp src/x86/ffitarget.h include; make; find .; make check; cat `find ./ -name libffi.log`)"
# FIXME: "make check" currently fails. It just looks like msvcc needs
# to learn about -L and -l options. If you add "make check; cat `find
diff --git a/.travis/ar-lib b/.travis/ar-lib
new file mode 100755
index 0000000..0baa4f6
--- /dev/null
+++ b/.travis/ar-lib
@@ -0,0 +1,270 @@
+#! /bin/sh
+# Wrapper for Microsoft lib.exe
+
+me=ar-lib
+scriptversion=2012-03-01.08; # UTC
+
+# Copyright (C) 2010-2018 Free Software Foundation, Inc.
+# Written by Peter Rosin <peda@lysator.liu.se>.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2, or (at your option)
+# any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <https://www.gnu.org/licenses/>.
+
+# As a special exception to the GNU General Public License, if you
+# distribute this file as part of a program that contains a
+# configuration script generated by Autoconf, you may include it under
+# the same distribution terms that you use for the rest of that program.
+
+# This file is maintained in Automake, please report
+# bugs to <bug-automake@gnu.org> or send patches to
+# <automake-patches@gnu.org>.
+
+
+# func_error message
+func_error ()
+{
+ echo "$me: $1" 1>&2
+ exit 1
+}
+
+file_conv=
+
+# func_file_conv build_file
+# Convert a $build file to $host form and store it in $file
+# Currently only supports Windows hosts.
+func_file_conv ()
+{
+ file=$1
+ case $file in
+ / | /[!/]*) # absolute file, and not a UNC file
+ if test -z "$file_conv"; then
+ # lazily determine how to convert abs files
+ case `uname -s` in
+ MINGW*)
+ file_conv=mingw
+ ;;
+ CYGWIN*)
+ file_conv=cygwin
+ ;;
+ *)
+ file_conv=wine
+ ;;
+ esac
+ fi
+ case $file_conv in
+ mingw)
+ file=`cmd //C echo "$file " | sed -e 's/"\(.*\) " *$/\1/'`
+ ;;
+ cygwin)
+ file=`cygpath -m "$file" || echo "$file"`
+ ;;
+ wine)
+ file=`winepath -w "$file" || echo "$file"`
+ ;;
+ esac
+ ;;
+ esac
+}
+
+# func_at_file at_file operation archive
+# Iterate over all members in AT_FILE performing OPERATION on ARCHIVE
+# for each of them.
+# When interpreting the content of the @FILE, do NOT use func_file_conv,
+# since the user would need to supply preconverted file names to
+# binutils ar, at least for MinGW.
+func_at_file ()
+{
+ operation=$2
+ archive=$3
+ at_file_contents=`cat "$1"`
+ eval set x "$at_file_contents"
+ shift
+
+ for member
+ do
+ $AR -NOLOGO $operation:"$member" "$archive" || exit $?
+ done
+}
+
+case $1 in
+ '')
+ func_error "no command. Try '$0 --help' for more information."
+ ;;
+ -h | --h*)
+ cat <<EOF
+Usage: $me [--help] [--version] PROGRAM ACTION ARCHIVE [MEMBER...]
+
+Members may be specified in a file named with @FILE.
+EOF
+ exit $?
+ ;;
+ -v | --v*)
+ echo "$me, version $scriptversion"
+ exit $?
+ ;;
+esac
+
+if test $# -lt 3; then
+ func_error "you must specify a program, an action and an archive"
+fi
+
+AR=$1
+shift
+while :
+do
+ if test $# -lt 2; then
+ func_error "you must specify a program, an action and an archive"
+ fi
+ case $1 in
+ -lib | -LIB \
+ | -ltcg | -LTCG \
+ | -machine* | -MACHINE* \
+ | -subsystem* | -SUBSYSTEM* \
+ | -verbose | -VERBOSE \
+ | -wx* | -WX* )
+ AR="$AR $1"
+ shift
+ ;;
+ *)
+ action=$1
+ shift
+ break
+ ;;
+ esac
+done
+orig_archive=$1
+shift
+func_file_conv "$orig_archive"
+archive=$file
+
+# strip leading dash in $action
+action=${action#-}
+
+delete=
+extract=
+list=
+quick=
+replace=
+index=
+create=
+
+while test -n "$action"
+do
+ case $action in
+ d*) delete=yes ;;
+ x*) extract=yes ;;
+ t*) list=yes ;;
+ q*) quick=yes ;;
+ r*) replace=yes ;;
+ s*) index=yes ;;
+ S*) ;; # the index is always updated implicitly
+ c*) create=yes ;;
+ u*) ;; # TODO: don't ignore the update modifier
+ v*) ;; # TODO: don't ignore the verbose modifier
+ *)
+ func_error "unknown action specified"
+ ;;
+ esac
+ action=${action#?}
+done
+
+case $delete$extract$list$quick$replace,$index in
+ yes,* | ,yes)
+ ;;
+ yesyes*)
+ func_error "more than one action specified"
+ ;;
+ *)
+ func_error "no action specified"
+ ;;
+esac
+
+if test -n "$delete"; then
+ if test ! -f "$orig_archive"; then
+ func_error "archive not found"
+ fi
+ for member
+ do
+ case $1 in
+ @*)
+ func_at_file "${1#@}" -REMOVE "$archive"
+ ;;
+ *)
+ func_file_conv "$1"
+ $AR -NOLOGO -REMOVE:"$file" "$archive" || exit $?
+ ;;
+ esac
+ done
+
+elif test -n "$extract"; then
+ if test ! -f "$orig_archive"; then
+ func_error "archive not found"
+ fi
+ if test $# -gt 0; then
+ for member
+ do
+ case $1 in
+ @*)
+ func_at_file "${1#@}" -EXTRACT "$archive"
+ ;;
+ *)
+ func_file_conv "$1"
+ $AR -NOLOGO -EXTRACT:"$file" "$archive" || exit $?
+ ;;
+ esac
+ done
+ else
+ $AR -NOLOGO -LIST "$archive" | sed -e 's/\\/\\\\/g' | while read member
+ do
+ $AR -NOLOGO -EXTRACT:"$member" "$archive" || exit $?
+ done
+ fi
+
+elif test -n "$quick$replace"; then
+ if test ! -f "$orig_archive"; then
+ if test -z "$create"; then
+ echo "$me: creating $orig_archive"
+ fi
+ orig_archive=
+ else
+ orig_archive=$archive
+ fi
+
+ for member
+ do
+ case $1 in
+ @*)
+ func_file_conv "${1#@}"
+ set x "$@" "@$file"
+ ;;
+ *)
+ func_file_conv "$1"
+ set x "$@" "$file"
+ ;;
+ esac
+ shift
+ shift
+ done
+
+ if test -n "$orig_archive"; then
+ $AR -NOLOGO -OUT:"$archive" "$orig_archive" "$@" || exit $?
+ else
+ $AR -NOLOGO -OUT:"$archive" "$@" || exit $?
+ fi
+
+elif test -n "$list"; then
+ if test ! -f "$orig_archive"; then
+ func_error "archive not found"
+ fi
+ $AR -NOLOGO -LIST "$archive" || exit $?
+fi
diff --git a/.travis/compile b/.travis/compile
new file mode 100755
index 0000000..99e5052
--- /dev/null
+++ b/.travis/compile
@@ -0,0 +1,348 @@
+#! /bin/sh
+# Wrapper for compilers which do not understand '-c -o'.
+
+scriptversion=2018-03-07.03; # UTC
+
+# Copyright (C) 1999-2018 Free Software Foundation, Inc.
+# Written by Tom Tromey <tromey@cygnus.com>.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2, or (at your option)
+# any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <https://www.gnu.org/licenses/>.
+
+# As a special exception to the GNU General Public License, if you
+# distribute this file as part of a program that contains a
+# configuration script generated by Autoconf, you may include it under
+# the same distribution terms that you use for the rest of that program.
+
+# This file is maintained in Automake, please report
+# bugs to <bug-automake@gnu.org> or send patches to
+# <automake-patches@gnu.org>.
+
+nl='
+'
+
+# We need space, tab and new line, in precisely that order. Quoting is
+# there to prevent tools from complaining about whitespace usage.
+IFS=" "" $nl"
+
+file_conv=
+
+# func_file_conv build_file lazy
+# Convert a $build file to $host form and store it in $file
+# Currently only supports Windows hosts. If the determined conversion
+# type is listed in (the comma separated) LAZY, no conversion will
+# take place.
+func_file_conv ()
+{
+ file=$1
+ case $file in
+ / | /[!/]*) # absolute file, and not a UNC file
+ if test -z "$file_conv"; then
+ # lazily determine how to convert abs files
+ case `uname -s` in
+ MINGW*)
+ file_conv=mingw
+ ;;
+ CYGWIN*)
+ file_conv=cygwin
+ ;;
+ *)
+ file_conv=wine
+ ;;
+ esac
+ fi
+ case $file_conv/,$2, in
+ *,$file_conv,*)
+ ;;
+ mingw/*)
+ file=`cmd //C echo "$file " | sed -e 's/"\(.*\) " *$/\1/'`
+ ;;
+ cygwin/*)
+ file=`cygpath -m "$file" || echo "$file"`
+ ;;
+ wine/*)
+ file=`winepath -w "$file" || echo "$file"`
+ ;;
+ esac
+ ;;
+ esac
+}
+
+# func_cl_dashL linkdir
+# Make cl look for libraries in LINKDIR
+func_cl_dashL ()
+{
+ func_file_conv "$1"
+ if test -z "$lib_path"; then
+ lib_path=$file
+ else
+ lib_path="$lib_path;$file"
+ fi
+ linker_opts="$linker_opts -LIBPATH:$file"
+}
+
+# func_cl_dashl library
+# Do a library search-path lookup for cl
+func_cl_dashl ()
+{
+ lib=$1
+ found=no
+ save_IFS=$IFS
+ IFS=';'
+ for dir in $lib_path $LIB
+ do
+ IFS=$save_IFS
+ if $shared && test -f "$dir/$lib.dll.lib"; then
+ found=yes
+ lib=$dir/$lib.dll.lib
+ break
+ fi
+ if test -f "$dir/$lib.lib"; then
+ found=yes
+ lib=$dir/$lib.lib
+ break
+ fi
+ if test -f "$dir/lib$lib.a"; then
+ found=yes
+ lib=$dir/lib$lib.a
+ break
+ fi
+ done
+ IFS=$save_IFS
+
+ if test "$found" != yes; then
+ lib=$lib.lib
+ fi
+}
+
+# func_cl_wrapper cl arg...
+# Adjust compile command to suit cl
+func_cl_wrapper ()
+{
+ # Assume a capable shell
+ lib_path=
+ shared=:
+ linker_opts=
+ for arg
+ do
+ if test -n "$eat"; then
+ eat=
+ else
+ case $1 in
+ -o)
+ # configure might choose to run compile as 'compile cc -o foo foo.c'.
+ eat=1
+ case $2 in
+ *.o | *.[oO][bB][jJ])
+ func_file_conv "$2"
+ set x "$@" -Fo"$file"
+ shift
+ ;;
+ *)
+ func_file_conv "$2"
+ set x "$@" -Fe"$file"
+ shift
+ ;;
+ esac
+ ;;
+ -I)
+ eat=1
+ func_file_conv "$2" mingw
+ set x "$@" -I"$file"
+ shift
+ ;;
+ -I*)
+ func_file_conv "${1#-I}" mingw
+ set x "$@" -I"$file"
+ shift
+ ;;
+ -l)
+ eat=1
+ func_cl_dashl "$2"
+ set x "$@" "$lib"
+ shift
+ ;;
+ -l*)
+ func_cl_dashl "${1#-l}"
+ set x "$@" "$lib"
+ shift
+ ;;
+ -L)
+ eat=1
+ func_cl_dashL "$2"
+ ;;
+ -L*)
+ func_cl_dashL "${1#-L}"
+ ;;
+ -static)
+ shared=false
+ ;;
+ -Wl,*)
+ arg=${1#-Wl,}
+ save_ifs="$IFS"; IFS=','
+ for flag in $arg; do
+ IFS="$save_ifs"
+ linker_opts="$linker_opts $flag"
+ done
+ IFS="$save_ifs"
+ ;;
+ -Xlinker)
+ eat=1
+ linker_opts="$linker_opts $2"
+ ;;
+ -*)
+ set x "$@" "$1"
+ shift
+ ;;
+ *.cc | *.CC | *.cxx | *.CXX | *.[cC]++)
+ func_file_conv "$1"
+ set x "$@" -Tp"$file"
+ shift
+ ;;
+ *.c | *.cpp | *.CPP | *.lib | *.LIB | *.Lib | *.OBJ | *.obj | *.[oO])
+ func_file_conv "$1" mingw
+ set x "$@" "$file"
+ shift
+ ;;
+ *)
+ set x "$@" "$1"
+ shift
+ ;;
+ esac
+ fi
+ shift
+ done
+ if test -n "$linker_opts"; then
+ linker_opts="-link$linker_opts"
+ fi
+ exec "$@" $linker_opts
+ exit 1
+}
+
+eat=
+
+case $1 in
+ '')
+ echo "$0: No command. Try '$0 --help' for more information." 1>&2
+ exit 1;
+ ;;
+ -h | --h*)
+ cat <<\EOF
+Usage: compile [--help] [--version] PROGRAM [ARGS]
+
+Wrapper for compilers which do not understand '-c -o'.
+Remove '-o dest.o' from ARGS, run PROGRAM with the remaining
+arguments, and rename the output as expected.
+
+If you are trying to build a whole package this is not the
+right script to run: please start by reading the file 'INSTALL'.
+
+Report bugs to <bug-automake@gnu.org>.
+EOF
+ exit $?
+ ;;
+ -v | --v*)
+ echo "compile $scriptversion"
+ exit $?
+ ;;
+ cl | *[/\\]cl | cl.exe | *[/\\]cl.exe | \
+ icl | *[/\\]icl | icl.exe | *[/\\]icl.exe )
+ func_cl_wrapper "$@" # Doesn't return...
+ ;;
+esac
+
+ofile=
+cfile=
+
+for arg
+do
+ if test -n "$eat"; then
+ eat=
+ else
+ case $1 in
+ -o)
+ # configure might choose to run compile as 'compile cc -o foo foo.c'.
+ # So we strip '-o arg' only if arg is an object.
+ eat=1
+ case $2 in
+ *.o | *.obj)
+ ofile=$2
+ ;;
+ *)
+ set x "$@" -o "$2"
+ shift
+ ;;
+ esac
+ ;;
+ *.c)
+ cfile=$1
+ set x "$@" "$1"
+ shift
+ ;;
+ *)
+ set x "$@" "$1"
+ shift
+ ;;
+ esac
+ fi
+ shift
+done
+
+if test -z "$ofile" || test -z "$cfile"; then
+ # If no '-o' option was seen then we might have been invoked from a
+ # pattern rule where we don't need one. That is ok -- this is a
+ # normal compilation that the losing compiler can handle. If no
+ # '.c' file was seen then we are probably linking. That is also
+ # ok.
+ exec "$@"
+fi
+
+# Name of file we expect compiler to create.
+cofile=`echo "$cfile" | sed 's|^.*[\\/]||; s|^[a-zA-Z]:||; s/\.c$/.o/'`
+
+# Create the lock directory.
+# Note: use '[/\\:.-]' here to ensure that we don't use the same name
+# that we are using for the .o file. Also, base the name on the expected
+# object file name, since that is what matters with a parallel build.
+lockdir=`echo "$cofile" | sed -e 's|[/\\:.-]|_|g'`.d
+while true; do
+ if mkdir "$lockdir" >/dev/null 2>&1; then
+ break
+ fi
+ sleep 1
+done
+# FIXME: race condition here if user kills between mkdir and trap.
+trap "rmdir '$lockdir'; exit 1" 1 2 15
+
+# Run the compile.
+"$@"
+ret=$?
+
+if test -f "$cofile"; then
+ test "$cofile" = "$ofile" || mv "$cofile" "$ofile"
+elif test -f "${cofile}bj"; then
+ test "${cofile}bj" = "$ofile" || mv "${cofile}bj" "$ofile"
+fi
+
+rmdir "$lockdir"
+exit $ret
+
+# Local Variables:
+# mode: shell-script
+# sh-indentation: 2
+# eval: (add-hook 'before-save-hook 'time-stamp)
+# time-stamp-start: "scriptversion="
+# time-stamp-format: "%:y-%02m-%02d.%02H"
+# time-stamp-time-zone: "UTC0"
+# time-stamp-end: "; # UTC"
+# End: