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* libtool.m4 (AC_LIBTOOL_SETUP): GCC now checks -shared to

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create a dll for Windows targets.
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Elizabeth Barham 2002-10-04 15:34:50 +00:00 committed by Robert Boehne
parent dec5788036
commit 14a18a2500
2 changed files with 11 additions and 3 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
2002-10-04 Elizabeth Barham <soggytrousers@yahoo.com>
* libtool.m4 (AC_LIBTOOL_SETUP): GCC now checks -shared to
create a dll for Windows targets.
2002-09-24 Robert Boehne <rboehne@gnu.org>
* ltmain.in: Fixed a few spelling errors.

9
libtool.m4 vendored
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@ -507,11 +507,14 @@ AC_PROVIDE_IFELSE([AC_LIBTOOL_WIN32_DLL],
case $host/$CC in
*-*-cygwin*/gcc*-mno-cygwin*|*-*-mingw*)
# old mingw systems require "-dll" to link a DLL, while more recent ones
# require "-mdll"
# require "-mdll" (and still newer ones would rather have "-shared")
SAVE_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -mdll"
CFLAGS="$CFLAGS -shared"
AC_CACHE_CHECK([how to link DLLs], lt_cv_cc_dll_switch,
[AC_TRY_LINK([], [], [lt_cv_cc_dll_switch=-mdll],[lt_cv_cc_dll_switch=-dll])])
[AC_TRY_LINK([],[],[lt_cv_cc_dll_switch=-shared],
[
CFLAGS="$SAVE_CFLAGS -mdll"
AC_TRY_LINK([], [], [lt_cv_cc_dll_switch=-mdll],[lt_cv_cc_dll_switch=-dll])])])
CFLAGS="$SAVE_CFLAGS" ;;
*-*-cygwin* | *-*-pw32*)
# cygwin systems need to pass --dll to the linker, and not link