master updated (cc511550 -> 383c97a8)

[Ileana Dumitrescu]

ildumi pushed a change to branch master.

    from cc511550 NEWS: Add news entries for recent changes
     new 434a308f m4: Fix Wstrict-prototypes warnings
     new ab89ebbc libtool: Correct DLL Installation Path for mingw
     new 7f86baed ltmain.in: Fix --preserve-dup-deps stripping duplicates
     new 81dda9b5 libtool: Alter test to expect pass
     new f0507df8 m4: Disable chained fixups for macOS
     new 3b78504a ltmain: Error message improvement
     new 2a25604b m4: Support additional flang-based compilers
     new 383c97a8 NEWS: Update for recent changes


Summary of changes:
 NEWS                    | 17 ++++++++++++
 NO-THANKS               |  3 ++
 build-aux/ltmain.in     | 74 ++++++++++++++++++++++++++-----------------------
 m4/libtool.m4           | 52 ++++++++++++++++++++++++++++------
 m4/ltdl.m4              |  4 +--
 tests/duplicate_deps.at |  3 +-
 tests/no-executables.at |  1 +
 7 files changed, 106 insertions(+), 48 deletions(-)