Re: strange issues with -all-static link flag under MinGW

[Werner LEMBERG]

Ping!  I've updated to current git of libtool
(v2.4.2.444-28-g053df7e), and the problem persists.

I'll also contact the MinGW list.

BTW, does it make sense to send my original e-mail to bug-libtool?


    Werner


======================================================================


> [libtool 2.4.2]
> 
> Folks,
> 
> 
> I have two programs, which I try to link with
> 
>   make LDFLAGS=-all-static
> 
> to build stand-alone Windows binaries.  One program has a command line
> interface, and everything is just fine.  The other one has a Qt GUI,
> and suddenly there is a mysterious problem: The program uses DLLs
> instead of the static libraries.
> 
> Note that all of the affected libraries (HarfBuzz, FreeType, and
> libpng) use libtool, and both static and dynamic libraries have been
> built and installed.  The other libraries mentioned are coming with
> MinGW.  Attached you can find the three .la files.
> 
> Here the libtool commands for the CLI program:
> 
>   /bin/sh ../libtool \
>     --tag=CXX \
>     --mode=link g++ \
>     -g -O2  -all-static \
>     -o ttfautohint.exe \
>     info.o main.o \
>     ../lib/libttfautohint.la \
>     ../gnulib/src/libgnu.la \
>     /usr/local/lib/libfreetype.la
> 
> This gets translated to
> 
>   libtool: link: g++ \
>     -g -O2 -static \
>     -o ttfautohint.exe \
>     info.o main.o  \
>     ../lib/.libs/libttfautohint.a \
>     -L/usr/local/lib \
>     -LD:/Werner/MinGW.new/msys/1.0/local/lib \
>     /usr/local/lib/libharfbuzz.a \
>     ../gnulib/src/.libs/libgnu.a \
>     /usr/local/lib/libfreetype.a \
>     -lbz2 \
>     /usr/local/lib/libpng16.a \
>     -lz
> 
> Here the same for the GUI program.  The large bunch of additional
> flags are extracted automatically from Qt's build mechanism using the
> `autotroll' m4 package, cf. http://repo.or.cz/w/autotroll.git.  Qt has
> been configured as a static build.  Since I don't know the cause, I
> don't shorten the libtool arguments here, showing the complete call.
> 
>   /bin/sh ../libtool \
>     --tag=CXX \
>     --mode=link g++ \
>     -pipe -Os \
>     -momit-leaf-frame-pointer -fno-exceptions \
>     -Wall -Wextra -fno-rtti \
>     -DUNICODE -DQT_STATIC_BUILD -DQT_NO_DEBUG \
>     -DQT_GUI_LIB -DQT_CORE_LIB -DQT_HAVE_MMX \
>     -DQT_HAVE_3DNOW -DQT_HAVE_SSE -DQT_HAVE_MMXEXT \
>     -DQT_HAVE_SSE2 -DQT_THREAD_SUPPORT \
>     -DQT_NEEDS_QMAIN -DQT_NO_DYNAMIC_CAST \
>     -g -O2 -static -static-libgcc \
>     -Wl,-s -Wl,-subsystem,windows -all-static \
>     -o ttfautohintGUI.exe \
>     ttfautohintGUI-ddlineedit.o ttfautohintGUI-info.o \
>     ttfautohintGUI-main.o ttfautohintGUI-maingui.o \
>     ttfautohintGUI-ttlineedit.o ttfautohintGUI-ddlineedit.moc.o \
>     ttfautohintGUI-maingui.moc.o ttfautohintGUI-ttlineedit.moc.o \
>     ../lib/libttfautohint.la \
>     ../gnulib/src/libgnu.la \
>     /usr/local/lib/libfreetype.la \
>     -L'd:/Werner/qt-4.8.5/lib' \
>     -lmingw32 -lqtmain -lQtGui -lgdi32 -lcomdlg32 \
>     -loleaut32 -limm32 -lwinmm -lwinspool -lmsimg32 \
>     -lQtCore -lole32 -luuid -lws2_32 -ladvapi32 \
>     -lshell32 -luser32 -lkernel32
> 
> And here the translation.
> 
>   libtool: link: g++ \
>     -pipe -Os \
>     -momit-leaf-frame-pointer -fno-exceptions \
>     -Wall -Wextra -fno-rtti \
>     -DUNICODE -DQT_STATIC_BUILD -DQT_NO_DEBUG \
>     -DQT_GUI_LIB -DQT_CORE_LIB -DQT_HAVE_MMX \
>     -DQT_HAVE_3DNOW -DQT_HAVE_SSE -DQT_HAVE_MMXEXT \
>     -DQT_HAVE_SSE2 -DQT_THREAD_SUPPORT \
>     -DQT_NEEDS_QMAIN -DQT_NO_DYNAMIC_CAST \
>     -g -O2 -static-libgcc \
>     -Wl,-s -Wl,-subsystem -Wl,windows -static \
>     -o ttfautohintGUI.exe \
>     ttfautohintGUI-ddlineedit.o ttfautohintGUI-info.o \
>     ttfautohintGUI-main.o ttfautohintGUI-maingui.o \
>     ttfautohintGUI-ttlineedit.o ttfautohintGUI-ddlineedit.moc.o \
>     ttfautohintGUI-maingui.moc.o ttfautohintGUI-ttlineedit.moc.o \
>     ../lib/.libs/libttfautohint.a \
>     -L/usr/local/lib \
>     -LD:/Werner/MinGW.new/msys/1.0/local/lib \
>     /usr/local/lib/libharfbuzz.dll.a \
>     ../gnulib/src/.libs/libgnu.a \
>     /usr/local/lib/libfreetype.dll.a \
>     -lbz2 \
>     /usr/local/lib/libpng16.dll.a \
>     -lz \
>     -Ld:/Werner/qt-4.8.5/lib \
>     -lmingw32 -lqtmain -lQtGui -lgdi32 -lcomdlg32 \
>     -loleaut32 -limm32 -lwinmm -lwinspool -lmsimg32 \
>     -lQtCore -lole32 -luuid -lws2_32 -ladvapi32 \
>     -lshell32 -luser32 -lkernel32 \
>     -L/usr/local/lib -L/usr/local/lib
> 
> Why does libtool decide to use the `.dll.a' stuff in the second call?
> 
> 
>     Werner