From mboxrd@z Thu Jan  1 00:00:00 1970
From: Baruch Siach <baruch@tkos.co.il>
Date: Sun, 8 Mar 2015 17:18:47 +0200
Subject: [Buildroot] [RFC v3 10/30] faifa: use TARGET_LDFLAGS
In-Reply-To: <CAHkwnC-AXpp3TSAm+4Vim=PJ9y2QNhEbVi5vEn7uSuYA-hDWEA@mail.gmail.com>
References: <1425374255-6827-1-git-send-email-fabio.porcedda@gmail.com>
 <1425374255-6827-11-git-send-email-fabio.porcedda@gmail.com>
 <20150303165708.GS15668@tarshish>
 <CAHkwnC-AXpp3TSAm+4Vim=PJ9y2QNhEbVi5vEn7uSuYA-hDWEA@mail.gmail.com>
Message-ID: <20150308151847.GC2518@tarshish>
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To: buildroot@busybox.net

Hi Fabio,

On Sun, Mar 08, 2015 at 04:14:51PM +0100, Fabio Porcedda wrote:
> >> +diff --git a/Makefile.in b/Makefile.in
> >> +index b1b7c58..792ac82 100644
> >> +--- a/Makefile.in
> >> ++++ b/Makefile.in
> >> +@@ -14,6 +14,7 @@
> >> + CC  = @CC@
> >> + STRIP       ?= $(CROSS)strip
> >> + CFLAGS      = @CFLAGS@
> >> ++LDFLAGS     = @LDFLAGS@
> >> + INSTALL     = @INSTALL@
> >> + LIBS        = @LIBS@
> >> +
> >> +@@ -50,7 +51,7 @@ SIM_LIBS:=-levent
> >> + SIM_CFLAGS:=-Wno-unused
> >> +
> >> + ifeq ($(OS),DARWIN)
> >> +-LDFLAGS:=-dynamiclib -Wl,-dylib_install_name -Wl,$(LIB_SONAME)
> >> ++LDFLAGS+=-dynamiclib -Wl,-dylib_install_name -Wl,$(LIB_SONAME)
> >
> > Why do you need this hunk?
> 
> Because without that the Makefile doesn't use the TARGET_LDFLAGS
> passed by buildroot to the configure script, so it doesn't find the
> libraries in the per-package staging directory, and i get this build
> failure:
> 
> >>> faifa v0.1 Building
> sha2.c: In function 'SHA256_Last':
> sha2.c:492:2: warning: dereferencing type-punned pointer will break
> strict-aliasing rules [-Wstrict-aliasing]
> /home/tetsuya/buildroot/br2/output/host/opt/ext-toolchain/bin/../lib/gcc/i686-pc-linux-gnu/4.7.2/../../../../i686-pc-linux-gnu/bin/ld:
> cannot find -lpcap
> collect2: error: ld returned 1 exit status
> Makefile:78: recipe for target 'libfaifa.so.0' failed
> make[1]: *** [libfaifa.so.0] Error 1
> package/pkg-generic.mk:182: recipe for target
> '/home/tetsuya/buildroot/br2/output/build/faifa-v0.1/.stamp_built'
> failed

Does $(OS) really evaluates to "DARWIN" on your system? This looks quite 
weird.

baruch

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