[Buildroot] [PATCH 1/1] package/kismet: fix static build with uclibc

Arnout Vandecappelle arnout at mind.be
Tue Dec 15 20:42:06 UTC 2020



On 24/11/2020 23:15, Fabrice Fontaine wrote:
> Fixes:
>  - http://autobuild.buildroot.org/results/b859eb3850c0beb23e18010dc2f07cd0f5c14440
> 
> Signed-off-by: Fabrice Fontaine <fontaine.fabrice at gmail.com>

 Applied to master, thanks.


> ---
>  ...don-t-override-LDFLAGS-with-CPPFLAGS.patch | 44 +++++++++++++++++++
>  package/kismet/kismet.mk                      |  2 +
>  2 files changed, 46 insertions(+)
>  create mode 100644 package/kismet/0001-configure.ac-don-t-override-LDFLAGS-with-CPPFLAGS.patch
> 
> diff --git a/package/kismet/0001-configure.ac-don-t-override-LDFLAGS-with-CPPFLAGS.patch b/package/kismet/0001-configure.ac-don-t-override-LDFLAGS-with-CPPFLAGS.patch
> new file mode 100644
> index 0000000000..f185333475
> --- /dev/null
> +++ b/package/kismet/0001-configure.ac-don-t-override-LDFLAGS-with-CPPFLAGS.patch
> @@ -0,0 +1,44 @@
> +From e70968bcbca86dd448d619c40cdeaae8b7dcee98 Mon Sep 17 00:00:00 2001
> +From: Fabrice Fontaine <fontaine.fabrice at gmail.com>
> +Date: Tue, 24 Nov 2020 23:01:55 +0100
> +Subject: [PATCH] configure.ac: don't override LDFLAGS with CPPFLAGS
> +
> +Don't override LDFLAGS with CPPFLAGS to avoid a build failure when
> +building statically with uclibc due to -static keyword being lost:
> +
> +/home/buildroot/autobuild/run/instance-3/output-1/host/bin/xtensa-buildroot-linux-uclibc-gcc -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -o kismet_cap_linux_wifi ../interface_control.c.o ../wifi_ht_channels.c.o linux_wireless_control.c.o linux_netlink_control.c.o linux_nexmon_control.c.o linux_wireless_rfkill.c.o capture_linux_wifi.c.o ../libkismetdatasource.a -L/home/buildroot/autobuild/run/instance-3/output-1/host/bin/../xtensa-buildroot-linux-uclibc/sysroot/usr/lib -lpcap -L/home/buildroot/autobuild/run/instance-3/output-1/host/bin/../xtensa-buildroot-linux-uclibc/sysroot/home/buildroot/autobuild/run/instance-3/output-1/host/xtensa-buildroot-linux-uclibc/sysroot/usr/lib/.libs -lnl-genl-3 -lnl-3   -L/home/buildroot/autobuild/run/instance-3/output-1/host/bin/../xtensa-buildroot-linux-uclibc/sysroot/usr/lib -lpthread -lnl-genl-3 -lnl-3 -lpthread   -lpthread -L/home/buildroot/autobuild/run/instance-3/output-1/host/bin/../xtensa-buildroot-linux-uclibc/sysr
>  oot/usr/lib -lprotobuf-c  -lm

 In the future, please try to avoid such long lines. git send-email splits them,
which makes the patch hard to apply. You can simply sed
/home/buildroot/autobuild/run/instance-3/output-1 to output.

 Regards,
 Arnout

> +/home/buildroot/autobuild/run/instance-3/output-1/host/lib/gcc/xtensa-buildroot-linux-uclibc/9.3.0/../../../../xtensa-buildroot-linux-uclibc/bin/ld: /home/buildroot/autobuild/run/instance-3/output-1/host/lib/gcc/xtensa-buildroot-linux-uclibc/9.3.0/libgcc.a(unwind-dw2-fde-dip.o): in function `_Unwind_Find_registered_FDE':
> +/home/buildroot/autobuild/run/instance-3/output-1/build/host-gcc-final-9.3.0/build/xtensa-buildroot-linux-uclibc/libgcc/../../../libgcc/unwind-dw2-fde.c:1040: undefined reference to `dl_iterate_phdr'
> +collect2: error: ld returned 1 exit status
> +
> +To fix this build failure, just drop OCPPFLAGS and OLDFLAGS which are
> +not used anymore
> +
> +Fixes:
> + - http://autobuild.buildroot.org/results/b859eb3850c0beb23e18010dc2f07cd0f5c14440
> +
> +Signed-off-by: Fabrice Fontaine <fontaine.fabrice at gmail.com>
> +[Upstream status: https://github.com/kismetwireless/kismet/pull/326]
> +---
> + configure.ac | 5 -----
> + 1 file changed, 5 deletions(-)
> +
> +diff --git a/configure.ac b/configure.ac
> +index aab47fb0..4df37a29 100644
> +--- a/configure.ac
> ++++ b/configure.ac
> +@@ -619,11 +619,6 @@ else
> +     AC_MSG_RESULT([no])
> + fi
> + 
> +-OCPPFLAGS=$CPPFLAGS
> +-CPPFLAGS="$CPPFLAGS"
> +-OLDFLAGS=$LDFLAGS
> +-LDFLAGS="$CPPFLAGS"
> +-
> + # Do we need libm for math functions?
> + AC_MSG_CHECKING([for libm math function in std libs])
> + OCFL="$CFLAGS"
> +-- 
> +2.29.2
> +
> diff --git a/package/kismet/kismet.mk b/package/kismet/kismet.mk
> index 54d014021f..0a4ae00f08 100644
> --- a/package/kismet/kismet.mk
> +++ b/package/kismet/kismet.mk
> @@ -17,6 +17,8 @@ KISMET_DEPENDENCIES = \
>  	zlib
>  KISMET_LICENSE = GPL-2.0+
>  KISMET_LICENSE_FILES = LICENSE
> +# We're patching configure.ac
> +KISMET_AUTORECONF = YES
>  KISMET_CONF_OPTS = --disable-debuglibs
>  
>  KISMET_CXXFLAGS = $(TARGET_CXXFLAGS)
> 


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