clapack: disable on blackfin

The "_" symbol prefix added by the blackfin toolchain causes "undefined
symbol" build failures when the compiler is trying to link a binary
with libblas and/or liblapack.

This patch also disables clapack reverse dependencies: armadillo.

Fixes:
  http://autobuild.buildroot.net/results/a28df0ba10803e6e54c2f8160bbd8190cba4d690/

Signed-off-by: Samuel Martin <s.martin49@gmail.com>
Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

diff --git a/package/armadillo/Config.in b/package/armadillo/Config.in
index 898564d22f2e8179a31b6cf7dd41d6697aef510a..c7a680afc0aea7ce074f5903e06a4d8b2bc9af39 100644 (file)
--- a/package/armadillo/Config.in
+++ b/package/armadillo/Config.in
@@ -2,6 +2,7 @@ comment "armadillo needs a toolchain w/ C++, largefile"
        depends on !BR2_INSTALL_LIBSTDCPP || !BR2_LARGEFILE
        depends on !(BR2_mips || BR2_mipsel || BR2_mips64 || BR2_mips64el) # clapack
        depends on !(BR2_powerpc && BR2_TOOLCHAIN_USES_UCLIBC) # clapack
+       depends on !BR2_bfin # clapack
 
 config BR2_PACKAGE_ARMADILLO
        bool "armadillo"
@@ -9,6 +10,7 @@ config BR2_PACKAGE_ARMADILLO
        depends on BR2_LARGEFILE # clapack
        depends on !(BR2_mips || BR2_mipsel || BR2_mips64 || BR2_mips64el) # clapack
        depends on !(BR2_powerpc && BR2_TOOLCHAIN_USES_UCLIBC) # clapack
+       depends on !BR2_bfin # clapack
        select BR2_PACKAGE_CLAPACK
        help
          Armadillo: An Open Source C++ Linear Algebra Library for

diff --git a/package/clapack/Config.in b/package/clapack/Config.in
index ee538a40db94f5a0a156cfc6bcbd197e80e20654..5e930a695880513f5597dd3c881e913859212e49 100644 (file)
--- a/package/clapack/Config.in
+++ b/package/clapack/Config.in
@@ -5,6 +5,10 @@ config BR2_PACKAGE_CLAPACK
        # _fpu_control is used on PowerPC, but not available with
        # uClibc
        depends on !(BR2_powerpc && BR2_TOOLCHAIN_USES_UCLIBC)
+       # disable clapack on blackfin, it triggers "undefined symbol" failure
+       # because of the "_" symbol prefix:
+       # http://autobuild.buildroot.net/results/a28df0ba10803e6e54c2f8160bbd8190cba4d690/
+       depends on !BR2_bfin
        help
          BLAS and LAPACK C implementation (f2c'ed version of).
 
@@ -24,5 +28,6 @@ config BR2_PACKAGE_CLAPACK_ARITH_H
 
 comment "cblas/clapack needs a toolchain w/ largefile"
        depends on !BR2_LARGEFILE
+       depends on !BR2_bfin
        depends on !(BR2_mips || BR2_mipsel || BR2_mips64 || BR2_mips64el)
        depends on !(BR2_powerpc && BR2_TOOLCHAIN_USES_UCLIBC)