diff --git a/package/pkg-autotools.mk b/package/pkg-autotools.mk index d1cdb89fb5..00822e2a9d 100644 --- a/package/pkg-autotools.mk +++ b/package/pkg-autotools.mk @@ -78,6 +78,15 @@ define LIBTOOL_PATCH_HOOK done endef +# +# Hook to patch common issue with configure on powerpc64{,le} failing +# to detect shared library support: +# +define CONFIGURE_FIX_POWERPC64_HOOK + @$(call MESSAGE,"Checking configure (powerpc64/powerpc64le)") + support/scripts/fix-configure-powerpc64.sh $($(PKG)_DIR) +endef + # # Hook to gettextize the package if needed # @@ -255,6 +264,13 @@ endif endif +# Append a configure hook if building for a powerpc64 (or powerpc64le) arch. +# Must be added after other pre-configure hooks that might regenerate the +# configure script and overwrite the changes made here. +ifneq ($$(filter powerpc64%,$$(if $$(filter target,$(4)),$$(ARCH),$$(HOSTARCH))),) +$(2)_PRE_CONFIGURE_HOOKS += CONFIGURE_FIX_POWERPC64_HOOK +endif + # # Build step. Only define it if not already defined by the package .mk # file. diff --git a/support/scripts/fix-configure-powerpc64.sh b/support/scripts/fix-configure-powerpc64.sh new file mode 100755 index 0000000000..ad710422a5 --- /dev/null +++ b/support/scripts/fix-configure-powerpc64.sh @@ -0,0 +1,47 @@ +#!/bin/bash + +# This is a script to find, and correct, a problem with old versions of +# configure that affect powerpc64 and powerpc64le. + +# The issue causes configure to incorrectly determine that shared library +# support is not present in the linker. This causes the package to build a +# static library rather than a dynamic one and although the build will succeed, +# it may cause packages that link with the static library it to fail due to +# undefined symbols. + +# This script searches for files named 'configure' that appear to have this +# issue (by searching for a known bad pattern) and patching them. + +set -e + +if [ $# -ne 1 ]; then + echo "Usage: $0 " + exit 2 +fi + +srcdir="$1" +files=$(cd "$srcdir" && find . -name configure \ +-exec grep -qF 'Generated by GNU Autoconf' {} \; \ +-exec grep -qF 'ppc*-*linux*|powerpc*-*linux*)' {} \; -print) + +# --ignore-whitespace is needed because some packages have included +# copies of configure scripts where tabs have been replaced with spaces. +for c in $files; do + patch --ignore-whitespace "$srcdir"/"$c" <<'EOF' +--- a/configure 2016-11-16 15:31:46.097447271 +1100 ++++ b/configure 2008-07-21 12:17:23.000000000 +1000 +@@ -4433,7 +4433,10 @@ + x86_64-*linux*) + LD="${LD-ld} -m elf_x86_64" + ;; +- ppc*-*linux*|powerpc*-*linux*) ++ powerpcle-*linux*) ++ LD="${LD-ld} -m elf64lppc" ++ ;; ++ powerpc-*linux*) + LD="${LD-ld} -m elf64ppc" + ;; + s390*-*linux*) +EOF +done +