experimental/libabigail: new package

Problems:

  * Test suite relies on non-reproducible binaries. Lots of tests fail
    presumably because it expects a glibc-based system.
  * Can't seem to get the tools to actually work on musl-produced
    binaries. No significant output is generated.

experimental/libabigail/APKBUILD

+# Contributor: Max Rees <maxcrees@me.com>
+# Maintainer: Max Rees <maxcrees@me.com>
+pkgname=libabigail
+pkgver=1.6
+pkgrel=0
+pkgdesc="The ABI Generic Analysis and Instrumentation Library"
+url="https://sourceware.org/libabigail/"
+arch="all"
+options="!check"  # Relies on checking non-reproducible binaries.
+license="LGPL-3.0+"
+depends=""
+depends_dev=""
+makedepends="$depends_dev elfutils-dev fts-dev libxml2-dev"
+subpackages="$pkgname-dev"
+source="http://mirrors.kernel.org/sourceware/libabigail/$pkgname-$pkgver.tar.gz
+	musl-basename.patch
+	musl-fts.patch
+	redhat-bs.patch"
+
+prepare() {
+	default_prepare
+	autoreconf -vif
+}
+
+build() {
+	./configure \
+		--build=$CBUILD \
+		--host=$CHOST \
+		--prefix=/usr \
+		--sysconfdir=/etc \
+		--mandir=/usr/share/man \
+		--localstatedir=/var
+	make
+}
+
+check() {
+	make check
+}
+
+package() {
+	make DESTDIR="$pkgdir" install
+}
+
+sha512sums="2ba775bd836b53265dae60e66065fc2106e7f633e890cc70b6abacb8426e04ec0b7b38593c21336f5785cf5e4eb8d110fb15ce63124cddc59f660f31c7b25b3c  libabigail-1.6.tar.gz
+ef5c7db0ce05dff36c654e4a6345ded43032b76bdc9159da60a5fdc59b3c70943881cb19c87a4c6b30eccb774c6c7767e790b395564058f5dbaa6e3f3e0b1373  musl-fts.patch
+0f5dcee3fbb1ee949df22e13a8ad248a8e39a086cb4c3561f5f45235c2f27cc589a07886560e2ecf7ee040811f64892c0e74ed653e0a1a5d20e62ab360c388a4  redhat-bs.patch"

experimental/libabigail/musl-basename.patch

+--- libabigail-1.6/tools/abisym.cc	2019-03-27 05:31:13.000000000 -0400
++++ libabigail-1.6/tools/abisym.cc	2019-07-18 07:19:28.999752604 -0400
+@@ -26,6 +26,7 @@
+ /// in its symbol tables and report what it sees.
+ 
+ #include <elf.h>
++#include <libgen.h>
+ #include <cstring>
+ #include <iostream>
+ #include <sstream>

experimental/libabigail/musl-fts.patch

+--- libabigail-1.6/configure.ac	2019-03-27 05:31:13.000000000 -0400
++++ libabigail-1.6/configure.ac	2019-07-18 07:12:25.129755599 -0400
+@@ -147,20 +147,6 @@ fi
+ 
+ AC_SUBST(VISIBILITY_FLAGS)
+ 
+-dnl Older glibc had a broken fts that didn't work with Large File Systems.
+-dnl We want the version that can handler LFS, but include workaround if we
+-dnl get a bad one. Add define to CFLAGS (not AC_DEFINE it) since we need to
+-dnl check it before including config.h (which might define _FILE_OFFSET_BITS).
+-AC_CACHE_CHECK([whether including fts.h with _FILE_OFFSET_BITS set breaks], ac_cv_bad_fts,
+-  [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
+-	#define _FILE_OFFSET_BITS 64
+-	#include <fts.h>
+-	]])],
+-		     ac_cv_bad_fts=no, ac_cv_bad_fts=yes)])
+-AS_IF([test "x$ac_cv_bad_fts" = "xyes"],
+-      [CFLAGS="$CFLAGS -DBAD_FTS=1",
+-       CXXFLAGS="$CXXFLAGS -DBAD_FTS=1"])
+-
+ dnl Check for dependency: libelf, libdw, libebl (elfutils)
+ dnl Note that we need to use at least elfutils 0.159 but
+ dnl at that time elfutils didnt have pkgconfig capabilities
+@@ -577,7 +563,7 @@ AX_VALGRIND_CHECK
+ 
+ dnl Set the list of libraries libabigail depends on
+ 
+-DEPS_LIBS="$XML_LIBS $LIBZIP_LIBS $ELF_LIBS $DW_LIBS"
++DEPS_LIBS="$XML_LIBS $LIBZIP_LIBS $ELF_LIBS $DW_LIBS -lfts"
+ AC_SUBST(DEPS_LIBS)
+ 
+ if test x$ABIGAIL_DEVEL != x; then

experimental/libabigail/redhat-bs.patch

+--- libabigail-1.6/build-aux/ltmain.sh	2015-04-24 08:08:19.000000000 -0400
++++ libabigail-1.6/build-aux/ltmain.sh	2019-07-18 07:03:18.589759461 -0400
+@@ -6523,7 +6523,7 @@ func_mode_link ()
+     old_convenience=
+     deplibs=
+     old_deplibs=
+-    compiler_flags="-specs=/usr/lib/rpm/redhat/redhat-hardened-ld"
++    compiler_flags=
+     linker_flags=
+     dllsearchpath=
+     lib_search_path=`pwd`