libabigail/configure.ac

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m4_define([version_major], [1])
m4_define([version_minor], [0])
m4_define([version_revision],[0])
AC_INIT([libabigail],
[version_major.version_minor.version_revision],
[http://sourceware.org/bugzilla],
[libabigail],
[http://sourceware.org/libabigail])
AC_PREREQ([2.63])
AC_CONFIG_AUX_DIR([build-aux])
AC_CONFIG_HEADER([config.h])
AC_CONFIG_SRCDIR([README])
AC_CONFIG_MACRO_DIR([m4])
AM_INIT_AUTOMAKE([1.11.1 foreign subdir-objects tar-ustar parallel-tests])
AM_MAINTAINER_MODE([enable])
AM_SILENT_RULES([yes])
VERSION_MAJOR=version_major
VERSION_MINOR=version_minor
VERSION_REVISION=version_revision
AC_SUBST(VERSION_MAJOR)
AC_SUBST(VERSION_MINOR)
AC_SUBST(VERSION_REVISION)
AC_ARG_ENABLE(zip-archive,
AS_HELP_STRING([--enable-zip-archive=yes|no|auto],
[enable bundling of TUs in zip archives (default is auto)]),
ENABLE_ZIP_ARCHIVE=$enableval,
ENABLE_ZIP_ARCHIVE=auto)
Make the use of a C++-11 compiler optional * configure.ac: Define a new --enable-cxx11 switch to control the use of the C++-11 compiler. Define a WITH_CXX11 C macro and an automake ENABLE_CXX11 variable. * config.h.in: Initialize the new WITH_CXX11 C macro. * src/Makefile.am: Include the files coded in C++-11 only if the ENABLE_CXX11 automake variable is defined. * tests/Makefile.am: Likewise, build the runtestsvg test program only if C++-11 usage is enabled. * include/abg-diff-utils.h (class d_path_vec): Remove useless usage of the 'typename' keyword. * include/abg-fwd.h (is_enum_type): Renamed is_enum into this, because of a name clash with a tr1 function when not using C++-11. (is_pointer_type): Likewise, renamed is_pointer into this because of a name clash with a tr1 function when not using C++-11. * src/abg-comp-filter.cc (has_harmless_name_change): Adjust for the is_enum -> is_enum_type change. * src/abg-comparison.cc (type_suppression::suppresses_diff): Likewise. (class function_suppression::priv): Add a missing "class" keyword in friend declaration. (diff_context::diff_has_been_traversed) (diff_context::mark_diff_as_traversed): Do not use the C++-11 specific type uintptr_t. * src/abg-dwarf-reader.cc (create_default_dwfl): Do not use designated initializers. Sigh. This is handy though. (expr_result::abs): Cast the argument of std::abs to avoid ambiguous call. (finish_member_function_reading): Adjust for the is_pointer -> is_pointer_type renaming. * src/abg-hash.cc (scope_decl::hash::operator) (class_decl::base_spec::hash::operator) (type_composition::hash::operator): Use std::tr1::hash string, rather than the C++-11 specific std::hash function. * src/abg-ini.cc (read_sections, write_sections): Make std::ifstream constructor take a const char* rather than a string. * src/abg-ir.cc (is_enum_type, is_pointer_type): Renamed is_enum into is_enum_type and is_pointer into is_pointer_type. * src/abg-writer.cc (write_translation_unit): Remove useless typename keyword. Make ofstream take a const char* rather than a string. (write_namespace_decl): Remove useless typename keyword. (write_corpus_to_native_xml_file): Make ofstream take a const char* rather than a string. * tests/test-abidiff.cc (main): Make ofstream take a const char* rather than a string. * tests/test-diff-dwarf.cc (main): Likewise. Signed-off-by: Dodji Seketeli <dodji@redhat.com>
2014-11-05 09:08:33 +00:00
AC_ARG_ENABLE(cxx11,
AS_HELP_STRING([--enable-cxx11=yes|no],
[enable features that use the C++11 compiler]),
ENABLE_CXX11=$enableval,
ENABLE_CXX11=no)
AC_ARG_ENABLE(apidoc,
AS_HELP_STRING([--enable-apidoc=yes|no|auto],
[enable generation of the apidoc in html]),
ENABLE_APIDOC=$enableval,
ENABLE_APIDOC=auto)
AC_ARG_ENABLE(manual,
AS_HELP_STRING([--enable-manual=yes|no|auto],
[enable generation of the manual in html]),
ENABLE_MANUAL=$enableval,
ENABLE_MANUAL=auto)
dnl *************************************************
dnl Here is the list of versions of the dependencies
dnl *************************************************
AC_PROG_CXX
AC_USE_SYSTEM_EXTENSIONS
AC_PROG_INSTALL
LT_PREREQ([2.2])
LT_INIT
AC_LANG([C++])
AC_LANG_COMPILER_REQUIRE
Detect and report changes in ELF architecture Libabigail does not take in account the architecture of the ELF file it reads. This patch changes that to represent the ELF architecture as a string, detect when that architecture changes accross two corpora being compared and emit a report about that change. * configure.ac: Detect the presence of libebl.a and add it to the list of library we depend on to build libabigail. Report when libelf.so is not found. * include/abg-comparison.h: (diff_context::show_architecture_change): Declare new accessors. (corpus_diff::architecture_changed): Declare new method. * include/abg-corpus.h (corpus::{get,set}_architecture_name): Declare new accessors. * src/abg-comparison.cc (diff_context::priv::show_architecture_change_): New data member. (diff_context::priv::priv): Initialize it. (diff_context::show_architecture_change): Define new accessors. (function_decl_diff::report): Report when the size/alignment of the function address changes. (corpus_diff::priv::architectures_equal_): New data member. (corpus_diff::priv::priv): Initialize it. (corpus_diff::priv::emit_diff_stats): Take in account changes of architecture. (corpus_diff::architecture_changed): Define new method. (corpus_diff::length): Take in account changes of architecture. (corpus_diff::report): Report about changes of architecture. (compute_diff): In the overload for corpus_diff_sptr, detect changes fo architecture. * src/abg-corpus.cc (corpus_priv::architecture_name): Define new data member. (corpus::{get,set}_architecture_name): Define new method. * src/abg-dwarf-reader.cc: Include elfutils/libebl.h to use ebl_openbackend() and ebl_backend_name() (read_context::elf_architecture_): Define new data member. (read_context::elf_architecture): Define new accessor. (read_context::{load_elf_architecture, load_remaining_elf_data}): Define new methods. (read_corpus_from_elf): Use ctxt.load_remaining_elf_data() in lieu of ctxt.load_dt_soname_and_needed. Stick the architecture into the corpus. * src/abg-reader.cc (read_corpus_from_input): Read the 'architecture' XML property. * src/abg-writer.cc (write_corpus_to_native_xml): Write the 'architecture' XML property. * tests/data/test-diff-dwarf/libtest-23-diff-arch-v0-32.so: New test input file. * tests/data/test-diff-dwarf/libtest-23-diff-arch-v0-64.so: Likewise. * tests/data/test-diff-dwarf/test-23-diff-arch-report-0.txt: Likewise. * tests/data/test-diff-dwarf/test-23-diff-arch-v0.cc: Source code for the binary test input files above. * tests/data/Makefile.am: Add the new test input files to the source distribution. * tests/test-diff-dwarf.cc (in_out_specs): Add the new test input data to the set of input data to run this test harness over. * tests/test-read-dwarf.cc (main): Do not take the architecture in account during comparisons. Signed-off-by: Dodji Seketeli <dodji@redhat.com>
2015-01-07 12:45:53 +00:00
dnl Check for dependency: libelf, libdw, libebl (elfutils)
ELF_LIBS=
AC_CHECK_LIB([elf], [elf_end], [ELF_LIBS="-lelf"])
AC_CHECK_HEADER([libelf.h],
[],
[AC_MSG_ERROR([could not find libelf.h])])
DW_LIBS=
AC_CHECK_LIB(dw, dwfl_begin, [DW_LIBS=-ldw])
AC_CHECK_HEADER(elfutils/libdwfl.h,
[],
[AC_MSG_ERROR([could not find elfutils/libdwfl.h installed])])
Detect and report changes in ELF architecture Libabigail does not take in account the architecture of the ELF file it reads. This patch changes that to represent the ELF architecture as a string, detect when that architecture changes accross two corpora being compared and emit a report about that change. * configure.ac: Detect the presence of libebl.a and add it to the list of library we depend on to build libabigail. Report when libelf.so is not found. * include/abg-comparison.h: (diff_context::show_architecture_change): Declare new accessors. (corpus_diff::architecture_changed): Declare new method. * include/abg-corpus.h (corpus::{get,set}_architecture_name): Declare new accessors. * src/abg-comparison.cc (diff_context::priv::show_architecture_change_): New data member. (diff_context::priv::priv): Initialize it. (diff_context::show_architecture_change): Define new accessors. (function_decl_diff::report): Report when the size/alignment of the function address changes. (corpus_diff::priv::architectures_equal_): New data member. (corpus_diff::priv::priv): Initialize it. (corpus_diff::priv::emit_diff_stats): Take in account changes of architecture. (corpus_diff::architecture_changed): Define new method. (corpus_diff::length): Take in account changes of architecture. (corpus_diff::report): Report about changes of architecture. (compute_diff): In the overload for corpus_diff_sptr, detect changes fo architecture. * src/abg-corpus.cc (corpus_priv::architecture_name): Define new data member. (corpus::{get,set}_architecture_name): Define new method. * src/abg-dwarf-reader.cc: Include elfutils/libebl.h to use ebl_openbackend() and ebl_backend_name() (read_context::elf_architecture_): Define new data member. (read_context::elf_architecture): Define new accessor. (read_context::{load_elf_architecture, load_remaining_elf_data}): Define new methods. (read_corpus_from_elf): Use ctxt.load_remaining_elf_data() in lieu of ctxt.load_dt_soname_and_needed. Stick the architecture into the corpus. * src/abg-reader.cc (read_corpus_from_input): Read the 'architecture' XML property. * src/abg-writer.cc (write_corpus_to_native_xml): Write the 'architecture' XML property. * tests/data/test-diff-dwarf/libtest-23-diff-arch-v0-32.so: New test input file. * tests/data/test-diff-dwarf/libtest-23-diff-arch-v0-64.so: Likewise. * tests/data/test-diff-dwarf/test-23-diff-arch-report-0.txt: Likewise. * tests/data/test-diff-dwarf/test-23-diff-arch-v0.cc: Source code for the binary test input files above. * tests/data/Makefile.am: Add the new test input files to the source distribution. * tests/test-diff-dwarf.cc (in_out_specs): Add the new test input data to the set of input data to run this test harness over. * tests/test-read-dwarf.cc (main): Do not take the architecture in account during comparisons. Signed-off-by: Dodji Seketeli <dodji@redhat.com>
2015-01-07 12:45:53 +00:00
if test x$ELF_LIBS = x; then
AC_MSG_ERROR([could not find elfutils elf library installed])
fi
if test x$DW_LIBS = x; then
AC_MSG_ERROR([could not find elfutils dwarf library installed])
fi
AC_SUBST(DW_LIBS)
AC_SUBST([ELF_LIBS])
dnl Check for dependency: libxml
LIBXML2_VERSION=2.6.22
PKG_CHECK_MODULES(XML, libxml-2.0 >= $LIBXML2_VERSION)
AC_SUBST(LIBXML2_VERSION)
AC_SUBST(XML_LIBS)
AC_SUBST(XML_CFLAGS)
Initial writing/reading of an ABI corpus to an archive * configure.ac: Support detection of libzip dependency. Define new DEPS_CFLAGS and DEPS_LIBS variables for use in Makefile.am to refer to the dependency headers and libraries. * doc/website/mainpage.txt: Update this to talk about the new libzip dependency. * include/Makefile.am: Add abg-libzip-utils.h to the build system. * include/abg-corpus.h (corps): Hide abigail::corpus's private behind a pimpl idiom. (corpus::{drop_translation_units, get_file_path, set_file_path, write, read}): New methods. * include/abg-libxml-utils.h (new_reader_from_buffer): Declare new function. * include/abg-libzip-utils.h: New file. * src/Makefile.am: Add abg-corpus.cc and abg-libzip-utils.cc to the build system. Refer to the library and headers dependencies via the new DEPS_LIBS and DEPS_CFLAGS variables. * src/abg-corpus.cc: New file. * src/abg-ir.cc (translation::set_path): New method. * src/abg-libxml-utils.cc (new_reader_from_buffer): Define new function. * src/abg-libzip-utils.cc: New file. * src/abg-reader.cc (translation_unit::read): New overload. * src/abg-writer.cc: Inject the names from the std namespace into the abigail namespace, rather than into abigail::writer. (abigail::translation_unit::write): New overload. This can now use ofstream and the other stuff from std that are injected in the abigail:: namespace. * tests/Makefile.am: Add tests/test-write-read-archive.cc to the build system; use that to build runtestwritereadarchive. Also add the input test data from tests/data/test-write-read-archive/test[0-4].xml. * /tests/data/test-write-read-archive/test[0-4].xml: New test input data files. * tests/test-write-read-archive.cc: New test for this archive write/read support. Signed-off-by: Dodji Seketeli <dodji@redhat.com>
2013-08-27 13:18:59 +00:00
dnl Check for dependency: libzip
LIBZIP_VERSION=0.10
HAS_LIBZIP=no
# The below doesn't seem to work on my box for a reason. Let's write
# the damn thing by hand:
# PKG_CHECK_EXISTS([libzip >= $LIBZIP_VERSION], [HAS_LIBZIP=yes], [HAS_LIBZIP=no])
if $PKG_CONFIG --exists --print-errors "libzip >= $LIBZIP_VERSION"; then
AC_MSG_NOTICE(found libzip version $LIBZIP_VERSION)
HAS_LIBZIP=yes
else
AC_MSG_NOTICE(no libzip >= $LIBZIP_VERSION has been found)
HAS_LIBZIP=no
fi
if test x$ENABLE_ZIP_ARCHIVE = xauto; then
if test x$HAS_LIBZIP = xyes; then
ENABLE_ZIP_ARCHIVE=yes;
else
ENABLE_ZIP_ARCHIVE=no
fi
fi
if test x$ENABLE_ZIP_ARCHIVE = xyes; then
AC_MSG_NOTICE(the zip-archive feature is enabled)
else
AC_MSG_NOTICE(the zip-archive feature is disabled)
fi
FOUND_LIBZIP=no
if test x$ENABLE_ZIP_ARCHIVE = xyes; then
PKG_CHECK_MODULES(LIBZIP, libzip >= $LIBZIP_VERSION)
FOUND_LIBZIP=yes
AC_SUBST(LIBZIP_VERSION)
AC_SUBST(LIBZIP_LIBS)
AC_SUBST(LIBZIP_CFLAGS)
AC_DEFINE([WITH_ZIP_ARCHIVE], 1, [compile the zip archive support])
AC_DEFINE([HAVE_LIBZIP], 1, [Defined to 1 if the libzip library is available])
fi
Initial writing/reading of an ABI corpus to an archive * configure.ac: Support detection of libzip dependency. Define new DEPS_CFLAGS and DEPS_LIBS variables for use in Makefile.am to refer to the dependency headers and libraries. * doc/website/mainpage.txt: Update this to talk about the new libzip dependency. * include/Makefile.am: Add abg-libzip-utils.h to the build system. * include/abg-corpus.h (corps): Hide abigail::corpus's private behind a pimpl idiom. (corpus::{drop_translation_units, get_file_path, set_file_path, write, read}): New methods. * include/abg-libxml-utils.h (new_reader_from_buffer): Declare new function. * include/abg-libzip-utils.h: New file. * src/Makefile.am: Add abg-corpus.cc and abg-libzip-utils.cc to the build system. Refer to the library and headers dependencies via the new DEPS_LIBS and DEPS_CFLAGS variables. * src/abg-corpus.cc: New file. * src/abg-ir.cc (translation::set_path): New method. * src/abg-libxml-utils.cc (new_reader_from_buffer): Define new function. * src/abg-libzip-utils.cc: New file. * src/abg-reader.cc (translation_unit::read): New overload. * src/abg-writer.cc: Inject the names from the std namespace into the abigail namespace, rather than into abigail::writer. (abigail::translation_unit::write): New overload. This can now use ofstream and the other stuff from std that are injected in the abigail:: namespace. * tests/Makefile.am: Add tests/test-write-read-archive.cc to the build system; use that to build runtestwritereadarchive. Also add the input test data from tests/data/test-write-read-archive/test[0-4].xml. * /tests/data/test-write-read-archive/test[0-4].xml: New test input data files. * tests/test-write-read-archive.cc: New test for this archive write/read support. Signed-off-by: Dodji Seketeli <dodji@redhat.com>
2013-08-27 13:18:59 +00:00
AM_CONDITIONAL(ENABLE_ZIP_ARCHIVE, test x$ENABLE_ZIP_ARCHIVE = xyes)
Initial writing/reading of an ABI corpus to an archive * configure.ac: Support detection of libzip dependency. Define new DEPS_CFLAGS and DEPS_LIBS variables for use in Makefile.am to refer to the dependency headers and libraries. * doc/website/mainpage.txt: Update this to talk about the new libzip dependency. * include/Makefile.am: Add abg-libzip-utils.h to the build system. * include/abg-corpus.h (corps): Hide abigail::corpus's private behind a pimpl idiom. (corpus::{drop_translation_units, get_file_path, set_file_path, write, read}): New methods. * include/abg-libxml-utils.h (new_reader_from_buffer): Declare new function. * include/abg-libzip-utils.h: New file. * src/Makefile.am: Add abg-corpus.cc and abg-libzip-utils.cc to the build system. Refer to the library and headers dependencies via the new DEPS_LIBS and DEPS_CFLAGS variables. * src/abg-corpus.cc: New file. * src/abg-ir.cc (translation::set_path): New method. * src/abg-libxml-utils.cc (new_reader_from_buffer): Define new function. * src/abg-libzip-utils.cc: New file. * src/abg-reader.cc (translation_unit::read): New overload. * src/abg-writer.cc: Inject the names from the std namespace into the abigail namespace, rather than into abigail::writer. (abigail::translation_unit::write): New overload. This can now use ofstream and the other stuff from std that are injected in the abigail:: namespace. * tests/Makefile.am: Add tests/test-write-read-archive.cc to the build system; use that to build runtestwritereadarchive. Also add the input test data from tests/data/test-write-read-archive/test[0-4].xml. * /tests/data/test-write-read-archive/test[0-4].xml: New test input data files. * tests/test-write-read-archive.cc: New test for this archive write/read support. Signed-off-by: Dodji Seketeli <dodji@redhat.com>
2013-08-27 13:18:59 +00:00
DEPS_CPPFLAGS="$XML_CFLAGS $LIBZIP_CFLAGS"
AC_SUBST(DEPS_CPPFLAGS)
Make the use of a C++-11 compiler optional * configure.ac: Define a new --enable-cxx11 switch to control the use of the C++-11 compiler. Define a WITH_CXX11 C macro and an automake ENABLE_CXX11 variable. * config.h.in: Initialize the new WITH_CXX11 C macro. * src/Makefile.am: Include the files coded in C++-11 only if the ENABLE_CXX11 automake variable is defined. * tests/Makefile.am: Likewise, build the runtestsvg test program only if C++-11 usage is enabled. * include/abg-diff-utils.h (class d_path_vec): Remove useless usage of the 'typename' keyword. * include/abg-fwd.h (is_enum_type): Renamed is_enum into this, because of a name clash with a tr1 function when not using C++-11. (is_pointer_type): Likewise, renamed is_pointer into this because of a name clash with a tr1 function when not using C++-11. * src/abg-comp-filter.cc (has_harmless_name_change): Adjust for the is_enum -> is_enum_type change. * src/abg-comparison.cc (type_suppression::suppresses_diff): Likewise. (class function_suppression::priv): Add a missing "class" keyword in friend declaration. (diff_context::diff_has_been_traversed) (diff_context::mark_diff_as_traversed): Do not use the C++-11 specific type uintptr_t. * src/abg-dwarf-reader.cc (create_default_dwfl): Do not use designated initializers. Sigh. This is handy though. (expr_result::abs): Cast the argument of std::abs to avoid ambiguous call. (finish_member_function_reading): Adjust for the is_pointer -> is_pointer_type renaming. * src/abg-hash.cc (scope_decl::hash::operator) (class_decl::base_spec::hash::operator) (type_composition::hash::operator): Use std::tr1::hash string, rather than the C++-11 specific std::hash function. * src/abg-ini.cc (read_sections, write_sections): Make std::ifstream constructor take a const char* rather than a string. * src/abg-ir.cc (is_enum_type, is_pointer_type): Renamed is_enum into is_enum_type and is_pointer into is_pointer_type. * src/abg-writer.cc (write_translation_unit): Remove useless typename keyword. Make ofstream take a const char* rather than a string. (write_namespace_decl): Remove useless typename keyword. (write_corpus_to_native_xml_file): Make ofstream take a const char* rather than a string. * tests/test-abidiff.cc (main): Make ofstream take a const char* rather than a string. * tests/test-diff-dwarf.cc (main): Likewise. Signed-off-by: Dodji Seketeli <dodji@redhat.com>
2014-11-05 09:08:33 +00:00
dnl Handle conditional use of a C++11 compiler
if test x$ENABLE_CXX11 = xyes; then
AC_DEFINE([WITH_CXX11], 1, [Defined to 1 if a C++11 compiler is used])
fi
AM_CONDITIONAL(ENABLE_CXX11, test x$ENABLE_CXX11 = xyes)
dnl Check for the presence of doxygen program
if test x$ENABLE_APIDOC != xno; then
AC_CHECK_PROG(FOUND_DOXYGEN, doxygen, yes, no)
if test x$ENABLE_APIDOC = xauto; then
if test x$FOUND_DOXYGEN = xyes; then
ENABLE_APIDOC=yes
else
ENABLE_APIDOC=no
fi
fi
fi
AM_CONDITIONAL(ENABLE_APIDOC, test x$ENABLE_APIDOC = xyes)
dnl Check for the presence of the sphinx-build program
if test x$ENABLE_MANUAL != xno; then
AC_CHECK_PROG(FOUND_SPHINX_BUILD, sphinx-build, yes, no)
if test x$ENABLE_MANUAL = xauto; then
if test x$FOUND_SPHINX_BUILD = xyes; then
ENABLE_MANUAL=yes
else
ENABLE_MANUAL=no
fi
fi
fi
AM_CONDITIONAL(ENABLE_MANUAL, test x$ENABLE_MANUAL = xyes)
dnl Set the list of libraries libabigail depends on
DEPS_LIBS="$XML_LIBS $LIBZIP_LIBS $ELF_LIBS $DW_LIBS"
Initial writing/reading of an ABI corpus to an archive * configure.ac: Support detection of libzip dependency. Define new DEPS_CFLAGS and DEPS_LIBS variables for use in Makefile.am to refer to the dependency headers and libraries. * doc/website/mainpage.txt: Update this to talk about the new libzip dependency. * include/Makefile.am: Add abg-libzip-utils.h to the build system. * include/abg-corpus.h (corps): Hide abigail::corpus's private behind a pimpl idiom. (corpus::{drop_translation_units, get_file_path, set_file_path, write, read}): New methods. * include/abg-libxml-utils.h (new_reader_from_buffer): Declare new function. * include/abg-libzip-utils.h: New file. * src/Makefile.am: Add abg-corpus.cc and abg-libzip-utils.cc to the build system. Refer to the library and headers dependencies via the new DEPS_LIBS and DEPS_CFLAGS variables. * src/abg-corpus.cc: New file. * src/abg-ir.cc (translation::set_path): New method. * src/abg-libxml-utils.cc (new_reader_from_buffer): Define new function. * src/abg-libzip-utils.cc: New file. * src/abg-reader.cc (translation_unit::read): New overload. * src/abg-writer.cc: Inject the names from the std namespace into the abigail namespace, rather than into abigail::writer. (abigail::translation_unit::write): New overload. This can now use ofstream and the other stuff from std that are injected in the abigail:: namespace. * tests/Makefile.am: Add tests/test-write-read-archive.cc to the build system; use that to build runtestwritereadarchive. Also add the input test data from tests/data/test-write-read-archive/test[0-4].xml. * /tests/data/test-write-read-archive/test[0-4].xml: New test input data files. * tests/test-write-read-archive.cc: New test for this archive write/read support. Signed-off-by: Dodji Seketeli <dodji@redhat.com>
2013-08-27 13:18:59 +00:00
AC_SUBST(DEPS_LIBS)
if test x$ABIGAIL_DEVEL != x; then
CFLAGS="-g -Wall -Wextra -Werror"
CXXFLAGS="-g -Wall -Wextra -Werror"
fi
HAS_EM_AARCH64=no
AC_CHECK_DECL([EM_AARCH64],
[HAS_EM_AARCH64=yes],
[HAS_EM_AARCH64=no],
[[#include <elf.h>]])
if test x$HAS_EM_AARCH64 = xyes; then
AC_DEFINE([HAVE_EM_AARCH64_MACRO],
1,
[Defined to 1 if elf.h has EM_AARCH64 macro defined])
fi
HAS_EM_TILEPRO=no
AC_CHECK_DECL([EM_TILEPRO],
[HAS_EM_TILEPRO=yes],
[HAS_EM_TILEPRO=no],
[[#include <elf.h>]])
if test x$HAS_EM_TILEPRO = xyes; then
AC_DEFINE([HAVE_EM_TILEPRO_MACRO],
1,
[Defined to 1 if elf.h has EM_TILEPR0 macro defined])
fi
HAS_EM_TILEGX=no
AC_CHECK_DECL([EM_TILEGX],
[HAS_EM_TILEGX=yes],
[HAS_EM_TILEGX=no],
[[#include <elf.h>]])
if test x$HAS_EM_TILEGX = xyes; then
AC_DEFINE([HAVE_EM_TILEGX_MACRO],
1,
[Defined to 1 if elf.h has EM_TILEGX macro defined])
fi
AC_CONFIG_FILES([Makefile
libabigail.pc
include/Makefile
include/abg-version.h
doc/Makefile
doc/manuals/Makefile
src/Makefile
tools/Makefile
tests/Makefile
tests/data/Makefile])
Canonicalize types either early or late after TU reading While trying to diff two identical files (abidiff foo.so foo.so) it appeared that canonicalizing types during e.g, the DWARF reading process was leading to subtle errors because it's extremely hard to know when a type is complete. That is, during the building of a class type C, a pointer to C can be built before C is complete. Worse, even after reading the DIE (from DWARF) of class C, there can be DIE seen later in the translation unit that modifies type C. In these late cases, one needs to wait -- not only until C is fully built, but also sometimes, after the translation unit is fully built -- to canonicalize C and then the pointer to C. This kind of things. So now there are two possible points in time when canonicalization of a type can happen. It can happen early, when the type is built. This is the case for basic types and composite types for which all sub-types are canonicalized already. It can happen late, right after we've finished reading the debug info for the current translation unit. So this patch fixes the IR traversal and uses that to walk the translation unit (or even types) after it's built. It does away with the first attempt to perform early canonicalizing only. The patch also handles type canonicalizing while reading xml-abi format. * include/abg-fwd.h (is_class_type) (type_has_non_canonicalized_subtype): Declare new functions. (is_member_type): Remove the overload that takes a decl_base_sptr. It's superfluous. We just need the one that takes a type_base_sptr. * include/abg-ir.h (translation_unit::{is_constructed, set_is_constructed}): Add new methods. (class_decl::has_virtual_member_functions): Likewise. (class decl_base): Makes it virtually inherit ir_traversable_base. (class type_base): Make this virtually inherit traversable_base too. (type_base::canonicalize): Renamed enable_canonical_equality into this. (type_base::traverse): Declare new virtual method. (canonicalize): Renamed enable_canonical_equality into this. (scope_type_decl::traverse): Declare new virtual method. (namespace_decl::get_pretty_representation): Declare new virtual method. (function_type::traverse): Likewise. (class_decl::base_spec::traverse): Likewise. (ir_node_visitor::visit): Remove the overloads and replace each of them with a pair of ... (ir_node_visitor::{visit_begin, visit_end}): ... of these. * include/abg-traverse.h (traversable_base::visiting): New method. (traversable_base::visiting_): New data member. (traversable_base::traversable_base): New constructor. * src/abg-ir.cc ({scope_decl, type_decl, namespace_decl, qualified_type_def, pointer_type_def, reference_type_def, array_type_def, enum_type_decl, typedef_decl, var_decl, function_decl, function_decl::parameter, class_decl, class_decl::member_function_template, class_decl::member_class_template, function_tdecl, class_tdecl}::traverse): Fix this to properly set the traversable_base::visiting_ flag and to reflect the new signatures of the ir_node_visitor methods. ({type_base, scope_type_decl, function_type, class_decl::base_spec}::traverse): New method. (type_base::get_canonical_type_for): Handle the case of the type already having a canonical type. Properly hash the type using the dynamic type hasher. Look through declaration-only classes to consider the definition of the class instead. Fix logic to have a single pointer of return, to ease debugging. (canonicalize): Renamed enable_canonical_equality into this. (namespace_decl::get_pretty_representation): Define new method. (ir_node_visitor::visit): Replace each of these overloads with a pair of visit_begin/visit_end ones. (translation_unit::priv::is_constructed_): New data member. (translation_unit::priv::priv): Initialize it. (translation_unit::{is_constructed, set_is_constructed}): Define new methods. (is_member_type(const decl_base_sptr)): Remove. (is_class_type(decl_base *d)): Define new function. (class_decl::has_virtual_member_functions): Define new method. (equals(const class_decl&, const class_decl&, change_kind*)): If the containing translation unit is not constructed yet, do not take virtual member functions in account when comparing the classes. This is because when reading from DWARF, there can be DIEs that change the number of virtual member functions after the DIE of the class. So one needs to start taking virtual members into account only after the translation unit has been constructed. (class non_canonicalized_subtype_detector): Define new type. (type_has_non_canonicalized_subtype): Define new function. * src/abg-corpus.cc (symtab_build_visitor_type::visit): Renamed this into symtab_build_visitor_type::visit_end. * src/abg-dwarf-reader.cc (die_type_map_type): New typedef. (die_class_map_type): This is now a typedef on a map of Dwarf_Off/class_decl_sptr. (read_context::{die_type_map_, alternate_die_type_map_, types_to_canonicalize_, alt_types_to_canonicalize_}): New data members. (read_context::{associate_die_to_decl, associate_die_to_decl_primary}): Make these methods public. (read_context::{associate_die_to_type, lookup_type_from_die_offset, is_wip_class_die_offset, types_to_canonicalize, schedule_type_for_canonicalization}): Define new methods. (build_type_decl, build_enum_type) (build_class_type_and_add_to_ir, build_qualified_type) (build_pointer_type_def, build_reference_type, build_array_type) (build_typedef_type, build_function_decl): Do not canonicalize types here. (maybe_canonicalize_type): Define new function. (build_ir_node_from_die): Take a new flag that says if the ir node is a member type/function or not. Early-canonicalize base types. Canonicalize composite types that have only canonicalized sub-types. Schedule the other types for late canonicalizing. For class types, early canonicalize those that are non-member types, that are fully constructed and that have only canonicalized sub-types. Adjust to the new signature of build_ir_node_from_die. (get_scope_for_die, build_namespace_decl_and_add_to_ir) (build_qualified_type, build_pointer_type_def) (build_reference_type, build_array_type, build_typedef_type) (build_var_decl, build_function_decl): Adjust for the new signature of build_ir_node_from_die. (build_translation_unit_and_add_to_ir): Likewise. Perform the late canonicalizing of the types that have been scheduled for that. (build_class_type_and_add_to_ir): Return a class_decl_sptr, not a decl_base_sptr. Adjust for the new signature of build_ir_node_from_die. Early canonicalize member types that are created and added to a given class, or schedule them for late canonicalizing. * src/abg-reader.cc (class read_context::{m_wip_classes_map, m_types_to_canonicalize}): New data members. (read_context::{clear_types_to_canonicalize, clear_wip_classes_map, mark_class_as_wip, unmark_class_as_wip, is_wip_class, maybe_canonicalize_type, schedule_type_for_late_canonicalizing, perform_late_type_canonicalizing}): Add new method definitions. (read_context::clear_per_translation_unit_data): Call read_context::clear_types_to_canonicalize(). (read_translation_unit_from_input): Call read_context::perform_late_type_canonicalizing() at the end of the function. (build_function_decl): Fix the function type canonicalizing (per translation) that was already in place. Do the canonicalizing of these only when the type is fully built. Oops. This was really brokend. Also, when the function type is constructed, consider it for type canonicalizing. (build_type_decl): Early canonicalize basic types. (build_qualified_type_decl, build_pointer_type_def) (build_pointer_type_def, build_reference_type_def) (build_array_type_def, build_enum_type_decl, build_typedef_decl): Handle the canonicalizing for these composite types: either early or late. (build_class_decl): Likewise. Also, mark this class a 'being built' until it's fully built. This helps the canonicalizing code to know that it should leave a class alone until it's fully built. * tests/test-ir-walker.cc (struct name_printing_visitor): Adjust to the visitor methods naming change. * configure.ac: Generate the tests/runtestcanonicalizetypes.sh testing script from tests/runtestcanonicalizetypes.sh.in. * tests/runtestcanonicalizetypes.sh.in: Add the template for the new runtestcanonicalizetypes.sh script that test for type canonicalizing. * tests/Makefile.am: Add the new runtestcanonicalizetypes.sh regression testing script to the build system. Signed-off-by: Dodji Seketeli <dodji@redhat.com>
2015-02-13 19:20:57 +00:00
dnl Some test scripts are generated by autofoo.
AC_CONFIG_FILES([tests/runtestcanonicalizetypes.sh], [chmod +x tests/runtestcanonicalizetypes.sh])
AC_OUTPUT
AC_MSG_NOTICE([
=====================================================================
Libabigail: $VERSION_MAJOR.$VERSION_MINOR.$VERSION_REVISION
=====================================================================
Here is the configuration of the package:
Prefix : ${prefix}
Source code location : ${srcdir}
C Compiler : ${CC}
C++ Compiler : ${CXX}
OPTIONAL FEATURES:
Enable zip archives : ${ENABLE_ZIP_ARCHIVE}
Use a C++-11 compiler : ${ENABLE_CXX11}
Generate html apidoc : ${ENABLE_APIDOC}
Generate html manual : ${ENABLE_MANUAL}
])