dnl===-----------------------------------------------------------------------===
dnl Initialize autoconf and define the package name, version number and
dnl address for reporting bugs.
-AC_INIT([LLVM],[3.2svn],[http://llvm.org/bugs/])
+AC_INIT([LLVM],[3.3svn],[http://llvm.org/bugs/])
AC_DEFINE([LLVM_VERSION_MAJOR], [3], [Major version of the LLVM API])
-AC_DEFINE([LLVM_VERSION_MINOR], [2], [Minor version of the LLVM API])
+AC_DEFINE([LLVM_VERSION_MINOR], [3], [Minor version of the LLVM API])
dnl Provide a copyright substitution and ensure the copyright notice is included
dnl in the output of --version option of the generated configure script.
-AC_SUBST(LLVM_COPYRIGHT,["Copyright (c) 2003-2012 University of Illinois at Urbana-Champaign."])
-AC_COPYRIGHT([Copyright (c) 2003-2012 University of Illinois at Urbana-Champaign.])
+AC_SUBST(LLVM_COPYRIGHT,["Copyright (c) 2003-2013 University of Illinois at Urbana-Champaign."])
+AC_COPYRIGHT([Copyright (c) 2003-2013 University of Illinois at Urbana-Champaign.])
dnl Indicate that we require autoconf 2.60 or later.
AC_PREREQ(2.60)
dnl Verify that the source directory is valid. This makes sure that we are
dnl configuring LLVM and not some other package (it validates --srcdir argument)
-AC_CONFIG_SRCDIR([lib/VMCore/Module.cpp])
+AC_CONFIG_SRCDIR([lib/IR/Module.cpp])
dnl Place all of the extra autoconf files into the config subdirectory. Tell
dnl various tools where the m4 autoconf macros are.
AC_PROG_CXX(clang++ llvm-g++ g++)
AC_PROG_CPP
+dnl If CXX is Clang, check that it can find and parse C++ standard library
+dnl headers.
+if test "$CXX" = "clang++" ; then
+ AC_MSG_CHECKING([whether clang works])
+ AC_LANG_PUSH([C++])
+ dnl Note that space between 'include' and '(' is required. There's a broken
+ dnl regex in aclocal that otherwise will think that we call m4's include
+ dnl builtin.
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <limits>
+#if __has_include (<cxxabi.h>)
+#include <cxxabi.h>
+#endif
+#if __has_include (<unwind.h>)
+#include <unwind.h>
+#endif
+]])],
+[
+ AC_MSG_RESULT([yes])
+],
+[
+ AC_MSG_RESULT([no])
+ AC_MSG_ERROR([Selected compiler could not find or parse C++ standard library headers. Rerun with CC=c-compiler CXX=c++-compiler ./configure ...])
+])
+ AC_LANG_POP([C++])
+fi
+
dnl Configure all of the projects present in our source tree. While we could
dnl just AC_CONFIG_SUBDIRS on the set of directories in projects that have a
dnl configure script, that usage of the AC_CONFIG_SUBDIRS macro is deprecated.
*) AC_MSG_ERROR([Invalid setting for --enable-cxx11. Use "yes" or "no"]) ;;
esac
+dnl --enable-clang-arcmt: check whether to enable clang arcmt
+clang_arcmt="yes"
+AC_ARG_ENABLE(clang-arcmt,
+ AS_HELP_STRING([--enable-clang-arcmt],
+ [Enable building of clang ARCMT (default is YES)]),
+ clang_arcmt="$enableval",
+ enableval="yes")
+case "$enableval" in
+ yes) AC_SUBST(ENABLE_CLANG_ARCMT,[1]) ;;
+ no) AC_SUBST(ENABLE_CLANG_ARCMT,[0]) ;;
+ default) AC_SUBST(ENABLE_CLANG_ARCMT,[1]);;
+ *) AC_MSG_ERROR([Invalid setting for --enable-clang-arcmt. Use "yes" or "no"]) ;;
+esac
+
+dnl --enable-clang-static-analyzer: check whether to enable static-analyzer
+clang_static_analyzer="yes"
+AC_ARG_ENABLE(clang-static-analyzer,
+ AS_HELP_STRING([--enable-clang-static-analyzer],
+ [Enable building of clang Static Analyzer (default is YES)]),
+ clang_static_analyzer="$enableval",
+ enableval="yes")
+case "$enableval" in
+ yes) AC_SUBST(ENABLE_CLANG_STATIC_ANALYZER,[1]) ;;
+ no) AC_SUBST(ENABLE_CLANG_STATIC_ANALYZER,[0]) ;;
+ default) AC_SUBST(ENABLE_CLANG_STATIC_ANALYZER,[1]);;
+ *) AC_MSG_ERROR([Invalid setting for --enable-clang-static-analyzer. Use "yes" or "no"]) ;;
+esac
+
+dnl --enable-clang-rewriter: check whether to enable clang rewriter
+AC_ARG_ENABLE(clang-rewriter,
+ AS_HELP_STRING([--enable-clang-rewriter],
+ [Enable building of clang rewriter (default is YES)]),,
+ enableval="yes")
+case "$enableval" in
+ yes) AC_SUBST(ENABLE_CLANG_REWRITER,[1]) ;;
+ no)
+ if test ${clang_arcmt} != "no" ; then
+ AC_MSG_ERROR([Cannot enable clang ARC Migration Tool while disabling rewriter.])
+ fi
+ if test ${clang_static_analyzer} != "no" ; then
+ AC_MSG_ERROR([Cannot enable clang static analyzer while disabling rewriter.])
+ fi
+ AC_SUBST(ENABLE_CLANG_REWRITER,[0])
+ ;;
+ default) AC_SUBST(ENABLE_CLANG_REWRITER,[1]);;
+ *) AC_MSG_ERROR([Invalid setting for --enable-clang-rewriter. Use "yes" or "no"]) ;;
+esac
+
dnl --enable-optimized : check whether they want to do an optimized build:
AC_ARG_ENABLE(optimized, AS_HELP_STRING(
--enable-optimized,[Compile with optimizations enabled (default is NO)]),,enableval=$optimize)
[Enable embedding backtraces on crash (default is YES)]),,
enableval=default)
case "$enableval" in
- yes) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
- no) AC_SUBST(ENABLE_TIMESTAMPS,[0]) ;;
- default) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
+ yes) AC_SUBST(ENABLE_BACKTRACES,[1]) ;;
+ no) AC_SUBST(ENABLE_BACKTRACES,[0]) ;;
+ default) AC_SUBST(ENABLE_BACKTRACES,[1]) ;;
*) AC_MSG_ERROR([Invalid setting for --enable-backtraces. Use "yes" or "no"]) ;;
esac
AC_DEFINE_UNQUOTED([ENABLE_BACKTRACES],$ENABLE_BACKTRACES,
CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros])
CXX_FLAG_CHECK(NO_MISSING_FIELD_INITIALIZERS, [-Wno-missing-field-initializers])
CXX_FLAG_CHECK(COVERED_SWITCH_DEFAULT, [-Wcovered-switch-default])
-AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS $COVERED_SWITCH_DEFAULT])
+dnl GCC's potential uninitialized use analysis is weak and presents lots of
+dnl false positives, so disable it.
+if test "$GXX" = "yes"
+then
+ CXX_FLAG_CHECK(NO_MAYBE_UNINITIALIZED, [-Wno-maybe-uninitialized])
+ dnl gcc 4.7 introduced -Wmaybe-uninitialized to distinguish cases which are
+ dnl known to be uninitialized from cases which might be uninitialized. We
+ dnl still want to catch the first kind of errors.
+ if test "$NO_MAYBE_UNINITIALIZED" != "-Wno-maybe-uninitialized"
+ then
+ CXX_FLAG_CHECK(NO_UNINITIALIZED, [-Wno-uninitialized])
+ else
+ dnl AC_SUBST doesn't work with empty strings.
+ NO_UNINITIALIZED=
+ fi
+else
+ NO_UNINITIALIZED=
+ NO_MAYBE_UNINITIALIZED=
+fi
+AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS $COVERED_SWITCH_DEFAULT $NO_UNINITIALIZED $NO_MAYBE_UNINITIALIZED])
+
dnl===-----------------------------------------------------------------------===
dnl===
[Define if dlopen() is available on this platform.]),
AC_MSG_WARN([dlopen() not found - disabling plugin support]))
+dnl Search for the clock_gettime() function. Note that we rely on the POSIX
+dnl macros to detect whether clock_gettime is available, this just finds the
+dnl right libraries to link with.
+AC_SEARCH_LIBS(clock_gettime,rt)
+
dnl libffi is optional; used to call external functions from the interpreter
if test "$llvm_cv_enable_libffi" = "yes" ; then
AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1],