fi
fi
+dnl Quit if it is an in-source build
+if test ${srcdir} == "." ; then
+ AC_MSG_WARN([**************************************************************************************])
+ AC_MSG_WARN([* *])
+ AC_MSG_WARN([* WARNING *])
+ AC_MSG_WARN([* *])
+ AC_MSG_WARN([* In-source builds are deprecated. *])
+ AC_MSG_WARN([* *])
+ AC_MSG_WARN([* Please configure from a separate build directory! *])
+ AC_MSG_WARN([* *])
+ AC_MSG_WARN([**************************************************************************************])
+fi
+
dnl Default to empty (i.e. assigning the null string to) CFLAGS and CXXFLAGS,
dnl instead of the autoconf default (for example, '-g -O2' for CC=gcc).
: ${CFLAGS=}
],
[
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_MSG_ERROR([Selected compiler could not find or parse C++ standard library headers. Rerun with CC=c-compiler CXX=c++-compiler LLVM_SRC_DIR/configure ...])
])
AC_LANG_POP([C++])
fi
--enable-assertions,[Compile with assertion checks enabled (default is YES)]),, enableval="yes")
if test ${enableval} = "yes" ; then
AC_SUBST(DISABLE_ASSERTIONS,[[]])
+ assertions_enabled="yes"
else
AC_SUBST(DISABLE_ASSERTIONS,[[DISABLE_ASSERTIONS=1]])
+ assertions_enabled="no"
fi
dnl --enable-werror : check whether we want Werror on by default
AC_SUBST(EXPENSIVE_CHECKS,[[no]])
fi
+dnl --enable-abi-breaking-checks : decide whether we should compile in asserts and
+dnl checks that make the build ABI incompatible with an llvm built without these
+dnl checks enabled.
+AC_ARG_ENABLE(abi-breaking-checks,AS_HELP_STRING(
+ --enable-abi-breaking-checks,[Compile with abi-breaking asserts support (default is with-asserts)]),, enableval="with-asserts")
+case "$enableval" in
+ with-asserts) if test ${assertions_enabled} = "yes" ; then
+ AC_DEFINE([LLVM_ENABLE_ABI_BREAKING_CHECKS],[1],[Define to enable checks that alter the LLVM C++ ABI])
+ AC_SUBST(ENABLE_ABI_BREAKING_CHECKS,[1])
+ else
+ AC_SUBST(ENABLE_ABI_BREAKING_CHECKS,[0])
+ fi ;;
+ yes)
+ AC_DEFINE([LLVM_ENABLE_ABI_BREAKING_CHECKS],[1],[Define to enable checks that alter the LLVM C++ ABI])
+ AC_SUBST(ENABLE_ABI_BREAKING_CHECKS,[1])
+ ;;
+ no)
+ AC_SUBST(ENABLE_ABI_BREAKING_CHECKS,[0])
+ ;;
+ *) AC_MSG_ERROR([Invalid setting for --enable-abi-breaking-checks. Use "with-asserts", "yes" or "no"])
+esac
+
dnl --enable-debug-runtime : should runtime libraries have debug symbols?
AC_ARG_ENABLE(debug-runtime,
AS_HELP_STRING(--enable-debug-runtime,[Build runtime libs with debug symbols (default is NO)]),,enableval=no)
AC_DEFINE_UNQUOTED(DEFAULT_SYSROOT,"$withval",
[Default <path> to all compiler invocations for --sysroot=<path>.])
+AC_ARG_WITH(clang-default-openmp-runtime,
+ AS_HELP_STRING([--with-clang-default-openmp-runtime],
+ [The default OpenMP runtime for Clang.]),,
+ withval="")
+AC_DEFINE_UNQUOTED(CLANG_DEFAULT_OPENMP_RUNTIME,"$withval",
+ [Default OpenMP runtime used by -fopenmp.])
+
dnl Allow linking of LLVM with GPLv3 binutils code.
AC_ARG_WITH(binutils-include,
AS_HELP_STRING([--with-binutils-include],