fi
dnl Quit if it is an in-source build
-if test ${srcdir} == "." ; then
+if test ${srcdir} = "." ; then
AC_MSG_ERROR([In-source builds are not allowed. Please configure from a separate build directory!])
fi
llvm_cv_cxx_compiler=gcc, [])])
AC_LANG_POP([C++])
AC_MSG_RESULT([${llvm_cv_cxx_compiler}])
+AC_SUBST(CXX_COMPILER,$llvm_cv_cxx_compiler)
dnl Configure all of the projects present in our source tree. While we could
dnl just AC_CONFIG_SUBDIRS on the set of directories in projects that have a
arm64*-*) llvm_cv_target_arch="AArch64" ;;
arm*-*) llvm_cv_target_arch="ARM" ;;
aarch64*-*) llvm_cv_target_arch="AArch64" ;;
+ avr-*) llvm_cv_target_arch="AVR" ;;
mips-* | mips64-*) llvm_cv_target_arch="Mips" ;;
mipsel-* | mips64el-*) llvm_cv_target_arch="Mips" ;;
xcore-*) llvm_cv_target_arch="XCore" ;;
arm64*-*) host_arch="AArch64" ;;
arm*-*) host_arch="ARM" ;;
aarch64*-*) host_arch="AArch64" ;;
+ avr-*) host_arch="AVR" ;;
mips-* | mips64-*) host_arch="Mips" ;;
mipsel-* | mips64el-*) host_arch="Mips" ;;
xcore-*) host_arch="XCore" ;;
PowerPC) AC_SUBST(TARGET_HAS_JIT,1) ;;
x86_64) AC_SUBST(TARGET_HAS_JIT,1) ;;
ARM) AC_SUBST(TARGET_HAS_JIT,1) ;;
+ AVR) AC_SUBST(TARGET_HAS_JIT,0) ;;
Mips) AC_SUBST(TARGET_HAS_JIT,1) ;;
XCore) AC_SUBST(TARGET_HAS_JIT,0) ;;
MSP430) AC_SUBST(TARGET_HAS_JIT,0) ;;
AC_ARG_WITH(clang-default-openmp-runtime,
AS_HELP_STRING([--with-clang-default-openmp-runtime],
[The default OpenMP runtime for Clang.]),,
- withval="libgomp")
+ withval="libomp")
AC_DEFINE_UNQUOTED(CLANG_DEFAULT_OPENMP_RUNTIME,"$withval",
[Default OpenMP runtime used by -fopenmp.])
dnl Check optional compiler flags.
AC_MSG_CHECKING([optional compiler flags])
-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])
-
-dnl GCC's potential uninitialized use analysis is weak and presents lots of
-dnl false positives, so disable it.
-NO_UNINITIALIZED=
-NO_MAYBE_UNINITIALIZED=
-if test "$GXX" = "yes"
-then
- CXX_FLAG_CHECK(NO_MAYBE_UNINITIALIZED, [-Wno-maybe-uninitialized])
- dnl gcc 4.7 introduced -Wmaybe-uninitialized to distinguish cases which are
- dnl known to be uninitialized from cases which might be uninitialized. We
- dnl still want to catch the first kind of errors.
- if test -z "$NO_MAYBE_UNINITIALIZED"
- then
- CXX_FLAG_CHECK(NO_UNINITIALIZED, [-Wno-uninitialized])
- fi
-fi
+case "$llvm_cv_cxx_compiler" in
+ clang)
+ CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros])
+ CXX_FLAG_CHECK(MISSING_FIELD_INITIALIZERS, [-Wmissing-field-initializers])
+ CXX_FLAG_CHECK(COVERED_SWITCH_DEFAULT, [-Wcovered-switch-default])
+ ;;
+ gcc)
+ dnl If we're using gcc check for -Wno-missing-field-initializers as gcc will warn
+ dnl on plain open brace initializations. clang won't so use -Wmissing-field-initializers
+ dnl there.
+ CXX_FLAG_CHECK(MISSING_FIELD_INITIALIZERS, [-Wno-missing-field-initializers])
+ CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros])
+ CXX_FLAG_CHECK(COVERED_SWITCH_DEFAULT, [-Wcovered-switch-default])
+ CXX_FLAG_CHECK(NO_MAYBE_UNINITIALIZED, [-Wno-maybe-uninitialized])
+ dnl gcc 4.7 introduced -Wmaybe-uninitialized to distinguish cases which are
+ dnl known to be uninitialized from cases which might be uninitialized. We
+ dnl still want to catch the first kind of errors.
+ if test -z "$NO_MAYBE_UNINITIALIZED"
+ then
+ CXX_FLAG_CHECK(NO_UNINITIALIZED, [-Wno-uninitialized])
+ fi
+ ;;
+ unknown)
+ ;;
+esac
dnl Check for misbehaving -Wcomment (gcc-4.7 has this) and maybe add
dnl -Wno-comment to the flags.
AC_SUBST(NO_COMMENT, [$no_comment])
CXXFLAGS="$llvm_cv_old_cxxflags"
-AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS $COVERED_SWITCH_DEFAULT $NO_UNINITIALIZED $NO_MAYBE_UNINITIALIZED $NO_COMMENT])
+AC_MSG_RESULT([$NO_VARIADIC_MACROS $MISSING_FIELD_INITIALIZERS $COVERED_SWITCH_DEFAULT $NO_UNINITIALIZED $NO_MAYBE_UNINITIALIZED $NO_COMMENT])
AC_ARG_WITH([python],
[AS_HELP_STRING([--with-python], [path to python])],
AC_CHECK_LIB(m,sin)
if test "$llvm_cv_os_type" = "MingW" ; then
+ dnl mingw-gcc's driver doesn't imply -lole32 by default so we may need this
+ dnl when being built with gcc for bootstrapping purposes.
+ AC_CHECK_LIB(ole32, main)
AC_CHECK_LIB(psapi, main)
AC_CHECK_LIB(shell32, main)
+ AC_CHECK_LIB(uuid,main)
fi
dnl dlopen() is required for plugin support.
dnl Finally, crank out the output
AC_OUTPUT
+echo ""
+echo ""
+echo "################################################################################"
+echo "################################################################################"
+echo "The LLVM project has deprecated building with configure & make."
+echo "The autoconf-based makefile build system will be removed in the 3.9 release."
+echo ""
+echo "Please migrate to the CMake-based build system."
+echo "For more information see: http://llvm.org/docs/CMake.html"
+echo "################################################################################"
+echo "################################################################################"