AC_SUBST(LLVM_COPYRIGHT,["Copyright (c) 2003-2011 University of Illinois at Urbana-Champaign."])
AC_COPYRIGHT([Copyright (c) 2003-2011 University of Illinois at Urbana-Champaign.])
-dnl Indicate that we require autoconf 2.59 or later. Ths is needed because we
-dnl use some autoconf macros only available in 2.59.
-AC_PREREQ(2.59)
+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_DEFINE_UNQUOTED([ENABLE_CBE_PRINTF_A],$ENABLE_CBE_PRINTF_A,
[Define if CBE is enabled for printf %a output])
-dnl Allow a specific llvm-gcc/llvm-g++ pair to be used with this LLVM config.
-AC_ARG_WITH(llvmgccdir,
- AS_HELP_STRING([--with-llvmgccdir],
- [Specify location of llvm-gcc install dir (default searches PATH)]),,
- withval=default)
-case "$withval" in
- default) WITH_LLVMGCCDIR=default ;;
- /* | [[A-Za-z]]:[[\\/]]*) WITH_LLVMGCCDIR=$withval ;;
- *) AC_MSG_ERROR([Invalid path for --with-llvmgccdir. Provide full path]) ;;
-esac
-
-dnl Allow a specific llvm-gcc compiler to be used with this LLVM config.
-AC_ARG_WITH(llvmgcc,
- AS_HELP_STRING([--with-llvmgcc],
- [Specify location of llvm-gcc driver (default searches PATH)]),
- LLVMGCC=$with_llvmgcc
- WITH_LLVMGCCDIR="",)
-
-dnl Allow a specific llvm-g++ compiler to be used with this LLVM config.
-AC_ARG_WITH(llvmgxx,
- AS_HELP_STRING([--with-llvmgxx],
- [Specify location of llvm-g++ driver (default searches PATH)]),
- LLVMGXX=$with_llvmgxx
- WITH_LLVMGCCDIR="",)
-
-if test -n "$LLVMGCC"; then
- LLVMGCCCOMMAND="$LLVMGCC"
-fi
-
-if test -n "$LLVMGXX"; then
- LLVMGXXCOMMAND="$LLVMGXX"
-fi
-
-if test -n "$LLVMGCC" && test -z "$LLVMGXX"; then
- AC_MSG_ERROR([Invalid llvm-g++. Use --with-llvmgxx when --with-llvmgcc is used]);
-fi
-
-if test -n "$LLVMGXX" && test -z "$LLVMGCC"; then
- AC_MSG_ERROR([Invalid llvm-gcc. Use --with-llvmgcc when --with-llvmgxx is used]);
-fi
-
-dnl Allow a specific Clang compiler to be used with this LLVM config.
-AC_ARG_WITH(clang,
- AS_HELP_STRING([--with-clang],
- [Specify location of clang compiler (default is --with-built-clang)]),
- [],[with_clang=default])
-
-dnl Enable use of the built Clang.
-AC_ARG_WITH(built-clang,
- AS_HELP_STRING([--with-built-clang],
- [Use the compiled Clang as the LLVM compiler (default=check)]),
- [],[with_built_clang=check])
-
-dnl Select the Clang compiler option.
-dnl
-dnl If --with-clang is given, always honor that; otherwise honor
-dnl --with-built-clang, or check if we have the clang sources.
-AC_MSG_CHECKING([clang compiler])
-WITH_CLANGPATH=""
-WITH_BUILT_CLANG=0
-if test "$with_clang" != "default"; then
- WITH_CLANGPATH="$with_clang"
- if ! test -x "$WITH_CLANGPATH"; then
- AC_MSG_ERROR([invalid --with-clang, path does not specify an executable])
- fi
-elif test "$with_built_clang" = "yes"; then
- WITH_BUILT_CLANG=1
-elif test "$with_built_clang" = "no"; then
- WITH_BUILT_CLANG=0
-else
- if test "$with_built_clang" != "check"; then
- AC_MSG_ERROR([invalid value for --with-built-clang.])
- fi
-
- if test -f ${srcdir}/tools/clang/README.txt; then
- WITH_BUILT_CLANG=1
- fi
-fi
-
-if ! test -z "$WITH_CLANGPATH"; then
- AC_MSG_RESULT([$WITH_CLANGPATH])
- WITH_CLANGXXPATH=`"$WITH_CLANGPATH" --print-prog-name=clang++`
-elif test "$WITH_BUILT_CLANG" = "1"; then
- AC_MSG_RESULT([built])
-else
- AC_MSG_RESULT([none])
-fi
-AC_SUBST(CLANGPATH,$WITH_CLANGPATH)
-AC_SUBST(CLANGXXPATH,$WITH_CLANGXXPATH)
-AC_SUBST(ENABLE_BUILT_CLANG,$WITH_BUILT_CLANG)
-
dnl Override the option to use for optimized builds.
AC_ARG_WITH(optimize-option,
AS_HELP_STRING([--with-optimize-option],
AC_LIBTOOL_DLOPEN
AC_LIB_LTDL
-if test "$WITH_LLVMGCCDIR" = "default" ; then
- LLVMGCC="llvm-gcc${EXEEXT}"
- LLVMGXX="llvm-g++${EXEEXT}"
- LLVMGCCCOMMAND="$LLVMGCC"
- LLVMGXXCOMMAND="$LLVMGXX"
- AC_SUBST(LLVMGCCCOMMAND,$LLVMGCCCOMMAND)
- AC_SUBST(LLVMGXXCOMMAND,$LLVMGXXCOMMAND)
- AC_PATH_PROG(LLVMGCC, $LLVMGCC, [])
- AC_PATH_PROG(LLVMGXX, $LLVMGXX, [])
-else
- if test -z "$LLVMGCC"; then
- LLVMGCC="$WITH_LLVMGCCDIR/bin/llvm-gcc${EXEEXT}"
- LLVMGCCCOMMAND="$LLVMGCC"
- fi
- if test -z "$LLVMGXX"; then
- LLVMGXX="$WITH_LLVMGCCDIR/bin/llvm-g++${EXEEXT}"
- LLVMGXXCOMMAND="$LLVMGXX"
- fi
-
- AC_SUBST(LLVMGCC,$LLVMGCC)
- AC_SUBST(LLVMGXX,$LLVMGXX)
- AC_SUBST(LLVMGCCCOMMAND,$LLVMGCCCOMMAND)
- AC_SUBST(LLVMGXXCOMMAND,$LLVMGXXCOMMAND)
-fi
-
-dnl Select the LLVM capable compiler to use, we default to using llvm-gcc if
-dnl found, otherwise clang if available.
-AC_ARG_WITH(llvmcc,
- AS_HELP_STRING([--with-llvmcc=<name>],
- [Choose the LLVM capable compiler to use (llvm-gcc, clang, or none; default=check)]),
- [],[with_llvmcc=check])
-AC_MSG_CHECKING([LLVM capable compiler])
-if test "$with_llvmcc" != "check"; then
- if (test "$with_llvmcc" != "llvm-gcc" &&
- test "$with_llvmcc" != "clang" &&
- test "$with_llvmcc" != "none"); then
- AC_MSG_ERROR([invalid value for --with-llvmcc, expected 'llvm-gcc', 'clang', or 'none'.])
- fi
- WITH_LLVMCC="$with_llvmcc"
-elif test -n "$LLVMGCC"; then
- WITH_LLVMCC=llvm-gcc
-elif test -n "$WITH_CLANGPATH" || test "$WITH_BUILT_CLANG" -ne "0"; then
- WITH_LLVMCC=clang
-else
- WITH_LLVMCC=none
-fi
-AC_MSG_RESULT([$WITH_LLVMCC])
-AC_SUBST(LLVMCC_OPTION,$WITH_LLVMCC)
-
AC_MSG_CHECKING([tool compatibility])
dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
AC_HEADER_DIRENT
AC_HEADER_MMAP_ANONYMOUS
AC_HEADER_STAT
-AC_HEADER_STDC
AC_HEADER_SYS_WAIT
AC_HEADER_TIME
]]),
AC_LANG_POP([C++])
AC_MSG_RESULT(yes)
- AC_DEFINE(LLVM_MULTITHREADED, 1, Build multithreading support into LLVM),
+ AC_DEFINE(LLVM_HAS_ATOMICS, 1, Has gcc/MSVC atomic intrinsics),
AC_MSG_RESULT(no)
- AC_DEFINE(LLVM_MULTITHREADED, 0, Build multithreading support into LLVM)
+ AC_DEFINE(LLVM_HAS_ATOMICS, 0, Has gcc/MSVC atomic intrinsics)
AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing]))
dnl===-----------------------------------------------------------------------===
fi
fi
-dnl Check, whether __dso_handle is present
+dnl Check whether __dso_handle is present
AC_CHECK_FUNCS([__dso_handle])
-dnl Check wether llvm-gcc is based on dragonegg
-AC_CACHE_CHECK([whether llvm-gcc is dragonegg],[llvm_cv_llvmgcc_dragonegg],
-[llvm_cv_llvmgcc_dragonegg="no"
-if test -n "$LLVMGCC" ; then
- cp /dev/null conftest.c
- $LLVMGCC -fplugin-arg-dragonegg-emit-ir -S -o - conftest.c > /dev/null 2>&1
- if test $? -eq 0 ; then
- llvm_cv_llvmgcc_dragonegg="yes"
- fi
- rm conftest.c
-fi])
-
-dnl Set the flags needed to emit LLVM IR and to disable optimizations
-dnl in llvmgcc
-if test "$llvm_cv_llvmgcc_dragonegg" = "yes" ; then
- LLVMCC_EMITIR_FLAG="-fplugin-arg-dragonegg-emit-ir"
- LLVMCC_DISABLEOPT_FLAGS="-fplugin-arg-dragonegg-llvm-ir-optimize=0"
-else
- LLVMCC_EMITIR_FLAG="-emit-llvm"
- LLVMCC_DISABLEOPT_FLAGS="-mllvm -disable-llvm-optzns"
-fi
-
-AC_SUBST(LLVMCC_EMITIR_FLAG)
-
-dnl See if the llvm-gcc executable can compile to LLVM assembly
-AC_CACHE_CHECK([whether llvm-gcc is sane],[llvm_cv_llvmgcc_sanity],
-[llvm_cv_llvmgcc_sanity="no"
-if test -n "$LLVMGCC" ; then
- cp /dev/null conftest.c
- $LLVMGCC "$LLVMCC_EMITIR_FLAG" -S -o - conftest.c | \
- grep 'target datalayout =' > /dev/null 2>&1
- if test $? -eq 0 ; then
- llvm_cv_llvmgcc_sanity="yes"
- fi
- rm conftest.c
-fi])
-
-dnl Since we have a sane llvm-gcc, identify it and its sub-tools
-dnl Furthermore, add some information about the tools
-if test "$llvm_cv_llvmgcc_sanity" = "yes" ; then
- AC_MSG_CHECKING([llvm-gcc component support])
- llvmcc1path=`$LLVMGCC --print-prog-name=cc1`
- AC_SUBST(LLVMCC1,$llvmcc1path)
- llvmcc1pluspath=`$LLVMGCC --print-prog-name=cc1plus`
- AC_SUBST(LLVMCC1PLUS,$llvmcc1pluspath)
- llvmgccdir=`echo "$llvmcc1path" | sed 's,/libexec/.*,,'`
- AC_SUBST(LLVMGCCDIR,$llvmgccdir)
- llvmgcclangs=[`$LLVMGCC -v --help 2>&1 | grep '^Configured with:' | sed 's/^.*--enable-languages=\([^ ]*\).*/\1/'`]
- AC_SUBST(LLVMGCC_LANGS,$llvmgcclangs)
- AC_SUBST(LLVMGCC_DRAGONEGG,$llvm_cv_llvmgcc_dragonegg)
- AC_SUBST(LLVMCC_DISABLEOPT_FLAGS)
- AC_MSG_RESULT([ok])
-fi
-
dnl Propagate the shared library extension that the libltdl checks did to
dnl the Makefiles so we can use it there too
AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext)
AC_CONFIG_FILES([tools/clang/docs/doxygen.cfg])
fi
-dnl Configure llvmc's Base plugin
-AC_CONFIG_FILES([tools/llvmc/src/Base.td])
-
dnl Do the first stage of configuration for llvm-config.in.
AC_CONFIG_FILES([tools/llvm-config/llvm-config.in])
projects / oota-llvm.git / blobdiff