Optional Features:
--disable-FEATURE do not include FEATURE (same as --enable-FEATURE=no)
--enable-FEATURE[=ARG] include FEATURE [ARG=yes]
+ --enable-polly Use polly if available (default is YES)
+ --enable-libcpp Use libc++ if available (default is NO)
--enable-compiler-version-checks
Check the version of the host compiler (default is
YES)
- --enable-polly Use polly if available (default is YES)
- --enable-libcpp Use libc++ if available (default is NO)
--enable-cxx11 Use c++11 if available (default is NO)
--enable-split-dwarf Use split-dwarf if available (default is NO)
--enable-clang-arcmt Enable building of clang ARCMT (default is YES)
all,auto,none,{binding-name} (default=auto)
--enable-terminfo Query the terminfo database if available (default is
YES)
+ --enable-libedit Use libedit if available (default is YES)
--enable-libffi Check for the presence of libffi (default is NO)
--enable-ltdl-install install libltdl
cat >>conftest.$ac_ext <<_ACEOF
/* end confdefs.h. */
#if ! __clang__
- #error
- #endif
+ #error
+ #endif
-int
-main ()
-{
-
- ;
- return 0;
-}
_ACEOF
rm -f conftest.$ac_objext
if { (ac_try="$ac_compile"
cat >>conftest.$ac_ext <<_ACEOF
/* end confdefs.h. */
#if ! __GNUC__
- #error
- #endif
+ #error
+ #endif
-int
-main ()
-{
-
- ;
- return 0;
-}
_ACEOF
rm -f conftest.$ac_objext
if { (ac_try="$ac_compile"
{ echo "$as_me:$LINENO: result: ${llvm_cv_cxx_compiler}" >&5
echo "${ECHO_T}${llvm_cv_cxx_compiler}" >&6; }
-# Check whether --enable-compiler-version-checks was given.
-if test "${enable_compiler_version_checks+set}" = set; then
- enableval=$enable_compiler_version_checks;
-else
- enableval=default
-fi
-
-case "$enableval" in
- no)
- ;;
- yes|default)
- ac_ext=cpp
-ac_cpp='$CXXCPP $CPPFLAGS'
-ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-
- case "$llvm_cv_cxx_compiler" in
- clang)
- { echo "$as_me:$LINENO: checking whether Clang is new enough" >&5
-echo $ECHO_N "checking whether Clang is new enough... $ECHO_C" >&6; }
- cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h. */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h. */
-
-#if __clang_major__ < 3 || (__clang_major__ == 3 && __clang_minor__ < 1)
-#error This version of Clang is too old to build LLVM
-#endif
-
-int
-main ()
-{
-
- ;
- return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
- *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
- *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
- (eval "$ac_compile") 2>conftest.er1
- ac_status=$?
- grep -v '^ *+' conftest.er1 >conftest.err
- rm -f conftest.er1
- cat conftest.err >&5
- echo "$as_me:$LINENO: \$? = $ac_status" >&5
- (exit $ac_status); } &&
- { ac_try='test -z "$ac_cxx_werror_flag" || test ! -s conftest.err'
- { (case "(($ac_try" in
- *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
- *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
- (eval "$ac_try") 2>&5
- ac_status=$?
- echo "$as_me:$LINENO: \$? = $ac_status" >&5
- (exit $ac_status); }; } &&
- { ac_try='test -s conftest.$ac_objext'
- { (case "(($ac_try" in
- *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
- *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
- (eval "$ac_try") 2>&5
- ac_status=$?
- echo "$as_me:$LINENO: \$? = $ac_status" >&5
- (exit $ac_status); }; }; then
- { echo "$as_me:$LINENO: result: yes" >&5
-echo "${ECHO_T}yes" >&6; }
-else
- echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
- { echo "$as_me:$LINENO: result: no" >&5
-echo "${ECHO_T}no" >&6; }
- { { echo "$as_me:$LINENO: error:
-The selected Clang compiler is not new enough to build LLVM. Please upgrade to
-Clang 3.1. You may pass --disable-compiler-version-checks to configure to
-bypass these sanity checks." >&5
-echo "$as_me: error:
-The selected Clang compiler is not new enough to build LLVM. Please upgrade to
-Clang 3.1. You may pass --disable-compiler-version-checks to configure to
-bypass these sanity checks." >&2;}
- { (exit 1); exit 1; }; }
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
- ;;
- gcc)
- { echo "$as_me:$LINENO: checking whether GCC is new enough" >&5
-echo $ECHO_N "checking whether GCC is new enough... $ECHO_C" >&6; }
- cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h. */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h. */
-
-#if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 7)
-#error This version of GCC is too old to build LLVM
-#endif
-
-int
-main ()
-{
-
- ;
- return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
- *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
- *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
- (eval "$ac_compile") 2>conftest.er1
- ac_status=$?
- grep -v '^ *+' conftest.er1 >conftest.err
- rm -f conftest.er1
- cat conftest.err >&5
- echo "$as_me:$LINENO: \$? = $ac_status" >&5
- (exit $ac_status); } &&
- { ac_try='test -z "$ac_cxx_werror_flag" || test ! -s conftest.err'
- { (case "(($ac_try" in
- *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
- *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
- (eval "$ac_try") 2>&5
- ac_status=$?
- echo "$as_me:$LINENO: \$? = $ac_status" >&5
- (exit $ac_status); }; } &&
- { ac_try='test -s conftest.$ac_objext'
- { (case "(($ac_try" in
- *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
- *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
- (eval "$ac_try") 2>&5
- ac_status=$?
- echo "$as_me:$LINENO: \$? = $ac_status" >&5
- (exit $ac_status); }; }; then
- { echo "$as_me:$LINENO: result: yes" >&5
-echo "${ECHO_T}yes" >&6; }
-else
- echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
- { echo "$as_me:$LINENO: result: no" >&5
-echo "${ECHO_T}no" >&6; }
- { { echo "$as_me:$LINENO: error:
-The selected GCC C++ compiler is not new enough to build LLVM. Please upgrade
-to GCC 4.7. You may pass --disable-compiler-version-checks to configure to
-bypass these sanity checks." >&5
-echo "$as_me: error:
-The selected GCC C++ compiler is not new enough to build LLVM. Please upgrade
-to GCC 4.7. You may pass --disable-compiler-version-checks to configure to
-bypass these sanity checks." >&2;}
- { (exit 1); exit 1; }; }
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
- ;;
- unknown)
- ;;
- esac
- ac_ext=c
-ac_cpp='$CPP $CPPFLAGS'
-ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-ac_compiler_gnu=$ac_cv_c_compiler_gnu
-
- ;;
- *)
- { { echo "$as_me:$LINENO: error: Invalid setting for --enable-compiler-version-checks. Use \"yes\" or \"no\"" >&5
-echo "$as_me: error: Invalid setting for --enable-compiler-version-checks. Use \"yes\" or \"no\"" >&2;}
- { (exit 1); exit 1; }; }
- ;;
-esac
-
if test -d ${srcdir}/projects/test-suite ; then
fi
- fi
- fi
+ fi
+ fi
+else
+ LLVM_CROSS_COMPILING=0
+
+fi
+
+if test -d ".svn" -o -d "${srcdir}/.svn" -o -d ".git" -o -d "${srcdir}/.git"; then
+ cvsbuild="yes"
+ optimize="no"
+ CVSBUILD=CVSBUILD=1
+
+else
+ cvsbuild="no"
+ optimize="yes"
+fi
+
+
+# Check whether --enable-libcpp was given.
+if test "${enable_libcpp+set}" = set; then
+ enableval=$enable_libcpp;
+else
+ enableval=default
+fi
+
+case "$enableval" in
+ yes) ENABLE_LIBCPP=1
+ ;;
+ no) ENABLE_LIBCPP=0
+ ;;
+ default) ENABLE_LIBCPP=0
+;;
+ *) { { echo "$as_me:$LINENO: error: Invalid setting for --enable-libcpp. Use \"yes\" or \"no\"" >&5
+echo "$as_me: error: Invalid setting for --enable-libcpp. Use \"yes\" or \"no\"" >&2;}
+ { (exit 1); exit 1; }; } ;;
+esac
+
+# Check whether --enable-compiler-version-checks was given.
+if test "${enable_compiler_version_checks+set}" = set; then
+ enableval=$enable_compiler_version_checks;
+else
+ enableval=default
+fi
+
+case "$enableval" in
+ no)
+ ;;
+ yes|default)
+ ac_ext=cpp
+ac_cpp='$CXXCPP $CPPFLAGS'
+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
+
+ case "$llvm_cv_cxx_compiler" in
+ clang)
+ { echo "$as_me:$LINENO: checking whether Clang is new enough" >&5
+echo $ECHO_N "checking whether Clang is new enough... $ECHO_C" >&6; }
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+
+#if __clang_major__ < 3 || (__clang_major__ == 3 && __clang_minor__ < 1)
+#error This version of Clang is too old to build LLVM
+#endif
+
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_compile") 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -z "$ac_cxx_werror_flag" || test ! -s conftest.err'
+ { (case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_try") 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_try") 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ { echo "$as_me:$LINENO: result: yes" >&5
+echo "${ECHO_T}yes" >&6; }
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ { echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
+ { { echo "$as_me:$LINENO: error:
+The selected Clang compiler is not new enough to build LLVM. Please upgrade to
+Clang 3.1. You may pass --disable-compiler-version-checks to configure to
+bypass these sanity checks." >&5
+echo "$as_me: error:
+The selected Clang compiler is not new enough to build LLVM. Please upgrade to
+Clang 3.1. You may pass --disable-compiler-version-checks to configure to
+bypass these sanity checks." >&2;}
+ { (exit 1); exit 1; }; }
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+ if test "$ENABLE_LIBCPP" -eq 0 ; then
+ { echo "$as_me:$LINENO: checking whether Clang will select a modern C++ standard library" >&5
+echo $ECHO_N "checking whether Clang will select a modern C++ standard library... $ECHO_C" >&6; }
+ llvm_cv_old_cxxflags="$CXXFLAGS"
+ CXXFLAGS="$CXXFLAGS -std=c++0x"
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+
+#include <atomic>
+std::atomic<float> x(0.0f);
+int main() { return (float)x; }
+
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_link") 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -z "$ac_cxx_werror_flag" || test ! -s conftest.err'
+ { (case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_try") 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; } &&
+ { ac_try='test -s conftest$ac_exeext'
+ { (case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_try") 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ { echo "$as_me:$LINENO: result: yes" >&5
+echo "${ECHO_T}yes" >&6; }
else
- LLVM_CROSS_COMPILING=0
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+ { echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
+ { { echo "$as_me:$LINENO: error:
+We detected a missing feature in the standard C++ library that was known to be
+missing in libstdc++4.6 and implemented in libstdc++4.7. There are numerous
+C++11 problems with 4.6's library, and we don't support GCCs or libstdc++ older
+than 4.7. You will need to update your system and ensure Clang uses the newer
+standard library.
+
+If this error is incorrect or you need to force things to work, you may pass
+'--disable-compiler-version-checks' to configure to bypass this test." >&5
+echo "$as_me: error:
+We detected a missing feature in the standard C++ library that was known to be
+missing in libstdc++4.6 and implemented in libstdc++4.7. There are numerous
+C++11 problems with 4.6's library, and we don't support GCCs or libstdc++ older
+than 4.7. You will need to update your system and ensure Clang uses the newer
+standard library.
+
+If this error is incorrect or you need to force things to work, you may pass
+'--disable-compiler-version-checks' to configure to bypass this test." >&2;}
+ { (exit 1); exit 1; }; }
fi
-if test -d ".svn" -o -d "${srcdir}/.svn" -o -d ".git" -o -d "${srcdir}/.git"; then
- cvsbuild="yes"
- optimize="no"
- CVSBUILD=CVSBUILD=1
-
-else
- cvsbuild="no"
- optimize="yes"
-fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+ CXXFLAGS="$llvm_cv_old_cxxflags"
+ fi
+ ;;
+ gcc)
+ { echo "$as_me:$LINENO: checking whether GCC is new enough" >&5
+echo $ECHO_N "checking whether GCC is new enough... $ECHO_C" >&6; }
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+#if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 7)
+#error This version of GCC is too old to build LLVM
+#endif
-# Check whether --enable-libcpp was given.
-if test "${enable_libcpp+set}" = set; then
- enableval=$enable_libcpp;
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_compile") 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -z "$ac_cxx_werror_flag" || test ! -s conftest.err'
+ { (case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_try") 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_try") 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ { echo "$as_me:$LINENO: result: yes" >&5
+echo "${ECHO_T}yes" >&6; }
else
- enableval=default
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ { echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
+ { { echo "$as_me:$LINENO: error:
+The selected GCC C++ compiler is not new enough to build LLVM. Please upgrade
+to GCC 4.7. You may pass --disable-compiler-version-checks to configure to
+bypass these sanity checks." >&5
+echo "$as_me: error:
+The selected GCC C++ compiler is not new enough to build LLVM. Please upgrade
+to GCC 4.7. You may pass --disable-compiler-version-checks to configure to
+bypass these sanity checks." >&2;}
+ { (exit 1); exit 1; }; }
fi
-case "$enableval" in
- yes) ENABLE_LIBCPP=1
- ;;
- no) ENABLE_LIBCPP=0
- ;;
- default) ENABLE_LIBCPP=0
-;;
- *) { { echo "$as_me:$LINENO: error: Invalid setting for --enable-libcpp. Use \"yes\" or \"no\"" >&5
-echo "$as_me: error: Invalid setting for --enable-libcpp. Use \"yes\" or \"no\"" >&2;}
- { (exit 1); exit 1; }; } ;;
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+ ;;
+ unknown)
+ ;;
+ esac
+ ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+ ;;
+ *)
+ { { echo "$as_me:$LINENO: error: Invalid setting for --enable-compiler-version-checks. Use \"yes\" or \"no\"" >&5
+echo "$as_me: error: Invalid setting for --enable-compiler-version-checks. Use \"yes\" or \"no\"" >&2;}
+ { (exit 1); exit 1; }; }
+ ;;
esac
# Check whether --enable-cxx11 was given.
fi
+# Check whether --enable-libedit was given.
+if test "${enable_libedit+set}" = set; then
+ enableval=$enable_libedit; case "$enableval" in
+ yes) llvm_cv_enable_libedit="yes" ;;
+ no) llvm_cv_enable_libedit="no" ;;
+ *) { { echo "$as_me:$LINENO: error: Invalid setting for --enable-libedit. Use \"yes\" or \"no\"" >&5
+echo "$as_me: error: Invalid setting for --enable-libedit. Use \"yes\" or \"no\"" >&2;}
+ { (exit 1); exit 1; }; } ;;
+ esac
+else
+ llvm_cv_enable_libedit="yes"
+fi
+
+
# Check whether --enable-libffi was given.
if test "${enable_libffi+set}" = set; then
enableval=$enable_libffi; case "$enableval" in
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<EOF
-#line 10609 "configure"
+#line 10681 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
fi
+if test "$llvm_cv_enable_libedit" = "yes" ; then
+ { echo "$as_me:$LINENO: checking for library containing el_init" >&5
+echo $ECHO_N "checking for library containing el_init... $ECHO_C" >&6; }
+if test "${ac_cv_search_el_init+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ ac_func_search_save_LIBS=$LIBS
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+
+/* Override any GCC internal prototype to avoid an error.
+ Use char because int might match the return type of a GCC
+ builtin and then its argument prototype would still apply. */
+#ifdef __cplusplus
+extern "C"
+#endif
+char el_init ();
+int
+main ()
+{
+return el_init ();
+ ;
+ return 0;
+}
+_ACEOF
+for ac_lib in '' edit; do
+ if test -z "$ac_lib"; then
+ ac_res="none required"
+ else
+ ac_res=-l$ac_lib
+ LIBS="-l$ac_lib $ac_func_search_save_LIBS"
+ fi
+ rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_link") 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
+ { (case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_try") 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; } &&
+ { ac_try='test -s conftest$ac_exeext'
+ { (case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_try") 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ ac_cv_search_el_init=$ac_res
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+
+fi
+
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext
+ if test "${ac_cv_search_el_init+set}" = set; then
+ break
+fi
+done
+if test "${ac_cv_search_el_init+set}" = set; then
+ :
+else
+ ac_cv_search_el_init=no
+fi
+rm conftest.$ac_ext
+LIBS=$ac_func_search_save_LIBS
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_search_el_init" >&5
+echo "${ECHO_T}$ac_cv_search_el_init" >&6; }
+ac_res=$ac_cv_search_el_init
+if test "$ac_res" != no; then
+ test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
+
+cat >>confdefs.h <<\_ACEOF
+#define HAVE_LIBEDIT 1
+_ACEOF
+
+fi
+
+fi
+
if test "$llvm_cv_enable_libffi" = "yes" ; then
{ echo "$as_me:$LINENO: checking for library containing ffi_call" >&5
echo $ECHO_N "checking for library containing ffi_call... $ECHO_C" >&6; }