X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=autoconf%2Fconfigure.ac;h=cdca28521adf8a0c4e61bdf2fcef6380904d4ce7;hb=f0a0ceb0341db6288d6a3c4c1117cf6f36d5528b;hp=6906a7586ba1cb0c683b171bb6f97bc56a555216;hpb=9c62b5eabb41d41023815df01d07bda5abbd8c4c;p=oota-llvm.git diff --git a/autoconf/configure.ac b/autoconf/configure.ac index 6906a7586ba..cdca28521ad 100644 --- a/autoconf/configure.ac +++ b/autoconf/configure.ac @@ -31,9 +31,22 @@ dnl=== dnl===-----------------------------------------------------------------------=== dnl Initialize autoconf and define the package name, version number and dnl address for reporting bugs. -AC_INIT([LLVM],[3.5svn],[http://llvm.org/bugs/]) -AC_DEFINE([LLVM_VERSION_MAJOR], [3], [Major version of the LLVM API]) -AC_DEFINE([LLVM_VERSION_MINOR], [5], [Minor version of the LLVM API]) + +AC_INIT([LLVM],[3.5.0svn],[http://llvm.org/bugs/]) + +LLVM_VERSION_MAJOR=3 +LLVM_VERSION_MINOR=5 +LLVM_VERSION_PATCH=0 +LLVM_VERSION_SUFFIX=svn + +AC_DEFINE_UNQUOTED([LLVM_VERSION_MAJOR], $LLVM_VERSION_MAJOR, [Major version of the LLVM API]) +AC_DEFINE_UNQUOTED([LLVM_VERSION_MINOR], $LLVM_VERSION_MINOR, [Minor version of the LLVM API]) +AC_DEFINE_UNQUOTED([LLVM_VERSION_PATCH], $LLVM_VERSION_PATCH, [Patch version of the LLVM API]) + +AC_SUBST([LLVM_VERSION_MAJOR]) +AC_SUBST([LLVM_VERSION_MINOR]) +AC_SUBST([LLVM_VERSION_PATCH]) +AC_SUBST([LLVM_VERSION_SUFFIX]) dnl Provide a copyright substitution and ensure the copyright notice is included dnl in the output of --version option of the generated configure script. @@ -115,80 +128,6 @@ AC_COMPILE_IFELSE([AC_LANG_SOURCE([[#if ! __clang__ AC_LANG_POP([C++]) AC_MSG_RESULT([${llvm_cv_cxx_compiler}]) -dnl Check both GCC and Clang for sufficiently modern versions. These checks can -dnl be bypassed by passing a flag if necessary on a platform. -AC_ARG_ENABLE(compiler-version-checks, - AS_HELP_STRING([--enable-compiler-version-checks], - [Check the version of the host compiler (default is YES)]),, - enableval=default) -case "$enableval" in - no) - ;; - yes|default) - AC_LANG_PUSH([C++]) - case "$llvm_cv_cxx_compiler" in - clang) - AC_MSG_CHECKING([whether Clang is new enough]) - AC_COMPILE_IFELSE([AC_LANG_SOURCE([[ -#if __clang_major__ < 3 || (__clang_major__ == 3 && __clang_minor__ < 1) -#error This version of Clang is too old to build LLVM -#endif -]])], - [AC_MSG_RESULT([yes])], - [AC_MSG_RESULT([no]) - AC_MSG_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.])]) - - dnl Note that libstdc++4.6 is known broken for C++11 builds. The errors - dnl are sometimes deeply confusing though. Here we test for an obvious - dnl incomplete feature in 4.6's standard library that was completed in - dnl 4.7's. - AC_MSG_CHECKING([whether Clang will select a modern C++ standard library]) - llvm_cv_old_cxxflags="$CXXFLAGS" - CXXFLAGS="$CXXFLAGS -std=c++0x" - AC_LINK_IFELSE([AC_LANG_SOURCE([[ -#include -std::atomic x(0.0f); -int main() { return (float)x; } -]])], - [AC_MSG_RESULT([yes])], - [AC_MSG_RESULT([no]) - AC_MSG_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.])]) - ;; - gcc) - AC_MSG_CHECKING([whether GCC is new enough]) - AC_COMPILE_IFELSE([AC_LANG_SOURCE([[ -#if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 7) -#error This version of GCC is too old to build LLVM -#endif -]])], - [AC_MSG_RESULT([yes])], - [AC_MSG_RESULT([no]) - AC_MSG_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.])]) - ;; - unknown) - ;; - esac - AC_LANG_POP([C++]) - ;; - *) - AC_MSG_ERROR([Invalid setting for --enable-compiler-version-checks. Use "yes" or "no"]) - ;; -esac - 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. @@ -506,6 +445,7 @@ esac dnl Define a substitution, ARCH, for the target architecture AC_SUBST(ARCH,$llvm_cv_target_arch) +AC_SUBST(LLVM_NATIVE_ARCH,$LLVM_NATIVE_ARCH) dnl Determine what our host architecture. dnl This will allow MCJIT regress tests runs only for supported @@ -581,16 +521,97 @@ case "$enableval" in *) AC_MSG_ERROR([Invalid setting for --enable-libcpp. Use "yes" or "no"]) ;; esac -dnl --enable-cxx11 : check whether or not to use -std=c++11 on the command line -AC_ARG_ENABLE(cxx11, - AS_HELP_STRING([--enable-cxx11], - [Use c++11 if available (default is NO)]),, +dnl Check both GCC and Clang for sufficiently modern versions. These checks can +dnl be bypassed by passing a flag if necessary on a platform. We have to do +dnl these checks here so that we have the configuration of the standard C++ +dnl library finished. +AC_ARG_ENABLE(compiler-version-checks, + AS_HELP_STRING([--enable-compiler-version-checks], + [Check the version of the host compiler (default is YES)]),, + enableval=default) +case "$enableval" in + no) + ;; + yes|default) + AC_LANG_PUSH([C++]) + case "$llvm_cv_cxx_compiler" in + clang) + AC_MSG_CHECKING([whether Clang is new enough]) + AC_COMPILE_IFELSE([AC_LANG_SOURCE([[ +#if __clang_major__ < 3 || (__clang_major__ == 3 && __clang_minor__ < 1) +#error This version of Clang is too old to build LLVM +#endif +]])], + [AC_MSG_RESULT([yes])], + [AC_MSG_RESULT([no]) + AC_MSG_ERROR([ +The selected Clang compiler is not new enough to build LLVM. Please upgrade to +Clang 3.1. You may pass --disable-compiler-version-checks to configure to +bypass these sanity checks.])]) + + dnl Note that libstdc++4.6 is known broken for C++11 builds. The errors + dnl are sometimes deeply confusing though. Here we test for an obvious + dnl incomplete feature in 4.6's standard library that was completed in + dnl 4.7's. We also have to disable this test if 'ENABLE_LIBCPP' is set + dnl because the enable flags don't actually fix CXXFLAGS, they rely on + dnl that happening in the Makefile. + if test "$ENABLE_LIBCPP" -eq 0 ; then + AC_MSG_CHECKING([whether Clang will select a modern C++ standard library]) + llvm_cv_old_cxxflags="$CXXFLAGS" + CXXFLAGS="$CXXFLAGS -std=c++0x" + AC_LINK_IFELSE([AC_LANG_SOURCE([[ +#include +std::atomic x(0.0f); +int main() { return (float)x; } +]])], + [AC_MSG_RESULT([yes])], + [AC_MSG_RESULT([no]) + AC_MSG_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.])]) + CXXFLAGS="$llvm_cv_old_cxxflags" + fi + ;; + gcc) + AC_MSG_CHECKING([whether GCC is new enough]) + AC_COMPILE_IFELSE([AC_LANG_SOURCE([[ +#if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 7) +#error This version of GCC is too old to build LLVM +#endif +]])], + [AC_MSG_RESULT([yes])], + [AC_MSG_RESULT([no]) + AC_MSG_ERROR([ +The selected GCC C++ compiler is not new enough to build LLVM. Please upgrade +to GCC 4.7. You may pass --disable-compiler-version-checks to configure to +bypass these sanity checks.])]) + ;; + unknown) + ;; + esac + AC_LANG_POP([C++]) + ;; + *) + AC_MSG_ERROR([Invalid setting for --enable-compiler-version-checks. Use "yes" or "no"]) + ;; +esac + +dnl --enable-cxx1y : check whether or not to use -std=c++1y on the command line +AC_ARG_ENABLE(cxx1y, + AS_HELP_STRING([--enable-cxx1y], + [Use c++1y if available (default is NO)]),, enableval=default) case "$enableval" in - yes) AC_SUBST(ENABLE_CXX11,[1]) ;; - no) AC_SUBST(ENABLE_CXX11,[0]) ;; - default) AC_SUBST(ENABLE_CXX11,[0]);; - *) AC_MSG_ERROR([Invalid setting for --enable-cxx11. Use "yes" or "no"]) ;; + yes) AC_SUBST(ENABLE_CXX1Y,[1]) ;; + no) AC_SUBST(ENABLE_CXX1Y,[0]) ;; + default) AC_SUBST(ENABLE_CXX1Y,[0]);; + *) AC_MSG_ERROR([Invalid setting for --enable-cxx1y. Use "yes" or "no"]) ;; esac dnl --enable-fission : check whether or not to use -gsplit-dwarf on the command @@ -761,6 +782,9 @@ else esac fi +TARGETS_WITH_JIT="AArch64 ARM Mips PowerPC SystemZ X86" +AC_SUBST(TARGETS_WITH_JIT,$TARGETS_WITH_JIT) + dnl Allow enablement of building and installing docs AC_ARG_ENABLE(docs, AS_HELP_STRING([--enable-docs], @@ -910,6 +934,10 @@ if test "$llvm_cv_enable_crash_overrides" = "yes" ; then [Define to enable crash handling overrides]) fi +dnl List all possible targets +ALL_TARGETS="X86 Sparc PowerPC AArch64 ARM Mips XCore MSP430 CppBackend NVPTX Hexagon SystemZ R600" +AC_SUBST(ALL_TARGETS,$ALL_TARGETS) + dnl Allow specific targets to be specified for building (or not) TARGETS_TO_BUILD="" AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets], @@ -921,7 +949,7 @@ if test "$enableval" = host-only ; then enableval=host fi case "$enableval" in - all) TARGETS_TO_BUILD="X86 Sparc PowerPC AArch64 ARM Mips XCore MSP430 CppBackend NVPTX Hexagon SystemZ R600" ;; + all) TARGETS_TO_BUILD="$ALL_TARGETS" ;; *)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do case "$a_target" in x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;; @@ -1182,6 +1210,21 @@ AC_ARG_ENABLE(terminfo,AS_HELP_STRING( *) AC_MSG_ERROR([Invalid setting for --enable-terminfo. Use "yes" or "no"]) ;; esac], llvm_cv_enable_terminfo="yes") +case "$llvm_cv_enable_terminfo" in + yes) AC_SUBST(ENABLE_TERMINFO,[1]) ;; + no) AC_SUBST(ENABLE_TERMINFO,[0]) ;; +esac + +dnl --enable-libedit: check whether the user wants to turn off libedit. +AC_ARG_ENABLE(libedit,AS_HELP_STRING( + [--enable-libedit], + [Use libedit if available (default is YES)]), + [case "$enableval" in + yes) llvm_cv_enable_libedit="yes" ;; + no) llvm_cv_enable_libedit="no" ;; + *) AC_MSG_ERROR([Invalid setting for --enable-libedit. Use "yes" or "no"]) ;; + esac], + llvm_cv_enable_libedit="yes") dnl --enable-libffi : check whether the user wants to turn off libffi: AC_ARG_ENABLE(libffi,AS_HELP_STRING( @@ -1205,12 +1248,10 @@ dnl=== SECTION 4: Check for programs we need and that they are the right version dnl=== dnl===-----------------------------------------------------------------------=== -AC_PROG_NM -AC_SUBST(NM) - dnl Check for the tools that the makefiles require AC_CHECK_GNU_MAKE AC_PROG_LN_S +AC_PATH_PROG(NM, [nm], [nm]) AC_PATH_PROG(CMP, [cmp], [cmp]) AC_PATH_PROG(CP, [cp], [cp]) AC_PATH_PROG(DATE, [date], [date]) @@ -1356,11 +1397,15 @@ AC_LINK_EXPORT_DYNAMIC dnl Determine whether the linker supports the --version-script option. AC_LINK_VERSION_SCRIPT -dnl Check for libtool and the library that has dlopen function (which must come -dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with -dnl libtool). -AC_LIBTOOL_DLOPEN -AC_LIB_LTDL +AC_CHECK_HEADERS([errno.h]) + +case "$llvm_cv_os_type" in + Cygwin|MingW|Win32) llvm_shlib_ext=.dll ;; + Darwin) llvm_shlib_ext=.dylib ;; + *) llvm_shlib_ext=.so ;; +esac + +AC_DEFINE_UNQUOTED([LTDL_SHLIB_EXT], ["$llvm_shlib_ext"], [The shared library extension]) AC_MSG_CHECKING([tool compatibility]) @@ -1482,7 +1527,7 @@ if test "$llvm_cv_os_type" = "MingW" ; then fi dnl dlopen() is required for plugin support. -AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1], +AC_SEARCH_LIBS(dlopen,dl,LLVM_DEFINE_SUBST([HAVE_DLOPEN],[1], [Define if dlopen() is available on this platform.]), AC_MSG_WARN([dlopen() not found - disabling plugin support])) @@ -1495,8 +1540,15 @@ dnl The curses library is optional; used for querying terminal info if test "$llvm_cv_enable_terminfo" = "yes" ; then dnl We need the has_color functionality in curses for it to be useful. AC_SEARCH_LIBS(setupterm,tinfo terminfo curses ncurses ncursesw, - AC_DEFINE([HAVE_TERMINFO],[1], - [Define if the setupterm() function is supported this platform.])) + LLVM_DEFINE_SUBST([HAVE_TERMINFO],[1], + [Define if the setupterm() function is supported this platform.])) +fi + +dnl The libedit library is optional; used by lib/LineEditor +if test "$llvm_cv_enable_libedit" = "yes" ; then + AC_SEARCH_LIBS(el_init,edit, + AC_DEFINE([HAVE_LIBEDIT],[1], + [Define if libedit is available on this platform.])) fi dnl libffi is optional; used to call external functions from the interpreter @@ -1732,13 +1784,16 @@ AC_CHECK_FUNCS([log log2 log10 exp exp2]) AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ]) AC_CHECK_FUNCS([isatty mkdtemp mkstemp ]) AC_CHECK_FUNCS([mktemp posix_spawn pread realpath sbrk setrlimit ]) -AC_CHECK_FUNCS([strerror strerror_r setenv arc4random ]) +AC_CHECK_FUNCS([strerror strerror_r setenv ]) AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ]) AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp writev]) AC_CHECK_FUNCS([futimes futimens]) AC_C_PRINTF_A AC_FUNC_RAND48 +dnl Check for arc4random accessible via AC_INCLUDES_DEFAULT. +AC_CHECK_DECLS([arc4random]) + dnl Check the declaration "Secure API" on Windows environments. AC_CHECK_DECLS([strerror_s]) @@ -1860,11 +1915,7 @@ AC_CHECK_FUNCS([__dso_handle]) 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,$libltdl_cv_shlibext) - -dnl Propagate the run-time library path variable that the libltdl -dnl checks found to the Makefiles so we can use it there too -AC_SUBST(SHLIBPATH_VAR,$libltdl_cv_shlibpath_var) +AC_SUBST(SHLIBEXT,$llvm_shlib_ext) dnl Translate the various configuration directories and other basic dnl information into substitutions that will end up in Makefile.config.in