X-Git-Url: http://plrg.eecs.uci.edu/git/?p=folly.git;a=blobdiff_plain;f=folly%2Fconfigure.ac;h=3ad0893443adac5c38502e12c7d13cd1d7e2dec6;hp=3fd30fad5e4908b9d06f689dad111a0301bbcd40;hb=baa03294ee862eb532108797267dc72497afaa16;hpb=56e0ec4fe2db38106311b09b88820a99860664f3 diff --git a/folly/configure.ac b/folly/configure.ac index 3fd30fad..3ad08934 100644 --- a/folly/configure.ac +++ b/folly/configure.ac @@ -3,13 +3,28 @@ # Process this file with autoconf to produce a configure script. AC_PREREQ(2.59) -AC_INIT(folly, 0.1, folly@fb.com) + +m4_define([folly_version_str], m4_esyscmd_s([cat VERSION])) + +AC_INIT([folly], m4_translit(folly_version_str, [:], [.]), [folly@fb.com]) + +# We assume all revisions are backwards incompatible. +LT_VERSION=folly_version_str:0 +AC_SUBST([LT_VERSION]) + +#declare pkg-config variables +PKG_VERSION=m4_join([.], m4_reverse(m4_translit(folly_version_str, [:], [,]))) +AC_SUBST([PKG_VERSION]) +AC_SUBST([PKG_CXXFLAGS]) +AC_SUBST([PKG_DEPS]) +AC_SUBST([PKG_LIBS]) + AC_CONFIG_SRCDIR([Likely.h]) AC_CONFIG_HEADERS([config.h]) AX_PREFIX_CONFIG_H([folly-config.h], [folly], [config.h]) AC_CONFIG_AUX_DIR([build-aux]) -AM_INIT_AUTOMAKE([foreign dist-bzip2 nostdinc]) +AM_INIT_AUTOMAKE([foreign dist-bzip2 nostdinc subdir-objects]) AC_CONFIG_MACRO_DIR([m4]) @@ -21,127 +36,430 @@ AC_LANG([C++]) # Checks for programs. AC_PROG_CXX AC_PROG_CC -AC_CXX_COMPILE_STDCXX_0X + +AC_CXX_COMPILE_STDCXX_1Y # Be sure to add any -std option to CXXFLAGS before we invoke any # AC_COMPILE_IFELSE() or similar macros. Any such macros that are invoked # before we update CXXFLAGS will not be run with the same options that we use # during the real build. STD="" -if test "x$ac_cv_cxx_compile_cxx0x_cxx" = xyes; then - STD="-std=c++0x" +if test "x$ac_cv_cxx_compile_cxx1y_cxx" = xyes; then + STD="-std=c++1y" fi -if test "x$ac_cv_cxx_compile_cxx0x_gxx" = xyes; then - STD="-std=gnu++0x" +if test "x$ac_cv_cxx_compile_cxx1y_gxx" = xyes; then + STD="-std=gnu++1y" fi CXXFLAGS="$STD $CXXFLAGS" -# Checks for libraries. -AC_CHECK_LIB([glog],[openlog],[],[AC_MSG_ERROR( - [Please install google-glog library])]) -AC_CHECK_LIB([gflags],[getenv],[],[AC_MSG_ERROR( - [Please install google-gflags library])]) +# expose required -std option via pkg-config +PKG_CXXFLAGS=$STD + +# See if -Wunknown-warning-option is supported +AC_MSG_CHECKING( + [whether -Wunknown-warning-option is supported]) +AC_CACHE_VAL([folly_cv_cxx_unknown_warning_option_support], [ + folly_save_CXXFLAGS="$CXXFLAGS" + CXXFLAGS="$CXXFLAGS -Werror=unknown-warning-option" + AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM([[]], [[]])], + [ + # The compiler didn't completely error out on -Werror=unknown-warning-option + CXXFLAGS="$CXXFLAGS -Werror=unknown-warning-option -Wthis-is-an-unknown-option-that-should-error" + AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM([[]], [[]])], + [folly_cv_cxx_unknown_warning_option_support=no], + [folly_cv_cxx_unknown_warning_option_support=yes]) + ], + [folly_cv_cxx_unknown_warning_option_support=no]) + CXXFLAGS="$folly_save_CXXFLAGS"]) +AC_MSG_RESULT([$folly_cv_cxx_unknown_warning_option_support]) + +# See if -Wshadow-local and -Wshadow-compatible-local are supported +AC_MSG_CHECKING( + [whether -Wshadow-local and -Wshadow-compatible-local are supported]) +AC_CACHE_VAL([folly_cv_cxx_shadow_local_support], [ + folly_save_CXXFLAGS="$CXXFLAGS" + CXXFLAGS="$CXXFLAGS -Wshadow-local -Wshadow-compatible-local" + if test "$folly_cv_cxx_unknown_warning_option_support" = yes; then + CXXFLAGS="$CXXFLAGS -Werror=unknown-warning-option" + fi + AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM([[]], [[]])], + [folly_cv_cxx_shadow_local_support=yes], + [folly_cv_cxx_shadow_local_support=no]) + CXXFLAGS="$folly_save_CXXFLAGS"]) +AC_MSG_RESULT([$folly_cv_cxx_shadow_local_support]) +if test "$folly_cv_cxx_shadow_local_support" = yes; then + AC_DEFINE([HAVE_SHADOW_LOCAL_WARNINGS], [1], + [Define if both -Wshadow-local and -Wshadow-compatible-local are supported.]) +fi + +# Checks for glog and gflags +# There are no symbols with C linkage, so we do a try-run +AC_HAVE_LIBRARY([gflags],[],[AC_MSG_ERROR( + [Please install google-gflags library])]) +AC_CACHE_CHECK( + [for gflags viability], + [folly_cv_prog_cc_gflags], + [AC_RUN_IFELSE( + [AC_LANG_SOURCE[ + #include + DEFINE_bool(folly_truthy, true, "Sample truthy flag"); + DEFINE_bool(folly_falsey, false, "Sample falsey flag"); + int main(int argc, char** argv) { + return (FLAGS_folly_truthy && !FLAGS_folly_falsey) ? 0 : 1; + } + ]], + [folly_cv_prog_cc_gflags=yes], + [folly_cv_prog_cc_gflags=no] + )] +) + +if test "$folly_cv_prog_cc_gflags" != "yes"; then + AC_MSG_ERROR(["gflags invalid, see config.log for details"]) +fi +FB_CHECK_PKG_CONFIG([GFLAGS], [gflags]) + +AC_HAVE_LIBRARY([glog],[],[AC_MSG_ERROR( + [Please install google-glog library])]) +AC_CACHE_CHECK( + [for glog viability], + [folly_cv_prog_cc_glog], + [AC_RUN_IFELSE( + [AC_LANG_SOURCE[ + #include + int main(int argc, char** argv) { + google::InitGoogleLogging(argv[0]); + google::ShutdownGoogleLogging(); + return 0; + } + ]], + [folly_cv_prog_cc_glog=yes], + [folly_cv_prog_cc_glog=no] + )] +) + +if test "$folly_cv_prog_cc_glog" != "yes"; then + AC_MSG_ERROR(["libglog invalid, see config.log for details"]) +fi +FB_CHECK_PKG_CONFIG([GLOG], [libglog]) + +AS_IF( + [test "x$OPENSSL_INCLUDES" = "x"], + [ + AX_CHECK_OPENSSL([], [AC_MSG_ERROR(["Error: libssl required"])]) + ], + [ + # AX_CHECK_OPENSSL doesn't seem to play nice with builds started + # via build/bootstrap-osx-homebrew.sh + AC_MSG_WARN(["Using existing OpenSSL flags from environment."]) + PKG_CXXFLAGS="$PKG_CXXFLAGS $OPENSSL_INCLUDES" + ] +) +FB_CHECK_PKG_CONFIG([OPENSSL], [openssl]) # check for boost libs -AX_BOOST_BASE([1.20.0], [], [AC_MSG_ERROR( - [Please install boost >= 1.20.0 (thread, regex, and system)])]) +AX_BOOST_BASE([1.51.0], [], [AC_MSG_ERROR( + [Please install boost >= 1.51.0 (context, thread, program_options, regex, system and chrono)])]) +AX_BOOST_CONTEXT +AX_BOOST_PROGRAM_OPTIONS AX_BOOST_THREAD AX_BOOST_REGEX AX_BOOST_SYSTEM +AX_BOOST_FILESYSTEM +AX_BOOST_CHRONO + +# Check for python interpreter +AM_PATH_PYTHON # Checks for header files. AC_HEADER_STDC -AC_CHECK_HEADERS([fcntl.h features.h inttypes.h limits.h stdint.h stdlib.h string.h sys/time.h unistd.h mutex.h malloc.h emmintrin.h byteswap.h bits/functexcept.h]) +AC_CHECK_HEADERS([features.h malloc.h bits/functexcept.h bits/c++config.h]) AC_CHECK_HEADER(double-conversion/double-conversion.h, [], [AC_MSG_ERROR( [Couldn't find double-conversion.h, please download from \ - http://code.google.com/p/double-conversion/])], []) + https://github.com/google/double-conversion/])], []) AC_CHECK_LIB([double-conversion],[ceil],[],[AC_MSG_ERROR( [Please install double-conversion library])]) +AC_CHECK_LIB([event], [event_set], [], [AC_MSG_ERROR([Unable to find libevent])]) +FB_CHECK_PKG_CONFIG([EVENT], [libevent]) + +AC_ARG_WITH([jemalloc], [ + --with-jemalloc Whether to make folly jemalloc aware +],[ + AC_CHECK_LIB([jemalloc], [xallocx],[ + AC_DEFINE([USE_JEMALLOC], [1], [Enable jemalloc]) + ],[ + AC_MSG_ERROR([--with-jemalloc requested, but jemalloc not found]) + ]) +]) + # Checks for typedefs, structures, and compiler characteristics. -AC_HEADER_STDBOOL AC_C_CONST AC_C_INLINE AC_TYPE_SIZE_T AC_HEADER_TIME AC_C_VOLATILE -AC_CHECK_TYPE([__int128], - [AC_DEFINE([HAVE_INT128_T], [1], [Define if __int128 exists])], - [AC_DEFINE([HAVE_INT128_T], [0], [Define if __int128 does not exist])]) -AC_CHECK_TYPES([ptrdiff_t]) -AC_COMPILE_IFELSE( - [AC_LANG_SOURCE[ - #pragma GCC diagnostic error "-Wattributes" - extern "C" void (*test_ifunc(void))() { return 0; } - void func() __attribute__((ifunc("test_ifunc")));] - ], - [AC_DEFINE([HAVE_IFUNC], [1], [Define to 1 if the compiler supports ifunc])], - [AC_DEFINE([HAVE_IFUNC], [0], [Define to 0 if the compiler doesn't support ifunc])] -) -AC_COMPILE_IFELSE( - [AC_LANG_SOURCE[class C { virtual void f() final {} virtual void g() {} }; - class D : public C { virtual void g() override {} };]], - [AC_DEFINE([FINAL], [final], - [Define to "final" if the compiler supports C++11 "final"]) - AC_DEFINE([OVERRIDE], [override], - [Define to "override" if the compiler supports C++11 "override"])], - [AC_DEFINE([FINAL], [], - [Define to "final" if the compiler supports C++11 "final"]) - AC_DEFINE([OVERRIDE], [], - [Define to "override" if the compiler supports C++11 "override"])] -) +AC_CHECK_TYPE([__int128], [folly_cv_prog_cc_int128=yes], + [folly_cv_prog_cc_int128=no]) +if test "$folly_cv_prog_cc_int128" = "yes"; then + AC_DEFINE([HAVE_INT128_T], [1], [Define if we have __int128]) + AC_CACHE_CHECK( + [for __int128 type traits], + [folly_cv_prog_cc_int128traits], + [AC_COMPILE_IFELSE( + [AC_LANG_SOURCE([[ +#include +static_assert( + ::std::is_same<::std::make_signed::type, __int128>::value, + "signed form of \`unsigned __uint128\` must be \`__int128\`."); + ]])], + [folly_cv_prog_cc_int128traits=yes], + [folly_cv_prog_cc_int128traits=no]) + ]) + if test "$folly_cv_prog_cc_int128traits" = "no"; then + AC_DEFINE([SUPPLY_MISSING_INT128_TRAITS], [1], [Define if we need the standard integer traits defined for the type `__int128'.]) + fi +fi -AC_COMPILE_IFELSE( - [AC_LANG_SOURCE[ - #include - #include - void func() { std::this_thread::sleep_for(std::chrono::seconds(1)); }]], - [AC_DEFINE([HAVE_STD__THIS_THREAD__SLEEP_FOR], [1], - [Define to 1 if std::this_thread::sleep_for() is defined.])]) - -AC_COMPILE_IFELSE( - [AC_LANG_SOURCE[ - #include - static constexpr int val = strlen("foo");]], - [AC_DEFINE([HAVE_CONSTEXPR_STRLEN], [1], - [Define to 1 if strlen(3) is constexpr.])]) - -AC_COMPILE_IFELSE( - [AC_LANG_SOURCE[ - #include - #if !_LIBCPP_VERSION - #error No libc++ - #endif - void func() {}] - ], - [AC_DEFINE([USE_LIBCPP], [1], [Define to 1 if we're using libc++.])]) +AC_CHECK_TYPES([pthread_spinlock_t]) -AC_COMPILE_IFELSE( - [AC_LANG_SOURCE[ - #include - const bool val = std::is_trivially_copyable::value;] - ], - [AC_DEFINE([HAVE_STD__IS_TRIVIALLY_COPYABLE], [1], - [Define to 1 if we have a usable std::is_trivially_copyable - implementation.])]) +AC_CACHE_CHECK( + [for ifunc support], + [folly_cv_prog_cc_ifunc], + [AC_COMPILE_IFELSE( + [AC_LANG_SOURCE[ + #pragma GCC diagnostic error "-Wattributes" + extern "C" void (*test_ifunc(void))() { return 0; } + void func() __attribute__((ifunc("test_ifunc")));] + ], + [folly_cv_prog_cc_ifunc=yes], + [folly_cv_prog_cc_ifunc=no])]) + +if test "$folly_cv_prog_cc_ifunc" = "yes"; then + AC_DEFINE([HAVE_IFUNC], [1], [Define to 1 if the compiler supports ifunc]) +fi + +AC_CACHE_CHECK( + [for final and override support], + [folly_cv_c_final_override], + [AC_COMPILE_IFELSE( + [AC_LANG_SOURCE[class C { virtual void f() final {} virtual void g() {} }; + class D : public C { virtual void g() override {} };]], + [folly_cv_c_final_override=yes], + [folly_cv_c_final_override=no])]) + +if test "$folly_cv_c_final_override" = "yes"; then + final_val=final + override_val=override +else + final_val= + override_val= +fi + +AC_DEFINE_UNQUOTED( + [FINAL], [$final_val], + [Define to "final" if the compiler supports C++11 "final"]) +AC_DEFINE_UNQUOTED( + [OVERRIDE], [$override_val], + [Define to "override" if the compiler supports C++11 "override"]) + +AC_CACHE_CHECK( + [for libc++], + [folly_cv_lib_libcpp], + [AC_COMPILE_IFELSE( + [AC_LANG_SOURCE[ + #include + #if !_LIBCPP_VERSION + #error No libc++ + #endif + void func() {}] + ], + [folly_cv_lib_libcpp=yes], + [folly_cv_lib_libcpp=no])]) + +if test "$folly_cv_lib_libcpp" = yes; then + AC_DEFINE([USE_LIBCPP], [1], [Define to 1 if we are using libc++.]) +fi + +AC_CACHE_CHECK( + [for c++11 atomic support without GNU Atomic library], + [folly_cv_lib_libatomic], + [AC_LINK_IFELSE( + [AC_LANG_SOURCE[ + #include + int main() { + struct Test { int val; }; + std::atomic s; + s.is_lock_free(); + } + ]], + [folly_cv_lib_libatomic=yes], + [folly_cv_lib_libatomic=no])]) + +if test "$folly_cv_lib_libatomic" = no; then + AC_HAVE_LIBRARY([atomic],[],[AC_MSG_ERROR( + [Please install the GNU Atomic library])]) +fi + +if test "$build_os" = "linux-gnu"; then + AC_HAVE_LIBRARY([dl],[],[AC_MSG_ERROR( + [Folly depends on libdl])]) +fi + +AC_CACHE_CHECK( + [for liblinux-vdso support], + [folly_cv_lib_liblinux_vdso], + [AC_RUN_IFELSE( + [AC_LANG_SOURCE[ + #include + int main() { + void *h = dlopen("linux-vdso.so.1", RTLD_LAZY | RTLD_LOCAL | RTLD_NOLOAD); + if (h == nullptr) { + return -1; + } + dlclose(h); + return 0; + } + ]], + [folly_cv_lib_liblinux_vdso=yes], + [folly_cv_lib_liblinux_vdso=no])]) + +if test "$folly_cv_lib_liblinux_vdso" = yes; then + AC_DEFINE([HAVE_LINUX_VDSO], [1], [Define to 1 if liblinux-vdso is available]) +fi + +AC_DEFINE([HAVE_PTHREAD], [1], [Define to 1 if pthread is avaliable]) + +AC_CACHE_CHECK( + [for usable std::is_trivially_copyable], + [folly_cv_decl_std_is_trivially_copyable], + [AC_COMPILE_IFELSE( + [AC_LANG_SOURCE[ + #include + const bool val = std::is_trivially_copyable::value;] + ], + [folly_cv_decl_std_is_trivially_copyable=yes], + [folly_cv_decl_std_is_trivially_copyable=no])]) + +if test "$folly_cv_decl_std_is_trivially_copyable" = yes; then + AC_DEFINE([HAVE_STD__IS_TRIVIALLY_COPYABLE], [1], + [Define to 1 if we have a usable std::is_trivially_copyable + implementation.]) +fi + +AC_CACHE_CHECK( + [gflags namespace], + [folly_cv_decl_gflags_namespace], + [AC_COMPILE_IFELSE( + [AC_LANG_SOURCE[ + #include + void foo() { gflags::GetArgv(); }] + ], + [folly_cv_decl_gflags_namespace=gflags], + [AC_COMPILE_IFELSE( + [AC_LANG_SOURCE[ + #include + void foo() { google::GetArgv(); }] + ], + [folly_cv_decl_gflags_namespace=google], + [folly_cv_decl_gflags_namespace=error])])]) + +if test "$folly_cv_decl_gflags_namespace" = error; then + AC_MSG_ERROR([Cannot determine gflags namespace]) +else + AC_DEFINE_UNQUOTED( + [GFLAGS_NAMESPACE], [$folly_cv_decl_gflags_namespace], + [Define to gflags namespace (usually "google" or "gflags")]) + if test "$folly_cv_decl_gflags_namespace" != gflags; then + AC_DEFINE([UNUSUAL_GFLAGS_NAMESPACE], [1], + [Define to 1 if the gflags namespace is not "gflags"]) + fi +fi # Figure out if we support weak symbols. If not, we will link in some null # stubs for functions that would otherwise be weak. -AC_LINK_IFELSE( - [AC_LANG_SOURCE[ - extern "C" void configure_link_extern_weak_test() __attribute__((weak)); - int main(int argc, char** argv) { - return configure_link_extern_weak_test == nullptr; - }] - ], - [ - ac_have_weak_symbols="yes" - AC_DEFINE([HAVE_WEAK_SYMBOLS], [1], - [Define to 1 if the linker supports weak symbols.])]) +AC_CACHE_CHECK( + [for weak symbol support], + [folly_cv_prog_cc_weak_symbols], + [AC_LINK_IFELSE( + [AC_LANG_SOURCE[ + extern "C" void configure_link_extern_weak_test() __attribute__((weak)); + int main(int argc, char** argv) { + return configure_link_extern_weak_test == nullptr; + }]], + [folly_cv_prog_cc_weak_symbols="yes"], + [folly_cv_prog_cc_weak_symbols="no"])]) + +if test "$folly_cv_prog_cc_weak_symbols" = yes; then + AC_DEFINE([HAVE_WEAK_SYMBOLS], [1], + [Define to 1 if the linker supports weak symbols.]) +fi + + +# Figure out if we support wchar well +AC_CACHE_CHECK( + [for wchar support], + [folly_cv_prog_cc_wchar_support], + [AC_RUN_IFELSE( + [AC_LANG_SOURCE[ + #include + #include + + int main(int argc, char** argv) { + return wcstol(L"01", nullptr, 10) == 1 ? 0 : 1; + } + ]], + [folly_cv_prog_cc_wchar_support=yes], + [folly_cv_prog_cc_wchar_support=no])]) + +if test "$folly_cv_prog_cc_wchar_support" = "yes"; then + AC_DEFINE([HAVE_WCHAR_SUPPORT], [1], [Define to 1 if the libc supports wchar well]) +fi + +# Figure out whether the architecture supports unaligned accesses +AC_CACHE_CHECK( + [for unaligned access support], + [folly_cv_prog_cc_unaligned_access], + [AC_RUN_IFELSE( + [AC_LANG_SOURCE[ + int main(int argc, char** argv) { + char buf[64] = {0}; + unsigned long *ptr = (unsigned long *)(buf + 1); + *ptr = 0xdeadbeef; + return (*ptr & 0xff) == 0xef ? 0 : 1; + } + ]], + [folly_cv_prog_cc_unaligned_access=yes], + [folly_cv_prog_cc_unaligned_access=no])]) + +if test "$folly_cv_prog_cc_unaligned_access" = "yes"; then + AC_DEFINE([HAVE_UNALIGNED_ACCESS], [1], [Define to 1 if the architecture allows unaligned accesses]) +fi + +AC_CACHE_CHECK( + [for vsnprintf reporting bad format strings], + [folly_cv_prog_vsnprintf_bad_format], + [AC_RUN_IFELSE( + [AC_LANG_SOURCE[ + #include + + int main(int argc, char** argv) { + char buf[256]; + return vsnprintf(buf, sizeof(buf), "%", 1) < 0 ? 0 : 1; + }]], + [folly_cv_prog_vsnprintf_bad_format="yes"], + [folly_cv_prog_vsnprintf_bad_format="no"])]) + +if test "$folly_cv_prog_vsnprintf_bad_format" = yes; then + AC_DEFINE([HAVE_VSNPRINTF_ERRORS], [1], + [Define to 1 if the vsnprintf supports returning errors on bad format strings.]) +fi -AC_SEARCH_LIBS([cplus_demangle_v3_callback], [iberty]) +AC_SEARCH_LIBS([cplus_demangle_v3_callback], [iberty_pic iberty]) if test "$ac_cv_search_cplus_demangle_v3_callback" != "no" ; then AC_DEFINE([HAVE_CPLUS_DEMANGLE_V3_CALLBACK], [1], [Define to 1 if we have cplus_demangle_v3_callback.]) @@ -156,35 +474,200 @@ AC_SEARCH_LIBS([clock_gettime], [rt], [Define to 1 if we support clock_gettime(2).]), []) +# Check for pthread_atfork(3). This is not in an AC_CHECK_FUNCS() because we +# want to include pthread.h if necessary. +AC_CACHE_CHECK( + [for pthread_atfork support], + [folly_cv_prog_cc_pthread_atfork], + [AC_COMPILE_IFELSE( + [AC_LANG_SOURCE[ + #include + void func() {pthread_atfork(NULL, NULL, NULL);}] + ], + [folly_cv_prog_cc_pthread_atfork=yes], + [folly_cv_prog_cc_pthread_atfork=no])]) + +if test "$folly_cv_prog_cc_pthread_atfork" = "yes"; then + AC_DEFINE([HAVE_PTHREAD_ATFORK], [1], [Define to 1 if the compiler supports pthread_atfork]) +fi + +# Check for XSI-compatible strerror_r as default implementation +AC_CACHE_CHECK( + [for XSI style strerror_r support], + [folly_cv_prog_cc_xsi_strerror_r], + [AC_RUN_IFELSE( + [AC_LANG_SOURCE[ + #include + #include + int main(int argc, char** argv) { + char buf[1024]; + buf[0] = 0; + int ret = strerror_r(ENOMEM, buf, sizeof(buf)); + return ret; + } + ]], + [folly_cv_prog_cc_xsi_strerror_r=yes], + [folly_cv_prog_cc_xsi_strerror_r=no])]) + +if test "$folly_cv_prog_cc_xsi_strerror_r" = "yes"; then + AC_DEFINE([HAVE_XSI_STRERROR_R], [1], [Define to 1 if the runtime supports XSI-style strerror_r]) +fi + +AC_CACHE_CHECK( + [for ext/random and __gnu_cxx::sfmt19937], + [folly_cv_prog_cc_have_extrandom_sfmt19937], + [AC_COMPILE_IFELSE( + [AC_LANG_SOURCE[ + #include + int main(int argc, char** argv) { + __gnu_cxx::sfmt19937 rng; + return 0; + } + ]], + [folly_cv_prog_cc_have_extrandom_sfmt19937=yes], + [folly_cv_prog_cc_have_extrandom_sfmt19937=no])]) + +AC_CACHE_CHECK( + [for VLA (variable-length array) support], + [folly_cv_prog_cc_have_vla], + [AC_COMPILE_IFELSE( + [AC_LANG_SOURCE[ + int main(int argc, char** argv) { + unsigned size = argc; + char data[size]; + return 0; + } + ]], + [folly_cv_prog_cc_have_vla=yes], + [folly_cv_prog_cc_have_vla=no])]) + +test "$folly_cv_prog_cc_have_vla" = yes && have_vla=1 || have_vla=0 +AC_DEFINE_UNQUOTED( + [HAVE_VLA], + [$have_vla], + [Define to 1 if the compiler has VLA (variable-length array) support, + otherwise define to 0]) + +AC_CACHE_CHECK( + [for variable template support], + [folly_cv_prog_cc_have_variable_templates], + [AC_COMPILE_IFELSE( + [AC_LANG_SOURCE[ + template constexpr bool g = true; + int main() {} + ]], + [folly_cv_prog_cc_have_variable_templates=yes], + [folly_cv_prog_cc_have_variable_templates=no])]) + +AM_CONDITIONAL( + [HAVE_VARIABLE_TEMPLATES], + [test "x${folly_cv_prog_cc_have_variable_templates}" = "xyes"], + [Define to 1 if the compiler supports variable templates]) + # Checks for library functions. -AC_CHECK_FUNCS([getdelim \ - gettimeofday \ - memmove \ - memset \ - pow \ - strerror \ - pthread_yield \ - rallocm \ - malloc_size \ +AC_CHECK_FUNCS([malloc_size \ malloc_usable_size \ - memrchr]) + memrchr \ + pipe2 \ + preadv \ + pwritev \ + ]) + +AC_CHECK_HEADER([lz4.h], AC_CHECK_LIB([lz4], [LZ4_decompress_safe])) +AC_CHECK_HEADER([snappy.h], AC_CHECK_LIB([snappy], [main])) +AC_CHECK_HEADER([zlib.h], AC_CHECK_LIB([z], [main])) +AC_CHECK_HEADER([lzma.h], AC_CHECK_LIB([lzma], [main])) +AC_CHECK_HEADER([zstd.h], AC_CHECK_LIB([zstd], [ZSTD_compressStream])) +AC_CHECK_HEADER([bzlib.h], AC_CHECK_LIB([bz2], [main])) +AC_CHECK_HEADER([linux/membarrier.h], AC_DEFINE([HAVE_LINUX_MEMBARRIER_H], [1], [Define to 1 if membarrier.h is available])) -if test "$ac_cv_func_pthread_yield" = "no"; then - AC_CHECK_HEADERS([sched.h]) - AC_CHECK_FUNCS([sched_yield]) +AC_ARG_ENABLE([follytestmain], + AS_HELP_STRING([--enable-follytestmain], [enables using main function from folly for tests]), + [use_follytestmain=${enableval}], [use_follytestmain=yes]) + +# libdwarf used to install in /usr/include, now installs in /usr/include/libdwarf. +have_libdwarf=no +AC_CHECK_HEADERS([libdwarf/dwarf.h dwarf.h], [have_libdwarf=yes]) + +AC_ARG_ENABLE([mobile], + AS_HELP_STRING([--enable-mobile], + [enables using main function from folly for tests]), + [mobile=${enableval}], [mobile=no]) +AS_IF([test "x${mobile}" = "xyes"], [ + AC_DEFINE([MOBILE], [1], + [Define to 1 for compiler guards for mobile targets.]) +]) + +AC_ARG_ENABLE([exception-tracer], + AS_HELP_STRING([--enable-exception-tracer], [enables building exception tracer]), + [build_exception_tracer=${enableval}], [build_exception_tracer=no]) + +AC_ARG_ENABLE([symbolizer], + AS_HELP_STRING([--enable-symbolizer], [try to build symbolizer if possible]), + [folly_try_use_symbolizer=${enableval}], [folly_try_use_symbolizer=yes]) + +folly_use_symbolizer=no +if test "$folly_try_use_symbolizer" = yes; then + if test "$build_os" = "linux-gnu" && test "$have_libdwarf" = yes; then + AC_CHECK_HEADER( + [elf.h], + AC_CHECK_LIB([unwind], [backtrace], [folly_use_symbolizer=yes]), + ) + fi +fi +if test "$folly_use_symbolizer" = yes; then + AC_DEFINE([USE_SYMBOLIZER], [1], [Define to 1 if we should use the symbolizer in init]) fi -AC_SUBST(AM_CPPFLAGS, '-I../$(top_srcdir)'" "'-I$(top_srcdir)/io'" "'-I$(top_srcdir)/test'" $BOOST_CPPFLAGS") -AC_SUBST(AM_LDFLAGS, "$BOOST_LDFLAGS $BOOST_THREAD_LIB $BOOST_SYSTEM_LIB $BOOST_REGEX_LIB -lpthread") + +# Include directory that contains "folly" so #include works +AM_CPPFLAGS='-I$(top_srcdir)/..' +AM_CPPFLAGS="$AM_CPPFLAGS $BOOST_CPPFLAGS $OPENSSL_INCLUDES" +AM_LDFLAGS="$AM_LDFLAGS $BOOST_CONTEXT_LIB $BOOST_PROGRAM_OPTIONS_LIB" +AM_LDFLAGS="$AM_LDFLAGS $BOOST_THREAD_LIB $BOOST_FILESYSTEM_LIB" +AM_LDFLAGS="$AM_LDFLAGS $BOOST_SYSTEM_LIB $BOOST_REGEX_LIB -lpthread" +AM_LDFLAGS="$AM_LDFLAGS $BOOST_CHRONO_LIB" + +AM_LDFLAGS="$AM_LDFLAGS $OPENSSL_LDFLAGS $OPENSSL_LIBS" + +AC_SUBST([AM_CPPFLAGS]) +AC_SUBST([AM_LDFLAGS]) AM_CONDITIONAL([HAVE_STD_THREAD], [test "$ac_cv_header_features" = "yes"]) AM_CONDITIONAL([HAVE_X86_64], [test "$build_cpu" = "x86_64"]) +AM_CONDITIONAL([HAVE_PPC64], [test "$build_cpu" = "powerpc64le"]) +AM_CONDITIONAL([RUN_ARCH_SPECIFIC_TESTS], [test "$build_cpu" = "x86_64" || test "$build_cpu" = "powerpc64le"]) AM_CONDITIONAL([HAVE_LINUX], [test "$build_os" == "linux-gnu"]) -AM_CONDITIONAL([HAVE_WEAK_SYMBOLS], [test "$ac_have_weak_symbols" = "yes"]) -AM_CONDITIONAL([HAVE_BITS_FUNCTEXCEPT], [test "$ac_cv_header_bits_functexcept" = "yes"]) +AM_CONDITIONAL([HAVE_WEAK_SYMBOLS], + [test "$folly_cv_prog_cc_weak_symbols" = "yes"]) +AM_CONDITIONAL([HAVE_BITS_FUNCTEXCEPT_H], [test "$ac_cv_header_bits_functexcept_h" = "yes"]) +AM_CONDITIONAL([HAVE_EXTRANDOM_SFMT19937], + [test "$folly_cv_prog_cc_have_extrandom_sfmt19937" = "yes"]) +AM_CONDITIONAL([FOLLY_TESTMAIN], [test "x${use_follytestmain}" = "xyes"]) +AM_CONDITIONAL([HAVE_LIBDWARF], [test "x${have_libdwarf}" = "xyes"]) +AM_CONDITIONAL([HAVE_BOOST_CONTEXT], [test "x${ax_cv_boost_context}" = "xyes"]) +AM_CONDITIONAL([EXCEPTION_TRACER], [test "x${build_exception_tracer}" = "xyes"]) +AM_CONDITIONAL([USE_SYMBOLIZER], [test "x${folly_use_symbolizer}" = "xyes"]) + +# remove pkg-config deps from dependent libraries +# (at least for pkg-config file purposes) +FB_FILTER_PKG_LIBS([$AM_LDFLAGS $LIBS]) # Output AC_CONFIG_FILES([Makefile + chrono/test/Makefile + io/test/Makefile + libfolly.pc test/Makefile - test/function_benchmark/Makefile]) + test/function_benchmark/Makefile + experimental/Makefile + experimental/io/test/Makefile + experimental/logging/Makefile + experimental/logging/example/Makefile + experimental/symbolizer/Makefile + init/Makefile + stats/test/Makefile]) + +AM_COND_IF([EXCEPTION_TRACER], + [AC_CONFIG_FILES([experimental/exception_tracer/Makefile])]) AC_OUTPUT