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dnl Process this file with autoconf to produce a configure script.
dnl Autoconf and automake initialization.
AC_PREREQ([2.69])
AC_INIT([libsemigroups],m4_esyscmd([etc/version-number.sh | tr -d "\n"]),[jdm3@st-andrews.ac.uk])
AC_CONFIG_SRCDIR(include/libsemigroups/libsemigroups.hpp)
AC_CONFIG_HEADERS(config/config.h)
AC_CONFIG_MACRO_DIR([m4])
AC_CONFIG_AUX_DIR(config)
AC_CANONICAL_TARGET
dnl Set default CFLAGS/CXXFLAGS to nothing, to avoid passing -g -O2 as
dnl the default C/CXXFLAGS when compiling in, e.g. debug mode
: ${CFLAGS=""}
: ${CXXFLAGS=""}
AM_INIT_AUTOMAKE([1.11 -Wall foreign subdir-objects tar-pax])
AM_SILENT_RULES([yes])
AM_PROG_AR
AX_PREFIX_CONFIG_H([include/libsemigroups/config.hpp],[],[config/config.h])
AC_PROG_CXX
AC_LANG([C++])
AX_CXX_COMPILE_STDCXX_14(,[mandatory])
dnl ## Check for pthread, this seems to be required to compile with GCC
AC_LANG_PUSH([C])
AX_PTHREAD(,[AC_MSG_ERROR([pthread is required])])
AC_CHECK_LIB([pthread], [pthread_create])
AM_MAINTAINER_MODE
AC_SUBST(ac_aux_dir)
dnl Checks for programs.
AC_PROG_INSTALL
AC_PROG_LN_S
LT_INIT
# Checks for header files.
AC_CHECK_HEADERS([limits.h stdint.h stdlib.h sys/time.h unistd.h pthread.h])
# Checks for typedefs, structures, and compiler characteristics.
AC_CHECK_HEADER_STDBOOL
AC_C_INLINE
AC_TYPE_INT64_T
AC_TYPE_SIZE_T
AC_TYPE_UINT64_T
AC_CHECK_TYPES([ptrdiff_t])
AC_CHECK_SIZEOF([void *])
# Checks for library functions.
AC_FUNC_MALLOC
AC_CHECK_FUNCS([gettimeofday memset pow sqrt])
AC_LANG_POP([C])
# Check if debug mode is enabled
AC_ARG_ENABLE([debug],
[AS_HELP_STRING([--enable-debug], [enable debug mode])],
[AC_DEFINE([DEBUG], [1], [define if building in debug mode])],
[enable_debug=no]
)
AC_MSG_CHECKING([whether to enable debug mode])
AC_MSG_RESULT([$enable_debug])
AM_CONDITIONAL([LIBSEMIGROUPS_DEBUG], [test "x$enable_debug" = xyes])
AC_ARG_ENABLE([verbose],
[AS_HELP_STRING([--enable-verbose], [enable verbose mode])],
[AC_DEFINE([VERBOSE], [1], [define if building in verbose mode])],
[enable_verbose=no]
)
AC_MSG_CHECKING([whether to enable verbose mode])
AC_MSG_RESULT([$enable_verbose])
AC_ARG_ENABLE([compile-warnings],
[AS_HELP_STRING([--enable-compile-warnings], [enable compiler warnings])],
[enable_compile_warnings=yes],
[enable_compile_warnings=no])
AC_MSG_CHECKING([whether enable compiler warnings])
AC_MSG_RESULT([$enable_compile_warnings])
AS_IF([test "x$enable_compile_warnings" != "xno"],
[ax_enable_compile_warnings=yes
AX_COMPILER_FLAGS_CXXFLAGS([WARNING_CXXFLAGS], [], [ dnl
-pedantic dnl
-Wold-style-cast])
AC_SUBST([WARNING_CXXFLAGS])])
# Dis/enable stats mode
AC_ARG_ENABLE([stats],
[AS_HELP_STRING([--disable-stats], [disable stats])],
[],
[enable_stats=yes]
)
AC_MSG_CHECKING([whether to enable stats mode])
AC_MSG_RESULT([$enable_stats])
AS_IF([test "x$enable_stats" = "xyes"], [
AC_DEFINE([ENABLE_STATS], [1], [define if building with stats mode])
])
# Check if backward-cpp should be enabled
AC_ARG_ENABLE([backward],
[AS_HELP_STRING([--disable-backward], [disable backward])],
[],
[enable_backward=yes]
)
AC_MSG_CHECKING([whether to enable backward mode])
AC_MSG_RESULT([$enable_backward])
AS_IF([test "x$enable_backward" != "xno"], [
AC_CHECK_HEADER(execinfo.h,
[AC_DEFINE([BACKWARD_ENABLED], [1], [define if building with backward-cpp enabled])],
[AC_MSG_WARN([backward enabled but execinfo.h not found, disabling backward!])])
])
# Check if code coverage mode is enabled
AX_CODE_COVERAGE()
# Check if HPCombi is enable, and available
AX_CHECK_HPCOMBI()
# Check if the vendored fmt should be used or not
AX_CHECK_FMT()
# Check if the vendored eigen should be used or not, or if eigen should be
# disabled altogether
AX_CHECK_EIGEN()
dnl Output configured files
dnl compiler builtins
AC_DEFUN([CHECK_COMPILER_BUILTIN],
[AC_MSG_CHECKING([for $1])
AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[[]],
[$1[($2)];
]
)],
[AS_VAR_SET([[have_]$1], [yes])],
[AS_VAR_SET([[have_]$1], [no])]
)
AC_MSG_RESULT(AS_VAR_GET([[have_]$1]))
AS_IF([test yes = AS_VAR_GET([[have_]$1])],
[AC_DEFINE_UNQUOTED(AS_TR_CPP([HAVE_]$1), 1,
[Define to 1 if the system has the `]$1[' built-in function])], []
)])
CHECK_COMPILER_BUILTIN([__builtin_popcountl],[0]);
CHECK_COMPILER_BUILTIN([__builtin_clzll],[0]);
dnl
dnl User setting: Enable popcnt (on by default)
dnl
AC_ARG_ENABLE([popcnt],
AS_HELP_STRING([--enable-popcnt], [use __builtin_popcntl if available]),
[],
[enable_popcnt=yes])
AC_MSG_CHECKING([whether to try and use __builtin_popcntl])
AC_MSG_RESULT([$enable_popcnt])
AS_IF([test "x$enable_popcnt" != "xno"],
[USE_POPCNT=1],
[USE_POPCNT=0])
AC_DEFINE_UNQUOTED([USE_POPCNT],
[$USE_POPCNT],
[define as 1 if we should try and use the __builtin_popcntl function if available])
dnl
dnl User setting: Enable clz (on by default)
dnl
AC_ARG_ENABLE([clzll],
AS_HELP_STRING([--enable-clzll], [use __builtin_clzll if available]),
[],
[enable_clzll=yes])
AC_MSG_CHECKING([whether to try and use __builtin_clzlll])
AC_MSG_RESULT([$enable_clzll])
AS_IF([test "x$enable_clzll" != "xno"],
[USE_CLZLL=1],
[USE_CLZLL=0])
AC_DEFINE_UNQUOTED([USE_CLZLL],
[$USE_CLZLL],
[define as 1 if we should try and use the __builtin_clzlll function if available])
AC_CONFIG_FILES([Makefile libsemigroups.pc])
AC_OUTPUT
[ Dauer der Verarbeitung: 0.24 Sekunden
(vorverarbeitet)
]
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