# # This file is the main build configuration file for fish. It is used # to determine your systems capabilities, and tries to adapt fish to # take maximum advantage of the services your system offers. # # Process this file using the 'autoconf' command to produce a working # configure script, which should in turn be executed in order to # configure the build process. # m4_syscmd([build_tools/git_version_gen.sh 2>/dev/null]) AC_PREREQ([2.60]) AC_INIT(fish, m4_esyscmd([cut -f 2 -d '=' FISH-BUILD-VERSION-FILE | tr -d '"\n']), fish-users@lists.sourceforge.net) ac_clean_files=a.out.dSYM # # List of output variables produced by this configure script # AC_SUBST(HAVE_GETTEXT) AC_SUBST(HAVE_DOXYGEN) AC_SUBST(LDFLAGS_FISH) AC_SUBST(WCHAR_T_BITS) AC_SUBST(EXTRA_PCRE2) AC_SUBST(EXTRA_MUPARSER) # # If needed, run autoconf to regenerate the configure file # # This makes sure that after running autoconf once to create the first # version of configure, we never again need to worry about manually # running autoconf to handle an updates configure.ac. # AC_MSG_CHECKING([if autoreconf needs to be run]) if test configure -ot configure.ac; then AC_MSG_RESULT([yes]) if command -v autoreconf >/dev/null; then # No need to provide any error messages if autoreconf fails, the # shell and autconf should take care of that themselves AC_MSG_NOTICE([running autoreconf --no-recursive]) if autoreconf --no-recursive; then ./configure "$@" exit fi exit 1 else AC_MSG_ERROR( [cannot find the autoreconf program in your path. This program needs to be run whenever the configure.ac file is modified. Please install autoreconf and try again.] ) fi else AC_MSG_RESULT([no]) fi # # If needed, run autoheader to regenerate config.h.in # # This makes sure we never ever have to run autoheader manually. It # will be run whenever needed automatically. # AC_MSG_CHECKING([if autoheader needs to be run]) if test ! -f ./config.h.in -o config.h.in -ot configure.ac; then AC_MSG_RESULT([yes]) if command -v autoheader >/dev/null; then AC_MSG_NOTICE([running autoheader]) autoheader || exit 1 else AC_MSG_ERROR( [cannot find the autoheader program in your path. This program needs to be run whenever the configure.ac file is modified. Please install autotools and try again.] ) fi else AC_MSG_RESULT([no]) fi # # Include the autoconf macros directory # AC_CONFIG_MACRO_DIRS([m4]) # # Set up various programs needed for install # Note AC_PROG_CXX sets CXXFLAGS if not set, which we want # So ensure this happens before we modify CXXFLAGS below # Do CC also, because PCRE2 will use it. AC_PROG_CC AC_PROG_CC_STDC # c99 AC_PROG_CXX AC_LANG(C++) AC_PROG_INSTALL AC_PROG_LN_S AC_PROG_MKDIR_P AC_PROG_AWK AC_PROG_FGREP AC_PROG_SED AC_USE_SYSTEM_EXTENSIONS AX_CXX_COMPILE_STDCXX_11(noext,mandatory) # # Tell autoconf to create config.h header # AC_CONFIG_HEADERS(config.h) AC_CANONICAL_HOST # # This adds markup to the code that results in a few extra compile # time checks on recent GCC versions. It helps stop a few common bugs. # AH_BOTTOM([#if __GNUC__ >= 3 #ifndef __warn_unused #define __warn_unused __attribute__ ((warn_unused_result)) #endif #ifndef __sentinel #define __sentinel __attribute__ ((sentinel)) #endif #ifndef __packed #define __packed __attribute__ ((packed)) #endif #else #define __warn_unused #define __sentinel #define __packed #endif]) # # Optionally drop gettext support # AC_ARG_WITH( gettext, AS_HELP_STRING( [--without-gettext], [do not translate messages, even if gettext is available] ), [local_gettext=$withval], [local_gettext=check] ) AS_IF([test x$local_gettext != xno], [ AC_CHECK_PROGS( [found_msgfmt], [msgfmt], [no] ) if test x$found_msgfmt != xno; then AC_DEFINE([USE_GETTEXT],[1],[Perform string translations with gettext]) elif test "x$local_gettext" != "xcheck" ; then AC_MSG_FAILURE([--with-gettext was given, but the msgfmt program could not be found]) else local_gettext=no fi ], ) # # Build/clean the documentation only if Doxygen is available # doxygen_minimum=1.8.7 AC_ARG_WITH( doxygen, AS_HELP_STRING( [--with-doxygen], [use Doxygen to regenerate documentation] ), [use_doxygen=$withval], [use_doxygen=auto] ) AS_IF([test "$use_doxygen" != "no"], [ AC_CHECK_PROGS([found_doxygen], [doxygen], [no]) if test "$found_doxygen" != no; then # test version AC_MSG_CHECKING([the doxygen version]) doxygen_version=`doxygen --version 2>/dev/null` AC_MSG_RESULT([$doxygen_version]) dnl This requires autoconf 2.60 or newer AS_VERSION_COMPARE([$doxygen_version], [$doxygen_minimum], [ if test "$use_doxygen" = auto; then AC_MSG_WARN([doxygen version $doxygen_version found, but $doxygen_minimum required]) HAVE_DOXYGEN=0 else AC_MSG_FAILURE([doxygen version $doxygen_version found, but $doxygen_minimum required]) fi ], [HAVE_DOXYGEN=1], [HAVE_DOXYGEN=1]) elif test "$use_doxygen" != auto; then AC_MSG_FAILURE([--with-doxygen was given, but the doxygen program could not be found]) else HAVE_DOXYGEN=0 fi ], ) # # Try to enable large file support. This will make sure that on systems # where off_t can be either 32 or 64 bit, the latter size is used. On # other systems, this should do nothing. (Hopefully) # AC_SYS_LARGEFILE # Fish does not use exceptions. CXXFLAGS="$CXXFLAGS -fno-exceptions" # # Set some warning flags # Don't warn about missing field initializers, it has too many # false positives for code like `struct termios tmodes = {};` # CXXFLAGS="$CXXFLAGS -Wextra -Wno-missing-field-initializers" # # This is needed in order to get the really cool backtraces on Linux # AC_MSG_CHECKING([for -rdynamic linker flag]) prev_LDFLAGS="$LDFLAGS" LDFLAGS="$LDFLAGS -rdynamic" AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],[[]])], [ AC_MSG_RESULT([yes]) LDFLAGS_FISH="$LDFLAGS_FISH -rdynamic" ], [ AC_MSG_RESULT([no]) LDFLAGS_FISH="$LDFLAGS_FISH" ]) LDFLAGS="$prev_LDFLAGS" # # See if Linux procfs is present. This is used to get extra # information about running processes. # AC_CHECK_FILES([/proc/self/stat]) # Disable curses macros that conflict with the STL AC_DEFINE([NCURSES_NOMACROS], [1], [Define to 1 to disable ncurses macros that conflict with the STL]) AC_DEFINE([NOMACROS], [1], [Define to 1 to disable curses macros that conflict with the STL]) # Threading is excitingly broken on Solaris without adding -pthread to CXXFLAGS # Only support GCC for now dnl Ideally we would use the AX_PTHREAD macro here, but it's GPL3-licensed dnl ACX_PTHREAD is way too old and seems to break the OS X build dnl Both only check with AC_LANG(C) in any case case $host_os in solaris*) CXXFLAGS="$CXXFLAGS -pthread" CFLAGS="$CFLAGS -pthread" ;; esac # # Check presense of various libraries. This is done on a per-binary # level, since including various extra libraries in all binaries only # because thay are used by some of them can cause extra bloat and # slower compiles when developing fish. # # Check for os dependant libraries for all binaries. AC_SEARCH_LIBS( nanosleep, rt, , [AC_MSG_ERROR([Cannot find the rt library, needed to build this package.] )] ) AC_SEARCH_LIBS( shm_open, rt, [AC_DEFINE([HAVE_SHM_OPEN], [1], [Define to 1 if the shm_open() function exists])] ) AC_SEARCH_LIBS( pthread_create, pthread, , [AC_MSG_ERROR([Cannot find the pthread library, needed to build this package.] )] ) AC_SEARCH_LIBS( setupterm, [ncurses tinfo curses], , [AC_MSG_ERROR([Could not find a curses implementation, needed to build fish. If this is Linux, try running 'sudo apt-get install libncurses5-dev' or 'sudo yum install ncurses-devel'])] ) AC_SEARCH_LIBS( [dladdr], [dl] ) if test x$local_gettext != xno; then AC_SEARCH_LIBS( gettext, intl,,) fi # # Check presense of various header files # AC_CHECK_HEADERS([getopt.h termios.h sys/resource.h term.h ncurses/term.h ncurses.h ncurses/curses.h curses.h stropts.h siginfo.h sys/select.h sys/ioctl.h execinfo.h spawn.h sys/sysctl.h]) if test x$local_gettext != xno; then AC_CHECK_HEADERS([libintl.h]) fi # # Get the size in bits of wchar_t, needed for configuring the pcre2 build # and for code that #includes pcre2.h # AC_CHECK_SIZEOF(wchar_t) WCHAR_T_BITS=`expr 8 \* $ac_cv_sizeof_wchar_t` AC_DEFINE_UNQUOTED([WCHAR_T_BITS], [$WCHAR_T_BITS], [The size of wchar_t in bits.]) # # Detect nanoseconds fields in struct stat # AC_CHECK_MEMBERS([struct stat.st_ctime_nsec]) AC_CHECK_MEMBERS([struct stat.st_mtimespec.tv_nsec]) AC_CHECK_MEMBERS([struct stat.st_mtim.tv_nsec]) # # Check for D_TYPE in dirent, only on BSD and Linux # AC_STRUCT_DIRENT_D_TYPE # # Check for presence of various functions used by fish # AC_CHECK_FUNCS( wcsndup ) AC_CHECK_FUNCS( futimes ) AC_CHECK_FUNCS( wcslcpy lrand48_r killpg ) AC_CHECK_FUNCS( backtrace_symbols getifaddrs ) AC_CHECK_FUNCS( futimens clock_gettime ) AC_CHECK_FUNCS( getpwent flock ) AC_CHECK_FUNCS( dirfd ) AC_CHECK_DECL( [mkostemp], [ AC_CHECK_FUNCS([mkostemp]) ] ) # # Although setupterm is linkable thanks to SEARCH_LIBS above, some # builds of ncurses include the actual headers in a different package # AC_CHECK_DECL( [setupterm], , [AC_MSG_ERROR([Could not find a curses implementation, needed to build fish. If this is Linux, try running 'sudo apt-get install libncurses5-dev' or 'sudo yum install ncurses-devel'])], [ #if HAVE_NCURSES_H #include #elif HAVE_NCURSES_CURSES_H #include #else #include #endif #if HAVE_TERM_H #include #elif HAVE_NCURSES_TERM_H #include #endif ] ) dnl AC_CHECK_FUNCS uses C linkage, but sometimes (Solaris!) the behaviour is dnl different with C++. AC_MSG_CHECKING([for wcsdup]) AC_TRY_LINK( [ #include ], [ wchar_t* foo = wcsdup(L""); ], [ AC_MSG_RESULT(yes) AC_DEFINE(HAVE_WCSDUP, 1, Define to 1 if you have the `wcsdup' function.) ], [AC_MSG_RESULT(no)], ) AC_MSG_CHECKING([for std::wcsdup]) AC_TRY_LINK( [ #include ], [ wchar_t* foo = std::wcsdup(L""); ], [ AC_MSG_RESULT(yes) AC_DEFINE(HAVE_STD__WCSDUP, 1, Define to 1 if you have the `std::wcsdup' function.) ], [AC_MSG_RESULT(no)], ) AC_MSG_CHECKING([for wcscasecmp]) AC_TRY_LINK( [ #include ], [ int foo = wcscasecmp(L"", L""); ], [ AC_MSG_RESULT(yes) AC_DEFINE(HAVE_WCSCASECMP, 1, Define to 1 if you have the `wcscasecmp' function.) ], [AC_MSG_RESULT(no)], ) AC_MSG_CHECKING([for std::wcscasecmp]) AC_TRY_LINK( [ #include ], [ int foo = std::wcscasecmp(L"", L""); ], [ AC_MSG_RESULT(yes) AC_DEFINE(HAVE_STD__WCSCASECMP, 1, Define to 1 if you have the `std::wcscasecmp' function.) ], [AC_MSG_RESULT(no)], ) AC_MSG_CHECKING([for wcsncasecmp]) AC_TRY_LINK( [ #include ], [ int foo = wcsncasecmp(L"", L"", 0); ], [ AC_MSG_RESULT(yes) AC_DEFINE(HAVE_WCSNCASECMP, 1, Define to 1 if you have the `wcsncasecmp' function.) ], [AC_MSG_RESULT(no)], ) AC_MSG_CHECKING([for std::wcsncasecmp]) AC_TRY_LINK( [ #include ], [ int foo = std::wcsncasecmp(L"", L"", 0); ], [ AC_MSG_RESULT(yes) AC_DEFINE(HAVE_STD__WCSNCASECMP, 1, Define to 1 if you have the `std::wcsncasecmp' function.) ], [AC_MSG_RESULT(no)], ) AC_MSG_CHECKING([for std::make_unique]) AC_TRY_LINK( [ #include ], [ std::unique_ptr foo = std::make_unique(); ], [ AC_MSG_RESULT(yes) AC_DEFINE(HAVE_STD__MAKE_UNIQUE, 1, Define to 1 if you have the `std::make_unique' function.) ], [AC_MSG_RESULT(no)], ) if test x$local_gettext != xno; then AC_CHECK_FUNCS( gettext ) # # The Makefile also needs to know if we have gettext, so it knows if # the translations should be installed. # AC_CHECK_FUNC( gettext, HAVE_GETTEXT=1, HAVE_GETTEXT=0 ) fi # # Here follows a list of small programs used to test for various # features that Autoconf doesn't tell us about # dnl AC_CHECK_FUNCS uses C linkage, but sometimes (Solaris!) the behaviour is dnl different with C++. AC_MSG_CHECKING([if ctermid_r() available]) AC_TRY_LINK( [ #include ], [ char buf[L_ctermid]; char *foo = ctermid_r(buf); ], [ AC_MSG_RESULT(yes) AC_DEFINE(HAVE_CTERMID_R, 1, Define to 1 if you have the `ctermid_r' function.) ], [AC_MSG_RESULT(no)], ) # # Check if struct winsize and TIOCGWINSZ exist # AC_MSG_CHECKING([if struct winsize and TIOCGWINSZ exist]) AC_LINK_IFELSE( [ AC_LANG_PROGRAM( [ #ifdef HAVE_TERMIOS_H #include #endif #ifdef HAVE_SYS_IOCTL_H #include #endif ], [ struct winsize termsize = {0}; TIOCGWINSZ; ] ) ], [ AC_MSG_RESULT(yes); AC_DEFINE([HAVE_WINSIZE], [1], [Define to 1 if the winsize struct and TIOCGWINSZ macro exist]) ], [ AC_MSG_RESULT(no) ] ) # Check for _nl_msg_cat_cntr symbol AC_MSG_CHECKING([for _nl_msg_cat_cntr symbol]) AC_TRY_LINK( [ #if HAVE_LIBINTL_H #include #endif #include ], [ extern int _nl_msg_cat_cntr; int tmp = _nl_msg_cat_cntr; exit(tmp); ], have__nl_msg_cat_cntr=yes, have__nl_msg_cat_cntr=no ) if test "$have__nl_msg_cat_cntr" = yes; then AC_MSG_RESULT(yes) AC_DEFINE( [HAVE__NL_MSG_CAT_CNTR], [1], [Define to 1 if the _nl_msg_cat_cntr symbol is exported.] ) else AC_MSG_RESULT(no) fi # Check for sys_errlist AC_MSG_CHECKING([for sys_errlist array]) AC_TRY_LINK( [ #include ], [ const char *p; p = sys_errlist[sys_nerr]; ], have_sys_errlist=yes, have_sys_errlist=no ) if test "$have_sys_errlist" = yes; then AC_MSG_RESULT(yes) AC_DEFINE( [HAVE_SYS_ERRLIST], [1], [Define to 1 if the sys_errlist array is available.] ) else AC_MSG_RESULT(no) fi # Check for _sys_errs AC_MSG_CHECKING([for _sys_errs array]) AC_TRY_LINK( [ #include ], [ std::string p; extern const char _sys_errs[]; extern const int _sys_index[]; p = _sys_errs[_sys_index[0]]; ], have__sys__errs=yes, have__sys__errs=no ) if test "$have__sys__errs" = yes; then AC_MSG_RESULT(yes) AC_DEFINE( [HAVE__SYS__ERRS], [1], [Define to 1 if the _sys_errs array is available.] ) else AC_MSG_RESULT(no) fi # Check for Solaris curses tputs having fixed length parameter list. AC_MSG_CHECKING([if we are using non varargs tparm.]) AC_COMPILE_IFELSE( [ AC_LANG_PROGRAM( [ #if HAVE_NCURSES_H #include #elif HAVE_NCURSES_CURSES_H #include #else #include #endif #if HAVE_TERM_H #include #elif HAVE_NCURSES_TERM_H #include #endif ], [ tparm( "" ); ] ) ], [tparm_solaris_kludge=no], [tparm_solaris_kludge=yes] ) if test "x$tparm_solaris_kludge" = "xyes"; then AC_MSG_RESULT(yes) AC_DEFINE( [TPARM_SOLARIS_KLUDGE], [1], [Define to 1 if tparm accepts a fixed amount of paramters.] ) else AC_MSG_RESULT(no) fi # ======== # PCRE2 library configuration. pcre2_min_version=10.21 EXTRA_PCRE2= AC_ARG_WITH( included-pcre2, AS_HELP_STRING( [--without-included-pcre2], [build against the system PCRE2 library instead of the bundled version] ), [included_pcre2=$withval], [included_pcre2=auto] ) if test "x$included_pcre2" != "xyes"; then # test for pcre2-config # can use either pcre2-config or pkgconfig here but only implement the former for now AC_CHECK_PROG(PCRE2_CONFIG, pcre2-config, pcre2-config) if test "x$PCRE2_CONFIG" != "x"; then dnl AC_MSG_CHECKING([for $WCHAR_T_BITS-bit PCRE2]) XLIBS="$LIBS" LIBS="$LIBS "`$PCRE2_CONFIG --libs$WCHAR_T_BITS 2>/dev/null` XCXXFLAGS="$CXXFLAGS" CXXFLAGS="$CXXFLAGS "`$PCRE2_CONFIG --cflags` # cheat a bit here. the exact library is determined by $WCHAR_T_BITS, # and so AC_CHECK_LIB won't work (can't use a variable as library name) # AC_SEARCH_LIBS will use the existing $LIBS flags with no additional library first AC_SEARCH_LIBS([pcre2_compile_$WCHAR_T_BITS], [], [ # pcre2 lib found, check for minimum version pcre2_version=`$PCRE2_CONFIG --version` AS_VERSION_COMPARE([$pcre2_version], [$pcre2_min_version], [ # version < minimum AC_MSG_NOTICE([system PCRE2 library version $pcre2_version, need $pcre2_min_version or later]) if test "x$included_pcre2" = "xno"; then # complain about pcre2 version AC_MSG_ERROR([system PCRE2 library is too old, but --without-included-pcre2 was given.]) else # use the internal version; undo changes to LIBS/CXXFLAGS included_pcre2=yes LIBS="$XLIBS" CXXFLAGS="$XCXXFLAGS" fi ], [ # version == minimum working_pcre2=yes ], [ # version > minimum working_pcre2=yes ] ) ], [ # fail case; undo the changes to LIBS/CXXFLAGS working_pcre2=no LIBS="$XLIBS" CXXFLAGS="$XCXXFLAGS" ] ) fi if test "x$working_pcre2" = "xyes"; then AC_MSG_NOTICE([using system PCRE2 library]) else # pcre2 size wrong or pcre2-config not found # is it OK to use the included version? if test "x$included_pcre2" = "xno"; then # complain AC_MSG_ERROR([cannot find system pcre2-config, but --without-included-pcre2 was given. Make sure pcre2-config is installed and available in PATH. You may need to install the PCRE2 development library for your system.]) else # use the internal version included_pcre2=yes fi fi fi # Re-test as value may have changed. if test "x$included_pcre2" = "xyes"; then # Build configure/Makefile for pcre2 AC_MSG_NOTICE([using included PCRE2 library]) # unfortunately these get added to the global configuration ac_configure_args="$ac_configure_args --disable-pcre2-8 --enable-pcre2-$WCHAR_T_BITS --disable-shared" AC_CONFIG_SUBDIRS([pcre2-10.22]) PCRE2_CXXFLAGS='-I$(PCRE2_DIR)/src' PCRE2_LIBS='-L$(PCRE2_LIBDIR) -lpcre2-$(PCRE2_WIDTH)' # Make the binary depend on the PCRE2 libraries so they get built EXTRA_PCRE2='$(PCRE2_LIB)' CXXFLAGS="$CXXFLAGS $PCRE2_CXXFLAGS" LIBS="$LIBS $PCRE2_LIBS" fi # ======== # MuParser math expression library configuration. EXTRA_MUPARSER= # Build configure/Makefile for muparser AC_MSG_NOTICE([using included MuParser library]) # unfortunately these get added to the global configuration ac_configure_args="$ac_configure_args --enable-shared=no --enable-samples=no --enable-debug=no" AC_CONFIG_SUBDIRS([muparser-2.2.5]) MUPARSER_CXXFLAGS='-I$(MUPARSER_DIR)/include' MUPARSER_LIBS='-L$(MUPARSER_LIBDIR) -lmuparser' # Make the binary depend on the MuParser libraries so they get built EXTRA_MUPARSER='$(MUPARSER_LIB)' CXXFLAGS="$CXXFLAGS $MUPARSER_CXXFLAGS" LIBS="$LIBS $MUPARSER_LIBS" # Allow configurable extra directories. AC_SUBST(extra_completionsdir) AC_ARG_WITH([extra-completionsdir], AS_HELP_STRING([--with-extra-completionsdir=DIR], [path for extra completions]), [extra_completionsdir=$withval], [extra_completionsdir='${datadir}/fish/vendor_completions.d']) AC_SUBST(extra_functionsdir) AC_ARG_WITH([extra_functionsdir], AS_HELP_STRING([--with-extra-functionsdir=DIR], [path for extra functions]), [extra_functionsdir=$withval], [extra_functionsdir='${datadir}/fish/vendor_functions.d']) AC_SUBST(extra_confdir) AC_ARG_WITH([extra-confdir], AS_HELP_STRING([--with-extra-confdir=DIR], [path for extra conf]), [extra_confdir=$withval], [extra_confdir='${datadir}/fish/vendor_conf.d']) # Tell the world what we know. AC_CONFIG_FILES([Makefile]) AC_OUTPUT echo "fish is now configured."