diff options
Diffstat (limited to 'xcomp/erl-xcomp.conf.template')
| -rw-r--r-- | xcomp/erl-xcomp.conf.template | 174 |
1 files changed, 84 insertions, 90 deletions
diff --git a/xcomp/erl-xcomp.conf.template b/xcomp/erl-xcomp.conf.template index cc604a80e5..bed365e754 100644 --- a/xcomp/erl-xcomp.conf.template +++ b/xcomp/erl-xcomp.conf.template @@ -31,66 +31,26 @@ ### ## -## Operating system and hardware architecture. -## -# Operating system: linux|solaris<ver>|darwin|freebsd|win32|<...> -erl_xcomp_os= -# Hardware architecture: x86|x86_64|ultrasparc|sparc64|ppc|arm|tile|<...> -# Note that this will be the host parameter to configure, so it -# should be both recognizable by config.sub and a valid prefix for -# i.e. gcc etc if compiler is not specified further down. -erl_xcomp_hw= -# Manufacturer: (unknown is ok) -erl_xcomp_man= -# Extra target info (unknown is ok) -erl_xcomp_target_xtra= - -# Target (change if default isn't satisfactory) -# Note that this has to correspond to what config.sub thinks the machine is. -# Edit config.sub if not satisfactory, or set this explicitly -# to what output you will get from running -# $ERL_TOP/erts/autoconf/config.sub $erl_xcomp_hw - -erl_xcomp_target=${erl_xcomp_hw}-${erl_xcomp_man}-${erl_xcomp_os}-${erl_xcomp_target_xtra} - -## -## Sizes (in bytes) of some important types. -## -# void * -erl_xcomp_void_p= -# short -erl_xcomp_short= -# int -erl_xcomp_int= -# long -erl_xcomp_long= -# long long (use 0 if no 'long long' type exist) -erl_xcomp_long_long= -# size_t -erl_xcomp_sizeof_size_t= -# off_t -erl_xcomp_sizeof_off_t= - -### ---------------------------------------------------------------------------- -### The variables in the following section have to be set for linux systems -### -# linux kernel version (as reported by "uname -r") -erl_xcomp_linux_kernel= +## Target system. The value will be passed as '--host' argument to the configure +## script. It does not have to be a full CPU-VENDOR-OS tripplet, but can be. The +## full CPU-VENDOR-OS tripplet will be created by: +## $ERL_TOP/erts/autoconf/config.sub $erl_xcomp_host +## +erl_xcomp_host= ### ---------------------------------------------------------------------------- -### --------------------------------------------------------------------------- ### To override the configure flags for a special target system, You ### can set this variable which overrides configure parameters on the ### command line and instead uses the specified options. The variable ### leaves the build-host system untouched. -### --------------------------------------------------------------------------- +### ---------------------------------------------------------------------------- erl_xcomp_configure_flags= -###---------------------------------------------------------------------------- +###----------------------------------------------------------------------------- ### You can specify a specific CC or LD for the build target (the cross ### compiler) here along with magic CFLAGS and/or LDFLAGS if needed ### ar and ranlib might also be specified if needed. -###---------------------------------------------------------------------------- +###----------------------------------------------------------------------------- erl_xcomp_cc= @@ -106,7 +66,7 @@ erl_xcomp_ranlib= erl_xcomp_ar= -###---------------------------------------------------------------------------- +###----------------------------------------------------------------------------- ### The ded_ls and ded_ldflags variables control linking of dynamically loaded ### erlang drivers. On i.e. Linux these are set to ### $(CC) and "-shared" respectively, but other OS'es might need other @@ -114,7 +74,7 @@ erl_xcomp_ar= ### erl_xcomp_ded_ld_runtime_library_path is the flag to set a ### specific runtime library path for the shared library at link time, ### usually this should be left empty. -###---------------------------------------------------------------------------- +###----------------------------------------------------------------------------- erl_xcomp_ded_ld= @@ -122,83 +82,117 @@ erl_xcomp_ded_ldflags= erl_xcomp_ded_ld_runtime_library_path= -### The variables in the following section does not need to be set. Only -### set these if you really know what you are doing. +### +### Optional feature, or bug tests +### +### These tests cannot (always) be done automatically when cross compiling. +### You usually does not need to set these variables. Only set these if you +### really know what you are doing. ### ## -## Big endian/little endian can usually be determined by configure correctly, -## but if not, set this variable -## +## erl_xcomp_bigendian - yes|no +## If yes, the target system must be big endian. If no, little endian. This +## can often be automatically detected, but not always. If not automatically +## detected, configure will fail unless this variable is set. No default value +## is used, i.e., configure will try to figure this out automatically. erl_xcomp_bigendian= ## -## If you have a working poll that can be used: yes|no +## erl_xcomp_linux_clock_gettime_correction - yes|no (defaults to yes) +## If yes, clock_gettime(CLOCK_MONOTONIC, _) on the target system must work. +## This variable is recommended to be set to no on Linux systems with kernel +## versions less than 2.6. +## +erl_xcomp_linux_clock_gettime_correction= + +## +## erl_xcomp_linux_nptl - yes|no (defaults to yes on Linux; otherwise, no) +## If yes, the target system must have NPTL (Native POSIX Thread Library). +## Older Linux systems have LinuxThreads instead of NPTL (Linux kernel +## versions typically less than 2.6). +## +erl_xcomp_linux_nptl= + +## +## erl_xcomp_linux_usable_sigusrx - yes|no (defaults to yes) +## If yes, the SIGUSR1 and SIGUSR2 must be usable by the ERTS. Old +## LinuxThreads thread libraries (Linux kernel versions less than 2.2) used +## these signals and made them unusable by the ERTS. +## +erl_xcomp_linux_usable_sigusrx= + +## +## erl_xcomp_linux_usable_sigaltstack - yes|no (defaults to yes) +## If yes, sigaltstack() must be usable on the target system. sigaltstack() +## on Linux kernel versions less than 2.4 are broken. +## +erl_xcomp_linux_usable_sigaltstack= + +## +## erl_xcomp_poll - yes|no (defaults to no on Darwin/MacOSX; otherwise, yes) +## If yes, the target system must have a working poll() implementation that +## also can handle devices. If no, select() will be used instead of poll(). ## erl_xcomp_poll= ## -## If you have a working kqueue() that can be used: yes|no +## erl_xcomp_kqueue - yes|no (defaults to no) +## If yes, the target system must have a working kqueue() implementation that +## returns a file descriptor which can be used by poll() and/or select(). +## If no and the target system has not got epoll() or /dev/poll, the +## kernel-poll feature will be disabled. ## erl_xcomp_kqueue= ## -## If you have a putenv() that stores a copy of the key-value pair: yes|no +## erl_xcomp_putenv_copy - yes|no (defaults to no) +## If yes, the target system must have a putenv() implementation that stores a +## copy of the key/value pair. ## erl_xcomp_putenv_copy= ## -## If you have reliable floating point exeptions that can be -## used: yes|no +## erl_xcomp_reliable_fpe - yes|no (defaults to no) +## If yes, the target system must have reliable floating point exceptions. ## erl_xcomp_reliable_fpe= ## -## If you have getaddrinfo() usable for ipv6: yes|no +## erl_xcomp_getaddrinfo - yes|no (defaults to no) +## If yes, the target system must have a working getaddrinfo() implementation +## that can handle both IPv4 and IPv6. ## erl_xcomp_getaddrinfo= ## -## If you have a gethrvtime() that works and uses ioctl() -## to /proc/self: yes|no +## erl_xcomp_gethrvtime_procfs_ioctl - yes|no (defaults to no) +## If yes, the target system must have a working gethrvtime() implementation +## and is used with procfs ioctl(). ## erl_xcomp_gethrvtime_procfs_ioctl= ## -## If you have a working clock_gettime(): yes|no +## erl_xcomp_clock_gettime - yes|no (defaults to no) +## If yes, the target system must have a working clock_gettime() +## implementation that can be used for retrieving process CPU time. ## erl_xcomp_clock_gettime= ## -## If you have a __after_morecore_hook that can track malloc()s -## core memory use: yes|no +## erl_xcomp_after_morecore_hook - yes|no (defaults to no) +## If yes, the target system must have a working __after_morecore_hook that +## can be used for tracking used malloc() implementations core memory usage. ## erl_xcomp_after_morecore_hook= ## -## If you have brk, sbrk and end symbols: yes|no -## -# brk -erl_xcomp_have_brk= -# _brk -erl_xcomp_have__brk= -# __brk -erl_xcomp_have___brk= -# sbrk -erl_xcomp_have_sbrk= -# _sbrk -erl_xcomp_have__sbrk= -# __sbrk -erl_xcomp_have___sbrk= -# end -erl_xcomp_end= -# _end -erl_xcomp__end= - -## -## If sbrk/brk wrappers using dlsym(RTLD_NEXT, _) can track malloc()s -## core memory use: yes|no +## erl_xcomp_dlsym_brk_wrappers - yes|no (defaults to no) +## If yes, the target system must have a working dlsym(RTLD_NEXT, <S>) +## implementation that can be used on 'brk' and 'sbrk' symbols used by the +## malloc() implementation in use, and by this track the malloc() +## implementations core memory usage. ## -erl_xcomp_brk_wrappers= +erl_xcomp_dlsym_brk_wrappers= ### ---------------------------------------------------------------------------- |