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Diffstat (limited to 'HOWTO/INSTALL.md')
| -rw-r--r-- | HOWTO/INSTALL.md | 86 |
1 files changed, 59 insertions, 27 deletions
diff --git a/HOWTO/INSTALL.md b/HOWTO/INSTALL.md index 53b1b8cd8a..51e8648a4a 100644 --- a/HOWTO/INSTALL.md +++ b/HOWTO/INSTALL.md @@ -210,6 +210,14 @@ the `$PATH`. $ export PATH=$ERL_TOP/bin:$PATH # Assuming bash/sh +For the FOP print formatter, two steps must be taken: + +* Adding the location of your installation of `fop` in `$FOP_HOME`. + + $ export FOP_HOME=/path/to/fop/dir # Assuming bash/sh + +* Adding the `fop` script (in `$FOP_HOME`) to your `$PATH`, either by adding `$FOP_HOME` to `$PATH`, or by copying the `fop` script to a directory already in your `$PATH`. + Build the documentation. $ make docs @@ -400,6 +408,18 @@ Some of the available `configure` options are: no automatic dependency handling between applications. If you disable an application that another application depends on, you also have to disable the dependant application. +* `--enable-gettimeofday-as-os-system-time` - Force usage of `gettimeofday()` for + OS system time. +* `--enable-prefer-elapsed-monotonic-time-during-suspend` - Prefer an OS monotonic + time source with elapsed time during suspend. +* `--disable-prefer-elapsed-monotonic-time-during-suspend` - Do not prefer an OS + monotonic time source with elapsed time during suspend. +* `--with-clock-resolution=high|low` - Try to find clock sources for OS system + time, and OS monotonic time with higher or lower resolution than chosen by + default. Note that both alternatives may have a negative impact on the performance + and scalability compared to the default clock sources chosen. +* `--disable-saved-compile-time` - Disable saving of compile date and time + in the emulator binary. * `--enable-dirty-schedulers` - Enable the **experimental** dirty schedulers functionality. Note that the dirty schedulers functionality is experimental, and **not supported**. This functionality **will** be subject to backward @@ -417,22 +437,33 @@ important when building Erlang/OTP. By default the VM will refuse to build if native atomic memory operations are not available. Erlang/OTP itself provides implementations of native atomic memory operations -that can be used when compiling with a `gcc` compatible compiler on 32-bit -and 64-bit x86, 32-bit and 64-bit SPARC V9, and 32-bit PowerPC. When compiling -with a `gcc` compatible compiler on other architectures, the VM may be able to -make use of native atomic operations using the `__sync_*` primitives, but this -should only be used as a last resort since this wont give you optimal -performance. When compiling on Windows using a MicroSoft Visual C++ compiler -native atomic memory operations are provided by Windows APIs. - -You are recommended to use the native atomic implementation provided by -Erlang/OTP, or the API provided by Windows. If these do not provide native -atomics on your platform, you are recommended to build and install -[libatomic_ops][] before building Erlang/OTP. The `libatomic_ops` library -provides native atomic memory operations for a variety of platforms and -compilers. When building Erlang/OTP you need to inform the build system of -where the `libatomic_ops` library is installed using the -`--with-libatomic_ops=PATH` configure switch. +that can be used when compiling with a `gcc` compatible compiler for 32/64-bit +x86, 32/64-bit SPARC V9, 32-bit PowerPC, or 32-bit Tile. When compiling with +a `gcc` compatible compiler for other architectures, the VM may be able to make +use of native atomic operations using the `__atomic_*` builtins (may be +available when using a `gcc` of at least version 4.7) and/or using the +`__sync_*` builtins (may be available when using a `gcc` of at least version +4.1). If only the `gcc`'s `__sync_*` builtins are available, the performance +will suffer. Such a configuration should only be used as a last resort. When +compiling on Windows using a MicroSoft Visual C++ compiler native atomic +memory operations are provided by Windows APIs. + +Native atomic implementation in the order preferred: +1. The implementation provided by Erlang/OTP. +2. The API provided by Windows. +3. The implementation based on the `gcc` `__atomic_*` builtins. +4. If none of the above are available for your architecture/compiler, you + are recommended to build and install [libatomic_ops][] before building + Erlang/OTP. The `libatomic_ops` library provides native atomic memory + operations for a variety of architectures and compilers. When building + Erlang/OTP you need to inform the build system of where the + `libatomic_ops` library is installed using the + `--with-libatomic_ops=PATH` `configure` switch. +5. As a last resort, the implementation solely based on the `gcc` + `__sync_*` builtins. This will however cause lots of expensive and + unnecessary memory barrier instructions to be issued. That is, + performance will suffer. The `configure` script will warn at the end + of its execution if it cannot find any other alternative than this. ### Building ### @@ -485,7 +516,7 @@ If you have Xcode 4.3, or later, you will also need to download If you want to build the `wx` application, you will need to get wxWidgets-3.0 (`wxWidgets-3.0.0.tar.bz2` from <http://sourceforge.net/projects/wxwindows/files/3.0.0/>) or get it from github with bug fixes: - $ git clone --branch WX_3_0_branch [email protected]:wxWidgets/wxWidgets.git + $ git clone --branch WX_3_0_BRANCH [email protected]:wxWidgets/wxWidgets.git Be aware that the wxWidgets-3.0 is a new release of wxWidgets, it is not as mature as the old releases and the OS X port still lags behind the other ports. @@ -849,18 +880,19 @@ Copyright and License %CopyrightBegin% -Copyright Ericsson AB 1998-2014. All Rights Reserved. +Copyright Ericsson AB 1998-2015. All Rights Reserved. -The contents of this file are subject to the Erlang Public License, -Version 1.1, (the "License"); you may not use this file except in -compliance with the License. You should have received a copy of the -Erlang Public License along with this software. If not, it can be -retrieved online at http://www.erlang.org/. +Licensed under the Apache License, Version 2.0 (the "License"); +you may not use this file except in compliance with the License. +You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 -Software distributed under the License is distributed on an "AS IS" -basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See -the License for the specific language governing rights and limitations -under the License. +Unless required by applicable law or agreed to in writing, software +distributed under the License is distributed on an "AS IS" BASIS, +WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +See the License for the specific language governing permissions and +limitations under the License. %CopyrightEnd% |