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-*- mode: org -*-
#+TITLE: spine (doc_reform) compile time info
#+DESCRIPTION: documents - structuring, publishing in multiple formats & search
#+FILETAGS: :spine:compile:
#+AUTHOR: Ralph Amissah
#+EMAIL: [[mailto:ralph.amissah@gmail.com][ralph.amissah@gmail.com]]
#+COPYRIGHT: Copyright (C) 2015 - 2020 Ralph Amissah
#+LANGUAGE: en
#+STARTUP: content hideblocks hidestars noindent entitiespretty
#+PROPERTY: header-args :exports code
#+PROPERTY: header-args+ :noweb yes
#+PROPERTY: header-args+ :eval no
#+PROPERTY: header-args+ :results no
#+PROPERTY: header-args+ :cache no
#+PROPERTY: header-args+ :padline no
[[./spine.org][spine]] [[./][org/]]
* compilation info
[[../maker.org][maker.org makefile]]
[[./spine.org][spine hub]] [[./][org/]]
e.g. do on linux bsd osx not windows:
version(Windows) {} else { ... }
** _module template_ :module:compile_time_info:
#+BEGIN_SRC d :tangle "../src/doc_reform/conf/compile_time_info.d"
/++
compile_time_info
+/
module doc_reform.conf.compile_time_info;
template CompileTimeInfo() {
<<spine_compile_time_info>>
}
#+END_SRC
** complile time os
OS type shows during compilation
*** set os flags
#+NAME: spine_compile_time_info
#+BEGIN_SRC d
version(Windows) {
pragma(msg, "[ Windows compilation ]");
enum os = "Windows";
} else version(OSX) {
pragma(msg, "[ Mac OS X POSIX System compilation ]");
enum os = "OSX";
} else version(linux) {
pragma(msg, "[ Linux POSIX System compilation ]");
enum os = "Linux";
} else version(FreeBSD) {
pragma(msg, "[ FreeBSD POSIX System compilation ]");
enum os = "FreeBSD";
} else version(OpenBSD) {
pragma(msg, "[ OpenBSD POSIX System compilation ]");
enum os = "OpenBSD";
} else version(NetBSD) {
pragma(msg, "[ NetBSD POSIX System compilation ]");
enum os = "NetBSD";
} else version(DragonFlyBSD) {
pragma(msg, "[ DragonFlyBSD POSIX System compilation ]");
enum os = "DragonFlyBSD";
} else version(POSIX) {
pragma(msg, "[ POSIX System compilation ]");
enum os = "POSIX";
} else {
static assert(0, "OS not listed");
}
#+END_SRC
** complile time static if os
OS type compiled in and shows during program run
*** report os flag (set) (not used here)
#+BEGIN_SRC d
static if(sysWindows) {
writeln("Windows");
} else static if(sysOSX) {
writeln("OSX");
} else static if(sysLinux) {
writeln("Linux");
} else static if(sysFreeBSD) {
writeln("FreeBSD");
} else static if(sysOpenBSD) {
writeln("OpenBSD");
} else static if(sysNetBSD) {
writeln("NetBSD");
} else static if(sysDragonFlyBSD) {
writeln("DragonFlyBSD");
} else {
writeln("other");
}
#+END_SRC
** 64 bit compilation?
#+NAME: spine_compile_time_info
#+BEGIN_SRC d
version(D_LP64) {
enum bits = "64 bit";
} else {
enum bits = "32 bit";
}
#+END_SRC
* __END__
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