configure/src/configure.c

474 lines
11 KiB
C

/* $Id$ */
/* Copyright (c) 2004-2015 Pierre Pronchery <khorben@defora.org> */
/* This file is part of DeforaOS Devel configure */
/* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
#include <System.h>
#include <sys/types.h>
#ifndef __WIN32__
# include <sys/utsname.h>
#endif
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "makefile.h"
#include "configure.h"
#include "../config.h"
#ifndef PROGNAME
# define PROGNAME PACKAGE
#endif
/* configure */
/* constants */
const String * sHostArch[HA_COUNT] =
{
"amd64", "i386", "i486", "i586", "i686", "sparc", "sparc64", "unknown"
};
const EnumMap mHostArch[] =
{
{ HA_AMD64, "amd64" },
{ HA_AMD64, "x86_64" },
{ HA_ARM, "zaurus" },
{ HA_I386, "i386" },
{ HA_I486, "i486" },
{ HA_I586, "i586" },
{ HA_I686, "i686" },
{ HA_SPARC, "sparc" },
{ HA_SPARC, "sun4u" },
{ HA_SPARC64, "sparc64" },
{ HA_UNKNOWN, "unknown" }
};
const String * sHostOS[HO_COUNT] =
{
"DeforaOS",
"Darwin",
"Linux",
"FreeBSD", "NetBSD", "OpenBSD",
"SunOS",
"Windows",
"unknown"
};
const HostKernelMap mHostKernel[] =
{
{ HO_GNU_LINUX, "2.0", NULL, NULL },
{ HO_GNU_LINUX, "2.2", NULL, NULL },
{ HO_GNU_LINUX, "2.4", NULL, NULL },
{ HO_GNU_LINUX, "2.6", NULL, NULL },
{ HO_MACOSX, "10.5.0", "MacOS X", "10.6.5"},
{ HO_MACOSX, "11.2.0", "MacOS X", "10.7.2"},
{ HO_NETBSD, "2.0", NULL, NULL },
{ HO_NETBSD, "3.0", NULL, NULL },
{ HO_NETBSD, "4.0", NULL, NULL },
{ HO_NETBSD, "5.0", NULL, NULL },
{ HO_NETBSD, "5.1", NULL, NULL },
{ HO_OPENBSD, "4.0", NULL, NULL },
{ HO_OPENBSD, "4.1", NULL, NULL },
{ HO_SUNOS, "5.7", NULL, NULL },
{ HO_SUNOS, "5.8", NULL, NULL },
{ HO_SUNOS, "5.9", NULL, NULL },
{ HO_SUNOS, "5.10", NULL, NULL },
{ HO_UNKNOWN, "unknown", NULL, NULL }
};
const String * sTargetType[TT_COUNT] = { "binary", "library", "libtool",
"object", "plugin", "script", NULL };
const struct ExtensionType _sExtensionType[] =
{
{ "c", OT_C_SOURCE },
{ "cc", OT_CXX_SOURCE },
{ "cpp", OT_CXX_SOURCE },
{ "cxx", OT_CXX_SOURCE },
{ "c++", OT_CXX_SOURCE },
{ "asm", OT_ASM_SOURCE },
{ "S", OT_ASM_SOURCE },
{ "m", OT_OBJC_SOURCE },
{ "mm", OT_OBJCXX_SOURCE},
{ NULL, 0 }
};
const struct ExtensionType * sExtensionType = _sExtensionType;
/* prototypes */
String const * _source_extension(String const * source);
ObjectType _source_type(String const * source);
/* functions */
/* configure_error */
int configure_error(char const * message, int ret)
{
fputs(PROGNAME ": ", stderr);
perror(message);
return ret;
}
/* enum_map_find */
unsigned int enum_map_find(unsigned int last, EnumMap const * map,
String const * str)
{
unsigned int i;
for(i = 0; map[i].value != last; i++)
if(string_compare(map[i].string, str) == 0)
return map[i].value;
return last;
}
/* enum_string */
unsigned int enum_string(unsigned int last, const String * strings[],
String const * str)
{
unsigned int i;
for(i = 0; i < last; i++)
if(string_compare(strings[i], str) == 0)
return i;
return last;
}
/* enum_string_short */
unsigned int enum_string_short(unsigned int last, const String * strings[],
String const * str)
{
unsigned int i;
for(i = 0; i < last; i++)
if(string_compare_length(strings[i], str,
string_length(strings[i])) == 0)
return i;
return last;
}
/* configure */
static void _configure_detect(Configure * configure);
static HostKernel _detect_kernel(HostOS os, char const * release);
static void _configure_detect_programs(Configure * configure);
static int _configure_load(Prefs * prefs, char const * directory,
configArray * ca);
static int _load_subdirs(Prefs * prefs, char const * directory,
configArray * ca, String const * subdirs);
static int _load_subdirs_subdir(Prefs * prefs, char const * directory,
configArray * ca, char const * subdir);
static int _configure_do(Configure * configure, configArray * ca);
int configure(Prefs * prefs, char const * directory)
{
int ret;
Configure cfgr;
configArray * ca;
int flags = prefs->flags;
int i;
Config * p;
if((ca = configarray_new()) == NULL)
return error_print(PROGNAME);
cfgr.prefs = prefs;
_configure_detect(&cfgr);
_configure_detect_programs(&cfgr);
if((ret = _configure_load(prefs, directory, ca)) == 0)
{
if(prefs->flags & PREFS_n)
ret = _configure_do(&cfgr, ca);
else
{
prefs->flags = PREFS_n;
if(_configure_do(&cfgr, ca) == 0)
{
prefs->flags = flags;
ret = _configure_do(&cfgr, ca);
}
}
}
for(i = array_count(ca); i > 0; i--)
{
array_get_copy(ca, i - 1, &p);
config_delete(p);
}
array_delete(ca);
return ret;
}
static void _configure_detect(Configure * configure)
{
char const * os;
char const * version;
#ifdef __WIN32__
configure->arch = HA_I386;
configure->os = HO_WIN32;
configure->kernel = HK_UNKNOWN;
#else
struct utsname un;
if(uname(&un) < 0)
{
configure_error("system detection failed", 0);
configure->arch = HA_UNKNOWN;
configure->os = HO_UNKNOWN;
configure->kernel = HK_UNKNOWN;
return;
}
configure->arch = enum_map_find(HA_LAST, mHostArch, un.machine);
configure->os = enum_string(HO_LAST, sHostOS,
(configure->prefs->os != NULL)
? configure->prefs->os : un.sysname);
configure->kernel = _detect_kernel(configure->os, un.release);
#endif
if(configure->prefs->flags & PREFS_v)
{
os = (mHostKernel[configure->kernel].os_display != NULL)
? mHostKernel[configure->kernel].os_display
: sHostOS[configure->os];
version = (mHostKernel[configure->kernel].version_display
!= NULL)
? mHostKernel[configure->kernel].version_display
: mHostKernel[configure->kernel].version;
printf("Detected system %s version %s (%s)\n", os, version,
sHostArch[configure->arch]);
}
}
static HostKernel _detect_kernel(HostOS os, char const * release)
{
unsigned int i;
for(i = 0; i != HK_LAST; i++)
{
if(mHostKernel[i].os < os)
continue;
if(mHostKernel[i].os > os)
return HK_UNKNOWN;
if(strncmp(release, mHostKernel[i].version,
strlen(mHostKernel[i].version)) == 0)
return i;
}
return i;
}
static void _configure_detect_programs(Configure * configure)
{
configure->programs.ar = "ar";
configure->programs.as = "as";
configure->programs.cc = "cc";
configure->programs.ccshared = "$(CC) -shared";
configure->programs.cxx = "c++";
configure->programs.install = "install";
configure->programs.libtool = "libtool";
configure->programs.ln = "ln -f";
configure->programs.mkdir = "mkdir -m 0755 -p";
configure->programs.ranlib = "ranlib";
configure->programs.rm = "rm -f";
configure->programs.tar = "tar";
/* platform-specific */
switch(configure->os)
{
case HO_MACOSX:
configure->programs.ccshared = "$(CC) -dynamiclib";
break;
case HO_WIN32:
configure->programs.ccshared = "$(CC) -shared"
" -Wl,-no-undefined"
" -Wl,--enable-runtime-pseudo-reloc";
break;
default:
break;
}
}
static int _configure_load(Prefs * prefs, String const * directory,
configArray * ca)
{
int ret = 0;
Config * config;
String * path;
String const * subdirs = NULL;
if((path = string_new(directory)) == NULL)
return configure_error(directory, 1);
if(string_append(&path, "/") != 0
|| string_append(&path, PROJECT_CONF) != 0
|| (config = config_new()) == NULL)
{
string_delete(path);
return configure_error(directory, 1);
}
config_set(config, "", "directory", directory);
if(prefs->flags & PREFS_v)
printf("%s%s%s", "Loading project file ", path, "\n");
if(config_load(config, path) != 0)
ret = error_print(PROGNAME);
else
{
array_append(ca, &config);
subdirs = config_get(config, "", "subdirs");
}
string_delete(path);
if(subdirs == NULL)
return ret;
return _load_subdirs(prefs, directory, ca, subdirs);
}
static int _load_subdirs(Prefs * prefs, char const * directory,
configArray * ca, String const * subdirs)
{
int ret = 0;
int i;
char c;
String * subdir;
String * p;
if((subdir = string_new(subdirs)) == NULL)
return 1;
p = subdir;
for(i = 0; ret == 0; i++)
{
if(subdir[i] != ',' && subdir[i] != '\0')
continue;
c = subdir[i];
subdir[i] = '\0';
ret = _load_subdirs_subdir(prefs, directory, ca, subdir);
if(c == '\0')
break;
subdir += i + 1;
i = 0;
}
string_delete(p);
return ret;
}
static int _load_subdirs_subdir(Prefs * prefs, char const * directory,
configArray * ca, char const * subdir)
/* FIXME error checking */
{
int ret;
String * p;
p = string_new(directory);
string_append(&p, "/");
string_append(&p, subdir);
ret = _configure_load(prefs, p, ca);
string_delete(p);
return ret;
}
static int _configure_do(Configure * configure, configArray * ca)
{
size_t i;
size_t cnt = array_count(ca);
String const * di;
size_t j;
Config * cj;
String const * dj;
for(i = 0; i < cnt; i++)
{
array_get_copy(ca, i, &configure->config);
if((di = config_get(configure->config, "", "directory"))
== NULL)
continue;
for(j = i; j < cnt; j++)
{
array_get_copy(ca, j, &cj);
if((dj = config_get(cj, "", "directory")) == NULL)
continue;
if(string_find(dj, di) == NULL)
break;
}
if(makefile(configure, di, ca, i, j) != 0)
break;
}
return (i == cnt) ? 0 : 1;
}
/* accessors */
/* configure_can_library_static */
int configure_can_library_static(Configure * configure)
{
switch(configure->os)
{
case HO_WIN32:
return 0;
default:
return 1;
}
}
/* configure_get_config */
String const * configure_get_config(Configure * configure,
String const * section, String const * variable)
{
return config_get(configure->config, section, variable);
}
/* configure_get_soext */
String const * configure_get_soext(Configure * configure)
{
if(configure->os == HO_MACOSX)
return ".dylib";
else if(configure->os == HO_WIN32)
return ".dll";
return ".so";
}
/* source_extension */
String const * _source_extension(String const * source)
{
size_t len;
for(len = string_length(source); len > 0; len--)
if(source[len - 1] == '.')
return &source[len];
return NULL;
}
/* source_type */
ObjectType _source_type(String const * source)
{
String const * extension;
size_t i;
if((extension = _source_extension(source)) == NULL)
extension = source;
for(i = 0; sExtensionType[i].extension != NULL; i++)
if(string_compare(sExtensionType[i].extension, extension) == 0)
return sExtensionType[i].type;
return OT_UNKNOWN;
}