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sortix--sortix/tix/tix-build.cpp
Jonas 'Sortie' Termansen a03546be01 Add tix-build support for catching warnings.
2014-12-27 23:42:59 +01:00

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/*******************************************************************************
Copyright(C) Jonas 'Sortie' Termansen 2013.
This file is part of Tix.
Tix is free software: you can redistribute it and/or modify it under the
terms of the GNU General Public License as published by the Free Software
Foundation, either version 3 of the License, or (at your option) any later
version.
Tix is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
details.
You should have received a copy of the GNU General Public License along with
Tix. If not, see <https://www.gnu.org/licenses/>.
tix-build.cpp
Compile a source tix into a tix suitable for installation.
*******************************************************************************/
#define __STDC_CONSTANT_MACROS
#define __STDC_LIMIT_MACROS
#include <sys/stat.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <assert.h>
#include <ctype.h>
#include <dirent.h>
#include <errno.h>
#include <error.h>
#include <fcntl.h>
#include <limits.h>
#include <signal.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "util.h"
enum build_step
{
BUILD_STEP_NO_SUCH_STEP,
BUILD_STEP_START,
BUILD_STEP_PRE_CLEAN,
BUILD_STEP_CONFIGURE,
BUILD_STEP_BUILD,
BUILD_STEP_INSTALL,
BUILD_STEP_POST_INSTALL,
BUILD_STEP_PACKAGE,
BUILD_STEP_POST_CLEAN,
BUILD_STEP_END,
};
bool should_do_build_step(enum build_step step,
enum build_step start,
enum build_step end)
{
return start <= step && step <= end;
}
#define SHOULD_DO_BUILD_STEP(step, minfo) \
should_do_build_step((step), (minfo)->start_step, (minfo)->end_step)
enum build_step step_of_step_name(const char* step_name)
{
if ( !strcmp(step_name, "start") )
return BUILD_STEP_START;
if ( !strcmp(step_name, "pre-clean") )
return BUILD_STEP_PRE_CLEAN;
if ( !strcmp(step_name, "configure") )
return BUILD_STEP_CONFIGURE;
if ( !strcmp(step_name, "build") )
return BUILD_STEP_BUILD;
if ( !strcmp(step_name, "install") )
return BUILD_STEP_INSTALL;
if ( !strcmp(step_name, "post-install") )
return BUILD_STEP_POST_INSTALL;
if ( !strcmp(step_name, "post-clean") )
return BUILD_STEP_POST_CLEAN;
if ( !strcmp(step_name, "package") )
return BUILD_STEP_PACKAGE;
if ( !strcmp(step_name, "clean") )
return BUILD_STEP_POST_CLEAN;
if ( !strcmp(step_name, "end") )
return BUILD_STEP_END;
return BUILD_STEP_NO_SUCH_STEP;
}
typedef struct
{
char* build;
char* build_dir;
char* destination;
char* host;
char* make;
char* makeflags;
char* package_dir;
char* package_info_path;
char* package_name;
char* prefix;
char* sysroot;
char* tar;
char* target;
char* tmp;
string_array_t package_info;
enum build_step start_step;
enum build_step end_step;
} metainfo_t;
bool has_in_path(const char* program)
{
pid_t child_pid = fork();
if ( child_pid < 0 )
error(1, errno, "fork: which %s", program);
if ( child_pid )
{
int exitstatus;
waitpid(child_pid, &exitstatus, 0);
return WIFEXITED(exitstatus) && WEXITSTATUS(exitstatus) == 0;
}
close(0); open("/dev/null", O_RDONLY);
close(1); open("/dev/null", O_WRONLY);
close(2); open("/dev/null", O_WRONLY);
char* argv[] =
{
(char*) "which",
(char*) program,
(char*) NULL,
};
execvp(argv[0], argv);
_exit(1);
}
void emit_compiler_warning_wrapper(metainfo_t* minfo,
const char* bindir,
const char* name)
{
(void) minfo;
if ( !has_in_path(name) )
return;
const char* warnings_dir = getenv("TIX_WARNINGS_DIR");
char* wrapper_path = print_string("%s/%s", bindir, name);
FILE* wrapper = fopen(wrapper_path, "w");
if ( !wrapper )
error(1, errno, "`%s'", wrapper_path);
// TODO: Find a portable shell way of doing this.
fprintf(wrapper, "#!/bin/bash\n");
fprint_shell_variable_assignment(wrapper, "PATH", getenv("PATH"));
fprint_shell_variable_assignment(wrapper, "TIX_WARNINGS_DIR", warnings_dir);
fprintf(wrapper, "warnfile=$(mktemp --tmpdir=\"$TIX_WARNINGS_DIR\")\n");
fprintf(wrapper, "(%s \"$@\") 2> >(tee $warnfile >&2)\n", name);
fprintf(wrapper, "exitstatus=$?\n");
fprintf(wrapper, "if test -s \"$warnfile\"; then\n");
fprintf(wrapper, " if test $exitstatus = 0; then\n");
fprintf(wrapper, " (echo \"cd $(pwd) && %s $@\" && cat \"$warnfile\") > \"$warnfile.warn\"\n", name);
fprintf(wrapper, " else\n");
fprintf(wrapper, " (echo \"cd $(pwd) && %s $@\" && cat \"$warnfile\") > \"$warnfile.err\"\n", name);
fprintf(wrapper, " fi\n");
fprintf(wrapper, "fi\n");
fprintf(wrapper, "rm -f \"$warnfile\"\n");
fprintf(wrapper, "exit $exitstatus\n");
fflush(wrapper);
fchmod_plus_x(fileno(wrapper));
fclose(wrapper);
free(wrapper_path);
}
void emit_compiler_warning_cross_wrapper(metainfo_t* minfo,
const char* bindir,
const char* name)
{
char* cross_name = print_string("%s-%s", minfo->host, name);
emit_compiler_warning_wrapper(minfo, bindir, cross_name);
free(cross_name);
}
void emit_pkg_config_wrapper(metainfo_t* minfo)
{
char* bindir = print_string("%s/tmppid.%ju.bin", minfo->tmp, (uintmax_t) getpid());
if ( mkdir_p(bindir, 0777) != 0 )
error(1, errno, "mkdir: `%s'", bindir);
on_exit(cleanup_file_or_directory, strdup(bindir));
// Create a pkg-config script for the build system.
char* pkg_config_for_build_path = print_string("%s/build-pkg-config", bindir);
FILE* pkg_config_for_build = fopen(pkg_config_for_build_path, "w");
if ( !pkg_config_for_build )
error(1, errno, "`%s'", pkg_config_for_build_path);
fprintf(pkg_config_for_build, "#!/bin/sh\n");
fprint_shell_variable_assignment(pkg_config_for_build, "PATH", getenv("PATH"));
fprint_shell_variable_assignment(pkg_config_for_build, "PKG_CONFIG", getenv("PKG_CONFIG"));
fprint_shell_variable_assignment(pkg_config_for_build, "PKG_CONFIG_PATH", getenv("PKG_CONFIG_PATH"));
fprint_shell_variable_assignment(pkg_config_for_build, "PKG_CONFIG_SYSROOT_DIR", getenv("PKG_CONFIG_SYSROOT_DIR"));
fprint_shell_variable_assignment(pkg_config_for_build, "PKG_CONFIG_FOR_BUILD", getenv("PKG_CONFIG_FOR_BUILD"));
fprint_shell_variable_assignment(pkg_config_for_build, "PKG_CONFIG_LIBDIR", getenv("PKG_CONFIG_LIBDIR"));
fprintf(pkg_config_for_build, "exec ${PKG_CONFIG:-pkg-config} \"$@\"\n");
fflush(pkg_config_for_build);
fchmod_plus_x(fileno(pkg_config_for_build));
fclose(pkg_config_for_build);
free(pkg_config_for_build_path);
// Create a pkg-config script for the host system.
char* pkg_config_path = print_string("%s/pkg-config", bindir);
FILE* pkg_config = fopen(pkg_config_path, "w");
if ( !pkg_config )
error(1, errno, "`%s'", pkg_config_path);
fprintf(pkg_config, "#!/bin/sh\n");
fprint_shell_variable_assignment(pkg_config, "PATH", getenv("PATH"));
fprint_shell_variable_assignment(pkg_config, "PKG_CONFIG", getenv("PKG_CONFIG"));
fprintf(pkg_config, "exec ${PKG_CONFIG:-pkg-config} --static \"$@\"\n");
fflush(pkg_config);
fchmod_plus_x(fileno(pkg_config));
fclose(pkg_config);
free(pkg_config_path);
// Point to the correct pkg-config configuration through the environment.
char* var_pkg_config = print_string("%s/pkg-config", bindir);
char* var_pkg_config_for_build = print_string("%s/build-pkg-config", bindir);
char* var_pkg_config_libdir =
print_string("%s%s/%s/lib/pkgconfig",
minfo->sysroot, minfo->prefix, minfo->host);
char* var_pkg_config_path = print_string("%s", var_pkg_config_libdir);
char* var_pkg_config_sysroot_dir = print_string("%s", minfo->sysroot);
setenv("PKG_CONFIG", var_pkg_config, 1);
setenv("PKG_CONFIG_FOR_BUILD", var_pkg_config_for_build, 1);
setenv("PKG_CONFIG_LIBDIR", var_pkg_config_libdir, 1);
setenv("PKG_CONFIG_PATH", var_pkg_config_path, 1);
setenv("PKG_CONFIG_SYSROOT_DIR", var_pkg_config_sysroot_dir, 1);
free(var_pkg_config);
free(var_pkg_config_for_build);
free(var_pkg_config_libdir);
free(var_pkg_config_path);
free(var_pkg_config_sysroot_dir);
if ( getenv("TIX_WARNINGS_DIR") )
{
char* warnings_dir = print_string("%s/%s", getenv("TIX_WARNINGS_DIR"), minfo->package_name);
if ( mkdir(warnings_dir, 0777) == 0 || errno == EEXIST )
{
setenv("TIX_WARNINGS_DIR", warnings_dir, 1);
}
else
{
error(1, errno, "mkdir: `%s': compiler warnings won't be saved", warnings_dir);
unsetenv("TIX_WARNINGS_DIR");
}
free(warnings_dir);
}
if ( getenv("TIX_WARNINGS_DIR") )
{
emit_compiler_warning_wrapper(minfo, bindir, "cc");
emit_compiler_warning_wrapper(minfo, bindir, "gcc");
emit_compiler_warning_wrapper(minfo, bindir, "c++");
emit_compiler_warning_wrapper(minfo, bindir, "g++");
emit_compiler_warning_cross_wrapper(minfo, bindir, "cc");
emit_compiler_warning_cross_wrapper(minfo, bindir, "gcc");
emit_compiler_warning_cross_wrapper(minfo, bindir, "c++");
emit_compiler_warning_cross_wrapper(minfo, bindir, "g++");
}
char* new_path = print_string("%s:%s", bindir, getenv("PATH") ? getenv("PATH") : "");
setenv("PATH", new_path, 1);
free(new_path);
free(bindir);
}
void Configure(metainfo_t* minfo)
{
if ( fork_and_wait_or_recovery() )
{
string_array_t* pkg_info = &minfo->package_info;
const char* configure_raw =
dictionary_get(pkg_info, "pkg.configure.cmd", "./configure");
char* configure;
if ( strcmp(minfo->build_dir, minfo->package_dir) == 0 )
configure = strdup(configure_raw);
else
configure = print_string("%s/%s", minfo->package_dir, configure_raw);
const char* conf_extra_args =
dictionary_get(pkg_info, "pkg.configure.args", "");
const char* conf_extra_vars =
dictionary_get(pkg_info, "pkg.configure.vars", "");
bool with_sysroot =
parse_boolean(dictionary_get(pkg_info, "pkg.configure.with-sysroot",
"false"));
bool with_build_sysroot =
parse_boolean(dictionary_get(pkg_info, "pkg.configure.with-build-sysroot",
"false"));
if ( chdir(minfo->build_dir) != 0 )
error(1, errno, "chdir: `%s'", minfo->build_dir);
string_array_t env_vars = string_array_make();
string_array_append_token_string(&env_vars, conf_extra_vars);
for ( size_t i = 0; i < env_vars.length; i++ )
{
char* key = env_vars.strings[i];
assert(key);
char* assignment = strchr((char*) key, '=');
if ( !assignment )
continue;
*assignment = '\0';
char* value = assignment+1;
setenv(key, value, 1);
}
const char* fixed_cmd_argv[] =
{
configure,
print_string("--build=%s", minfo->build),
print_string("--host=%s", minfo->host),
print_string("--target=%s", minfo->target),
print_string("--prefix=%s", minfo->prefix),
print_string("--exec-prefix=%s/%s", minfo->prefix, minfo->host),
NULL
};
string_array_t args = string_array_make();
for ( size_t i = 0; fixed_cmd_argv[i]; i++ )
string_array_append(&args, fixed_cmd_argv[i]);
if ( minfo->sysroot && with_build_sysroot )
{
string_array_append(&args, print_string("--with-build-sysroot=%s",
minfo->sysroot));
if ( minfo->sysroot && with_sysroot )
string_array_append(&args, "--with-sysroot=/");
unsetenv("HOST_SYSTEM_ROOT");
}
else if ( minfo->sysroot && with_sysroot )
{
string_array_append(&args, print_string("--with-sysroot=%s",
minfo->sysroot));
unsetenv("HOST_SYSTEM_ROOT");
}
else if ( minfo->sysroot )
{
setenv("HOST_SYSTEM_ROOT", minfo->sysroot, 1);
}
string_array_append_token_string(&args, conf_extra_args);
string_array_append(&args, NULL);
recovery_execvp(args.strings[0], (char* const*) args.strings);
error(127, errno, "`%s'", args.strings[0]);
}
}
void Make(metainfo_t* minfo, const char* make_target,
const char* destdir = NULL, bool die_on_error = true,
const char* subdir = NULL)
{
if ( (!die_on_error && fork_and_wait_or_death(die_on_error)) ||
(die_on_error && fork_and_wait_or_recovery()) )
{
string_array_t* pkg_info = &minfo->package_info;
char* make = strdup(minfo->make);
const char* override_make = dictionary_get(pkg_info, "pkg.make.cmd");
const char* make_extra_args = dictionary_get(pkg_info, "pkg.make.args", "");
const char* make_extra_vars = dictionary_get(pkg_info, "pkg.make.vars", "");
if ( override_make )
{
free(make);
make = join_paths(minfo->package_dir, override_make);
}
if ( dictionary_get(pkg_info, "pkg.make.needed-vars.AR", NULL) )
setenv("AR", strcmp(minfo->build, minfo->host) ?
print_string("%s-ar", minfo->host) : "ar", 1);
if ( dictionary_get(pkg_info, "pkg.make.needed-vars.CC", NULL) )
setenv("CC", strcmp(minfo->build, minfo->host) ?
print_string("%s-gcc", minfo->host) : "gcc", 1);
if ( dictionary_get(pkg_info, "pkg.make.needed-vars.CXX", NULL) )
setenv("CXX", strcmp(minfo->build, minfo->host) ?
print_string("%s-g++", minfo->host) : "g++", 1);
bool with_sysroot =
parse_boolean(dictionary_get(pkg_info, "pkg.configure.with-sysroot",
"false"));
bool with_build_sysroot =
parse_boolean(dictionary_get(pkg_info, "pkg.configure.with-build-sysroot",
"false"));
if ( chdir(minfo->build_dir) != 0 )
error(1, errno, "chdir: `%s'", minfo->build_dir);
if ( subdir && chdir(subdir) != 0 )
error(1, errno, "chdir: `%s/%s'", minfo->build_dir, subdir);
if ( destdir )
setenv("DESTDIR", destdir, 1);
setenv("BUILD", minfo->build, 1);
setenv("HOST", minfo->host, 1);
setenv("TARGET", minfo->target, 1);
if ( minfo->prefix )
setenv("PREFIX", minfo->prefix, 1),
setenv("EXEC_PREFIX", join_paths(minfo->prefix, minfo->host), 1);
else
unsetenv("PREFIX"),
unsetenv("EXEC_PREFIX");
if ( !(with_sysroot || with_build_sysroot) && minfo->sysroot )
setenv("HOST_SYSTEM_ROOT", minfo->sysroot, 1);
if ( minfo->makeflags )
setenv("MAKEFLAGS", minfo->makeflags, 1);
setenv("MAKE", minfo->make, 1);
string_array_t env_vars = string_array_make();
string_array_append_token_string(&env_vars, make_extra_vars);
for ( size_t i = 0; i < env_vars.length; i++ )
{
char* key = env_vars.strings[i];
assert(key);
char* assignment = strchr((char*) key, '=');
if ( !assignment )
continue;
*assignment = '\0';
char* value = assignment+1;
setenv(key, value, 1);
}
const char* fixed_cmd_argv[] =
{
make,
NULL
};
string_array_t args = string_array_make();
for ( size_t i = 0; fixed_cmd_argv[i]; i++ )
string_array_append(&args, fixed_cmd_argv[i]);
string_array_append_token_string(&args, make_target);
string_array_append_token_string(&args, make_extra_args);
if ( !die_on_error )
string_array_append(&args, "-k");
string_array_append(&args, NULL);
if ( die_on_error )
recovery_execvp(args.strings[0], (char* const*) args.strings);
else
execvp(args.strings[0], (char* const*) args.strings);
error(127, errno, "`%s'", args.strings[0]);
}
}
void BuildPackage(metainfo_t* minfo)
{
// Detect which build system we are interfacing with.
string_array_t* pinfo = &minfo->package_info;
const char* build_system = dictionary_get(pinfo, "pkg.build-system");
assert(build_system);
// Determine whether need to do an out-of-directory build.
const char* use_build_dir_var =
dictionary_get(pinfo, "pkg.configure.use-build-directory", "false");
bool use_build_dir = parse_boolean(use_build_dir_var);
if ( use_build_dir )
{
minfo->build_dir = print_string("%s/tmppid.%ju", minfo->tmp,
(uintmax_t) getpid());
if ( mkdir_p(minfo->build_dir, 0777) != 0 )
error(1, errno, "mkdir: `%s'", minfo->build_dir);
}
else
minfo->build_dir = strdup(minfo->package_dir);
// Reset the build directory if needed.
const char* default_clean_target =
!strcmp(build_system, "configure") ? "distclean" : "clean";
const char* clean_target = dictionary_get(pinfo, "pkg.make.clean-target",
default_clean_target);
const char* ignore_clean_failure_var =
dictionary_get(pinfo, "pkg.make.ignore-clean-failure",
!strcmp(build_system, "configure") ? "true" : "false");
bool ignore_clean_failure = parse_boolean(ignore_clean_failure_var);
if ( SHOULD_DO_BUILD_STEP(BUILD_STEP_PRE_CLEAN, minfo) && !use_build_dir )
Make(minfo, clean_target, NULL, !ignore_clean_failure);
// Configure the build directory if needed.
if ( strcmp(build_system, "configure") == 0 &&
SHOULD_DO_BUILD_STEP(BUILD_STEP_CONFIGURE, minfo) )
Configure(minfo);
bool location_independent =
parse_boolean(dictionary_get(pinfo, "pkg.location-independent", "false"));
const char* subdir = dictionary_get(pinfo, "pkg.subdir", NULL);
const char* build_target = dictionary_get(pinfo, "pkg.make.build-target", "all");
const char* install_target = dictionary_get(pinfo, "pkg.make.install-target", "install");
if ( !location_independent && !minfo->prefix )
error(1, 0, "error: %s is not location independent and you need to "
"specify the intended destination prefix using --prefix or "
"PREFIX", minfo->package_name);
if ( SHOULD_DO_BUILD_STEP(BUILD_STEP_BUILD, minfo) )
Make(minfo, build_target, NULL, true, subdir);
char* tardir_rel = print_string("%s/%s", minfo->tmp, "tmp-tixbuild");
char* destdir_rel = print_string("%s/%s", minfo->tmp, "tmp-tixbuild/data");
char* tixdir_rel = print_string("%s/%s", minfo->tmp, "tmp-tixbuild/tix");
char* tixinfo_rel = print_string("%s/%s", minfo->tmp, "tmp-tixbuild/tix/tixinfo");
while ( mkdir(tardir_rel, 0777) != 0 )
{
if ( errno != EEXIST )
error(1, errno, "mkdir: `%s'", tardir_rel);
if ( rmdir(tardir_rel) != 0 )
error(1, errno, "rmdir: `%s'", tardir_rel);
}
if ( mkdir(destdir_rel, 0777) != 0 )
error(1, errno, "mkdir: `%s'", destdir_rel);
if ( mkdir(tixdir_rel, 0777) != 0 )
error(1, errno, "mkdir: `%s'", tixdir_rel);
char* destdir = canonicalize_file_name(destdir_rel);
if ( !destdir )
error(1, errno, "canonicalize_file_name: `%s'", destdir_rel);
if ( SHOULD_DO_BUILD_STEP(BUILD_STEP_INSTALL, minfo) )
Make(minfo, install_target, destdir, true, subdir);
const char* post_install_cmd = dictionary_get(pinfo, "pkg.post-install.cmd");
if ( post_install_cmd &&
SHOULD_DO_BUILD_STEP(BUILD_STEP_POST_INSTALL, minfo) &&
fork_and_wait_or_recovery() )
{
if ( chdir(minfo->package_dir) != 0 )
error(1, errno, "chdir: `%s'", minfo->package_dir);
setenv("TIX_BUILD_DIR", minfo->build_dir, 1);
setenv("TIX_SOURCE_DIR", minfo->package_dir, 1);
setenv("TIX_INSTALL_DIR", destdir, 1);
setenv("BUILD", minfo->build, 1);
setenv("HOST", minfo->host, 1);
setenv("TARGET", minfo->target, 1);
if ( minfo->prefix )
setenv("PREFIX", minfo->prefix, 1),
setenv("EXEC_PREFIX", join_paths(minfo->prefix, minfo->host), 1);
else
unsetenv("PREFIX"),
unsetenv("EXEC_PREFIX");
const char* cmd_argv[] =
{
post_install_cmd,
NULL
};
recovery_execvp(cmd_argv[0], (char* const*) cmd_argv);
error(127, errno, "%s", cmd_argv[0]);
}
const char* tix_ext = ".tix.tar.xz";
char* package_tix = print_string("%s/%s%s", minfo->destination,
minfo->package_name, tix_ext);
FILE* tixinfo_fp = fopen(tixinfo_rel, "w");
if ( !tixinfo_fp )
error(1, errno, "`%s'", tixinfo_rel);
const char* runtime_deps = dictionary_get(pinfo, "pkg.runtime-deps");
fprintf(tixinfo_fp, "tix.version=1\n");
fprintf(tixinfo_fp, "tix.class=tix\n");
fprintf(tixinfo_fp, "tix.platform=%s\n", minfo->host);
fprintf(tixinfo_fp, "pkg.name=%s\n", minfo->package_name);
if ( runtime_deps )
fprintf(tixinfo_fp, "pkg.runtime-deps=%s\n", runtime_deps);
if ( location_independent )
fprintf(tixinfo_fp, "pkg.location-independent=true\n");
else
fprintf(tixinfo_fp, "pkg.prefix=%s\n", minfo->prefix);
if ( ferror(tixinfo_fp) )
error(1, errno, "write: `%s'", tixinfo_rel);
fclose(tixinfo_fp);
if ( SHOULD_DO_BUILD_STEP(BUILD_STEP_PACKAGE, minfo) )
{
printf("Creating `%s'...\n", package_tix);
if ( fork_and_wait_or_recovery() )
{
const char* cmd_argv[] =
{
minfo->tar,
"-C", tardir_rel,
"--remove-files",
"--create",
"--xz",
"--file", package_tix,
"tix",
"data",
NULL
};
recovery_execvp(cmd_argv[0], (char* const*) cmd_argv);
error(127, errno, "%s", cmd_argv[0]);
}
}
unlink(tixinfo_rel);
rmdir(destdir_rel);
rmdir(tixdir_rel);
rmdir(tardir_rel);
free(tardir_rel);
free(destdir_rel);
free(tixdir_rel);
free(tixinfo_rel);
free(package_tix);
// Clean the build directory after the successful build.
if ( SHOULD_DO_BUILD_STEP(BUILD_STEP_POST_CLEAN, minfo) )
Make(minfo, clean_target, NULL, !ignore_clean_failure);
}
void VerifySourceTixInformation(metainfo_t* minfo)
{
const char* pipath = minfo->package_info_path;
string_array_t* pinfo = &minfo->package_info;
const char* tix_version = VerifyInfoVariable(pinfo, "tix.version", pipath);
if ( atoi(tix_version) != 1 )
error(1, 0, "error: `%s': tix version `%s' not supported", pipath,
tix_version);
const char* tix_class = VerifyInfoVariable(pinfo, "tix.class", pipath);
if ( !strcmp(tix_class, "tix") )
error(1, 0, "error: `%s': this object is a binary tix and is already "
"compiled.\n", pipath);
if ( strcmp(tix_class, "srctix") )
error(1, 0, "error: `%s': tix class `%s' is not `srctix': this object "
"is not suitable for compilation.", pipath, tix_class);
VerifyInfoVariable(pinfo, "pkg.name", pipath);
VerifyInfoVariable(pinfo, "pkg.build-system", pipath);
}
// TODO: The MAKEFLAGS variable is actually not in the same format as the token
// string language. It appears that GNU make doesn't escape " characters,
// but instead consider them normal characters. This should work as
// expected, though, as long as the MAKEFLAGS variable doesn't contain any
// quote characters.
void PurifyMakeflags()
{
const char* makeflags_environment = getenv("MAKEFLAGS");
if ( !makeflags_environment )
return;
string_array_t makeflags = string_array_make();
string_array_append_token_string(&makeflags, makeflags_environment);
// Discard all the environmental variables in MAKEFLAGS.
for ( size_t i = 0; i < makeflags.length; i++ )
{
char* flag = makeflags.strings[i];
assert(flag);
if ( flag[0] == '-' )
continue;
if ( !strchr(flag, '=') )
continue;
free(flag);
for ( size_t n = i + 1; n < makeflags.length; n++ )
makeflags.strings[n-1] = makeflags.strings[n];
makeflags.length--;
i--;
}
char* new_makeflags_environment = token_string_of_string_array(&makeflags);
assert(new_makeflags_environment);
setenv("MAKEFLAGS", new_makeflags_environment, 1);
free(new_makeflags_environment);
string_array_reset(&makeflags);
}
void Usage(FILE* fp, const char* argv0)
{
fprintf(fp, "Usage: %s [OPTION]... PACKAGE\n", argv0);
fprintf(fp, "Compile a source tix into a tix suitable for installation.\n");
}
void Help(FILE* fp, const char* argv0)
{
Usage(fp, argv0);
}
void Version(FILE* fp, const char* argv0)
{
Usage(fp, argv0);
}
int main(int argc, char* argv[])
{
PurifyMakeflags();
metainfo_t minfo;
minfo.build = NULL;
minfo.destination = strdup(getenv_def("TIX_BUILD_DESTINATION", "."));
minfo.host = NULL;
minfo.makeflags = strdup_null(getenv_def("MAKEFLAGS", NULL));
minfo.make = strdup(getenv_def("MAKE", "make"));
minfo.prefix = strdup_null(getenv_def("PREFIX", NULL));
minfo.sysroot = strdup_null(getenv_def("HOST_SYSTEM_ROOT", NULL));
minfo.target = NULL;
minfo.tar = strdup(getenv_def("TAR", "tar"));
minfo.tmp = strdup(getenv_def("BUILDTMP", "."));
char* start_step_string = strdup("start");
char* end_step_string = strdup("end");
const char* argv0 = argv[0];
for ( int i = 0; i < argc; i++ )
{
const char* arg = argv[i];
if ( arg[0] != '-' )
continue;
argv[i] = NULL;
if ( !strcmp(arg, "--") )
break;
if ( arg[1] != '-' )
{
while ( char c = *++arg ) switch ( c )
{
default:
fprintf(stderr, "%s: unknown option -- `%c'\n", argv0, c);
Usage(stderr, argv0);
exit(1);
}
}
else if ( !strcmp(arg, "--help") ) { Help(stdout, argv0); exit(0); }
else if ( !strcmp(arg, "--usage") ) { Usage(stdout, argv0); exit(0); }
else if ( !strcmp(arg, "--version") ) { Version(stdout, argv0); exit(0); }
else if ( GET_OPTION_VARIABLE("--build", &minfo.build) ) { }
else if ( GET_OPTION_VARIABLE("--destination", &minfo.destination) ) { }
else if ( GET_OPTION_VARIABLE("--end", &end_step_string) ) { }
else if ( GET_OPTION_VARIABLE("--host", &minfo.host) ) { }
else if ( GET_OPTION_VARIABLE("--makeflags", &minfo.makeflags) ) { }
else if ( GET_OPTION_VARIABLE("--make", &minfo.make) ) { }
else if ( GET_OPTION_VARIABLE("--prefix", &minfo.prefix) ) { }
else if ( GET_OPTION_VARIABLE("--start", &start_step_string) ) { }
else if ( GET_OPTION_VARIABLE("--sysroot", &minfo.sysroot) ) { }
else if ( GET_OPTION_VARIABLE("--target", &minfo.target) ) { }
else if ( GET_OPTION_VARIABLE("--tar", &minfo.tar) ) { }
else if ( GET_OPTION_VARIABLE("--tmp", &minfo.tmp) ) { }
else
{
fprintf(stderr, "%s: unknown option: `%s'\n", argv0, arg);
Usage(stderr, argv0);
exit(1);
}
}
if ( !(minfo.start_step = step_of_step_name(start_step_string)) )
{
fprintf(stderr, "%s: no such step `%s'\n", argv0, start_step_string);
Usage(stderr, argv0);
exit(1);
}
if ( !(minfo.end_step = step_of_step_name(end_step_string)) )
{
fprintf(stderr, "%s: no such step `%s'\n", argv0, end_step_string);
Usage(stderr, argv0);
exit(1);
}
if ( argc == 1 )
{
Usage(stdout, argv0);
exit(0);
}
CompactArguments(&argc, &argv);
if ( minfo.prefix && !strcmp(minfo.prefix, "/") )
minfo.prefix[0] = '\0';
if ( argc < 2 )
{
fprintf(stderr, "%s: no package specified\n", argv0);
Usage(stderr, argv0);
exit(1);
}
if ( 2 < argc )
{
fprintf(stderr, "%s: unexpected extra operand `%s'\n", argv0, argv[2]);
Usage(stderr, argv0);
exit(1);
}
minfo.package_dir = canonicalize_file_name(argv[1]);
if ( !minfo.package_dir )
error(1, errno, "canonicalize_file_name: `%s'", argv[1]);
if ( !minfo.build && !(minfo.build = GetBuildTriplet()) )
error(1, errno, "unable to determine host, use --host or BUILD");
if ( !minfo.host && !(minfo.host = strdup_null(getenv("HOST"))) )
minfo.host = strdup(minfo.build);
if ( !minfo.target && !(minfo.target = strdup_null(getenv("TARGET"))) )
minfo.target = strdup(minfo.host);
if ( !IsDirectory(minfo.package_dir) )
error(1, errno, "`%s'", minfo.package_dir);
minfo.package_info_path = print_string("%s/tixbuildinfo",
minfo.package_dir);
string_array_t* package_info = &(minfo.package_info = string_array_make());
if ( !dictionary_append_file_path(package_info, minfo.package_info_path) )
{
if ( errno == ENOENT )
fprintf(stderr, "%s: `%s' doesn't appear to be a source .tix:\n",
argv0, minfo.package_dir);
error(1, errno, "`%s'", minfo.package_info_path);
}
VerifySourceTixInformation(&minfo);
minfo.package_name = strdup(dictionary_get(package_info, "pkg.name"));
emit_pkg_config_wrapper(&minfo);
BuildPackage(&minfo);
return 0;
}
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