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configure.c
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configure.c
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/* configure.c - core analysis suite
*
* Copyright (C) 1999, 2000, 2001, 2002 Mission Critical Linux, Inc.
* Copyright (C) 2002-2013 David Anderson
* Copyright (C) 2002-2013 Red Hat, Inc. All rights reserved.
*
* This program 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 2 of the License, or
* (at your option) any later version.
*
* This program 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.
*/
/*
* define, clear and undef dynamically update the top-level Makefile:
*
* -b define: TARGET, GDB, GDB_FILES, GDB_OFILES, GDB_PATCH_FILES,
* TARGET_CFLAGS, LDFLAGS, GDB_CONF_FLAGS and GPL_FILES
* create: build_data.c
*
* -d define: TARGET, GDB, GDB_FILES, GDB_OFILES, GDB_PATCH_FILES,
* TARGET_CFLAGS, LDFLAGS, GDB_CONF_FLAGS and PROGRAM (for daemon)
* create: build_data.c
*
* -u clear: TARGET, GDB, GDB_FILES, GDB_OFILES, VERSION, GDB_PATCH_FILES,
* TARGET_CFLAGS, LDFLAGS, GDB_CONF_FLAGS and GPL_FILES
* undef: WARNING_ERROR, WARNING_OPTIONS
*
* -r define: GDB_FILES, VERSION, GDB_PATCH_FILES GPL_FILES
*
* -w define: WARNING_OPTIONS
* undef: WARNING_ERROR
*
* -W define: WARNING_ERROR, WARNING_OPTIONS
*
* -n undef: WARNING_ERROR, WARNING_OPTIONS
*
* -g define: GDB
*
* -p Create or remove .rh_rpm_package file
*
* -q Don't print configuration
*
* -s Create crash.spec file
*
* -x Add extra libraries/flags to build
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include <unistd.h>
#include <ctype.h>
struct supported_gdb_version;
void build_configure(struct supported_gdb_version *);
void release_configure(char *, struct supported_gdb_version *);
void make_rh_rpm_package(char *, int);
void unconfigure(void);
void set_warnings(int);
void show_configuration(void);
void target_rebuild_instructions(struct supported_gdb_version *, char *);
void arch_mismatch(struct supported_gdb_version *);
void get_current_configuration(struct supported_gdb_version *);
void makefile_setup(FILE **, FILE **);
void makefile_create(FILE **, FILE **);
char *strip_linefeeds(char *);
char *upper_case(char *, char *);
char *lower_case(char *, char *);
char *shift_string_left(char *, int);
char *shift_string_right(char *, int);
char *strip_beginning_whitespace(char *);
char *strip_ending_whitespace(char *);
char *strip_linefeeds(char *);
int file_exists(char *);
int count_chars(char *, char);
void make_build_data(char *);
void gdb_configure(struct supported_gdb_version *);
int parse_line(char *, char **);
struct supported_gdb_version *setup_gdb_defaults(void);
struct supported_gdb_version *store_gdb_defaults(struct supported_gdb_version *);
void make_spec_file(struct supported_gdb_version *);
void set_initial_target(struct supported_gdb_version *);
char *target_to_name(int);
int name_to_target(char *);
char *get_extra_flags(char *, char *);
void add_extra_lib(char *);
#define TRUE 1
#define FALSE 0
#undef X86
#undef ALPHA
#undef PPC
#undef IA64
#undef S390
#undef S390X
#undef PPC64
#undef X86_64
#undef ARM
#undef ARM64
#define UNKNOWN 0
#define X86 1
#define ALPHA 2
#define PPC 3
#define IA64 4
#define S390 5
#define S390X 6
#define PPC64 7
#define X86_64 8
#define ARM 9
#define ARM64 10
#define TARGET_X86 "TARGET=X86"
#define TARGET_ALPHA "TARGET=ALPHA"
#define TARGET_PPC "TARGET=PPC"
#define TARGET_IA64 "TARGET=IA64"
#define TARGET_S390 "TARGET=S390"
#define TARGET_S390X "TARGET=S390X"
#define TARGET_PPC64 "TARGET=PPC64"
#define TARGET_X86_64 "TARGET=X86_64"
#define TARGET_ARM "TARGET=ARM"
#define TARGET_ARM64 "TARGET=ARM64"
#define TARGET_CFLAGS_X86 "TARGET_CFLAGS=-D_FILE_OFFSET_BITS=64"
#define TARGET_CFLAGS_ALPHA "TARGET_CFLAGS="
#define TARGET_CFLAGS_PPC "TARGET_CFLAGS=-D_FILE_OFFSET_BITS=64"
#define TARGET_CFLAGS_IA64 "TARGET_CFLAGS="
#define TARGET_CFLAGS_S390 "TARGET_CFLAGS=-D_FILE_OFFSET_BITS=64"
#define TARGET_CFLAGS_S390X "TARGET_CFLAGS="
#define TARGET_CFLAGS_PPC64 "TARGET_CFLAGS=-m64"
#define TARGET_CFLAGS_X86_64 "TARGET_CFLAGS="
#define TARGET_CFLAGS_ARM "TARGET_CFLAGS=-D_FILE_OFFSET_BITS=64"
#define TARGET_CFLAGS_ARM_ON_X86 "TARGET_CFLAGS=-D_FILE_OFFSET_BITS=64"
#define TARGET_CFLAGS_ARM_ON_X86_64 "TARGET_CFLAGS=-m32 -D_FILE_OFFSET_BITS=64"
#define TARGET_CFLAGS_X86_ON_X86_64 "TARGET_CFLAGS=-m32 -D_FILE_OFFSET_BITS=64"
#define TARGET_CFLAGS_PPC_ON_PPC64 "TARGET_CFLAGS=-m32 -D_FILE_OFFSET_BITS=64 -fPIC"
#define TARGET_CFLAGS_ARM64 "TARGET_CFLAGS="
#define TARGET_CFLAGS_ARM64_ON_X86_64 "TARGET_CFLAGS="
#define GDB_TARGET_DEFAULT "GDB_CONF_FLAGS="
#define GDB_TARGET_ARM_ON_X86 "GDB_CONF_FLAGS=--target=arm-elf-linux"
#define GDB_TARGET_ARM_ON_X86_64 "GDB_CONF_FLAGS=--target=arm-elf-linux CFLAGS=-m32"
#define GDB_TARGET_X86_ON_X86_64 "GDB_CONF_FLAGS=--target=i686-pc-linux-gnu CFLAGS=-m32"
#define GDB_TARGET_PPC_ON_PPC64 "GDB_CONF_FLAGS=--target=ppc-elf-linux CFLAGS=-m32"
#define GDB_TARGET_ARM64_ON_X86_64 "GDB_CONF_FLAGS=--target=aarch64-elf-linux" /* TBD */
/*
* The original plan was to allow the use of a particular version
* of gdb for a given architecture. But for practical purposes,
* it's a one-size-fits-all scheme, and they all use the default
* unless overridden.
*/
#define GDB_5_3 (0)
#define GDB_6_0 (1)
#define GDB_6_1 (2)
#define GDB_7_0 (3)
#define GDB_7_3_1 (4)
#define GDB_7_6 (5)
#define SUPPORTED_GDB_VERSIONS (GDB_7_6 + 1)
int default_gdb = GDB_7_6;
struct supported_gdb_version {
char *GDB;
char *GDB_VERSION_IN;
char *GDB_FILES;
char *GDB_OFILES;
char *GDB_PATCH_FILES;
char *GDB_FLAGS;
char *GPL;
} supported_gdb_versions[SUPPORTED_GDB_VERSIONS] = {
{
"GDB=gdb-5.3post-0.20021129.36rh",
"Red Hat Linux (5.3post-0.20021129.36rh)",
"GDB_FILES=${GDB_5.3post-0.20021129.36rh_FILES}",
"GDB_OFILES=${GDB_5.3post-0.20021129.36rh_OFILES}",
"GDB_PATCH_FILES=",
"GDB_FLAGS=-DGDB_5_3",
"GPLv2"
},
{
"GDB=gdb-6.0",
"6.0",
"GDB_FILES=${GDB_6.0_FILES}",
"GDB_OFILES=${GDB_6.0_OFILES}",
"GDB_PATCH_FILES=",
"GDB_FLAGS=-DGDB_6_0",
"GPLv2"
},
{
"GDB=gdb-6.1",
"6.1",
"GDB_FILES=${GDB_6.1_FILES}",
"GDB_OFILES=${GDB_6.1_OFILES}",
"GDB_PATCH_FILES=gdb-6.1.patch",
"GDB_FLAGS=-DGDB_6_1",
"GPLv2"
},
{
"GDB=gdb-7.0",
"7.0",
"GDB_FILES=${GDB_7.0_FILES}",
"GDB_OFILES=${GDB_7.0_OFILES}",
"GDB_PATCH_FILES=gdb-7.0.patch",
"GDB_FLAGS=-DGDB_7_0",
"GPLv3"
},
{
"GDB=gdb-7.3.1",
"7.3.1",
"GDB_FILES=${GDB_7.3.1_FILES}",
"GDB_OFILES=${GDB_7.3.1_OFILES}",
"GDB_PATCH_FILES=gdb-7.3.1.patch",
"GDB_FLAGS=-DGDB_7_3_1",
"GPLv3"
},
{
"GDB=gdb-7.6",
"7.6",
"GDB_FILES=${GDB_7.6_FILES}",
"GDB_OFILES=${GDB_7.6_OFILES}",
"GDB_PATCH_FILES=gdb-7.6.patch",
"GDB_FLAGS=-DGDB_7_6",
"GPLv3"
},
};
#define DAEMON 0x1
#define QUIET 0x2
#define MAXSTRLEN 256
#define MIN(a,b) (((a)<(b))?(a):(b))
struct target_data {
int target;
int host;
int initial_gdb_target;
int flags;
char program[MAXSTRLEN];
char gdb_version[MAXSTRLEN];
char release[MAXSTRLEN];
struct stat statbuf;
const char *target_as_param;
} target_data = { 0 };
int
main(int argc, char **argv)
{
int c;
struct supported_gdb_version *sp;
sp = setup_gdb_defaults();
while ((c = getopt(argc, argv, "gsqnWwubdr:p:P:t:x:")) > 0) {
switch (c) {
case 'q':
target_data.flags |= QUIET;
break;
case 'u':
unconfigure();
break;
case 'd':
target_data.flags |= DAEMON;
case 'b':
build_configure(sp);
break;
case 'r':
release_configure(optarg, sp);
break;
case 'p':
make_rh_rpm_package(optarg, 0);
break;
case 'P':
make_rh_rpm_package(optarg, 1);
break;
case 'W':
case 'w':
case 'n':
set_warnings(c);
break;
case 's':
make_spec_file(sp);
break;
case 'g':
gdb_configure(sp);
break;
case 't':
target_data.target_as_param = optarg;
break;
case 'x':
add_extra_lib(optarg);
break;
}
}
exit(0);
}
void
target_rebuild_instructions(struct supported_gdb_version *sp, char *target)
{
fprintf(stderr,
"\nIn order to build a crash binary for the %s architecture:\n",
target);
fprintf(stderr, " 1. remove the %s subdirectory\n",
&sp->GDB[strlen("GDB=")]);
fprintf(stderr, " 2. perform a \"make clean\"\n");
fprintf(stderr, " 3. retry the build\n\n");
}
void
arch_mismatch(struct supported_gdb_version *sp)
{
fprintf(stderr,
"\nThe initial build in this source tree was for the %s architecture.\n",
target_to_name(target_data.initial_gdb_target));
target_rebuild_instructions(sp, target_to_name(target_data.target));
exit(1);
}
void
get_current_configuration(struct supported_gdb_version *sp)
{
FILE *fp;
static char buf[512];
char *p;
#ifdef __alpha__
target_data.target = ALPHA;
#endif
#ifdef __i386__
target_data.target = X86;
#endif
#ifdef __powerpc__
target_data.target = PPC;
#endif
#ifdef __ia64__
target_data.target = IA64;
#endif
#ifdef __s390__
target_data.target = S390;
#endif
#ifdef __s390x__
target_data.target = S390X;
#endif
#ifdef __powerpc64__
target_data.target = PPC64;
#endif
#ifdef __x86_64__
target_data.target = X86_64;
#endif
#ifdef __arm__
target_data.target = ARM;
#endif
#ifdef __aarch64__
target_data.target = ARM64;
#endif
set_initial_target(sp);
/*
* Override target if specified on command line.
*/
target_data.host = target_data.target;
if (target_data.target_as_param) {
if ((target_data.target == X86 || target_data.target == X86_64) &&
(name_to_target((char *)target_data.target_as_param) == ARM)) {
/*
* Debugging of ARM core files supported on X86, and on
* X86_64 when built as a 32-bit executable.
*/
target_data.target = ARM;
} else if ((target_data.target == X86_64) &&
(name_to_target((char *)target_data.target_as_param) == X86)) {
/*
* Build an X86 crash binary on an X86_64 host.
*/
target_data.target = X86;
} else if ((target_data.target == X86_64) &&
(name_to_target((char *)target_data.target_as_param) == ARM64)) {
/*
* Build an ARM64 crash binary on an X86_64 host.
*/
target_data.target = ARM64;
} else if ((target_data.target == PPC64) &&
(name_to_target((char *)target_data.target_as_param) == PPC)) {
/*
* Build an PPC crash binary on an PPC64 host.
*/
target_data.target = PPC;
} else if (name_to_target((char *)target_data.target_as_param) ==
target_data.host) {
if ((target_data.initial_gdb_target != UNKNOWN) &&
(target_data.host != target_data.initial_gdb_target))
arch_mismatch(sp);
} else {
fprintf(stderr,
"\ntarget=%s is not supported on the %s host architecture\n\n",
target_data.target_as_param,
target_to_name(target_data.host));
exit(1);
}
}
/*
* Impose implied (sticky) target if an initial build has been
* done in the source tree.
*/
if (target_data.initial_gdb_target &&
(target_data.target != target_data.initial_gdb_target)) {
if ((target_data.initial_gdb_target == ARM) &&
(target_data.target != ARM)) {
if ((target_data.target == X86) ||
(target_data.target == X86_64))
target_data.target = ARM;
else
arch_mismatch(sp);
}
if ((target_data.target == ARM) &&
(target_data.initial_gdb_target != ARM))
arch_mismatch(sp);
if ((target_data.initial_gdb_target == X86) &&
(target_data.target != X86)) {
if (target_data.target == X86_64)
target_data.target = X86;
else
arch_mismatch(sp);
}
if ((target_data.target == X86) &&
(target_data.initial_gdb_target != X86))
arch_mismatch(sp);
if ((target_data.initial_gdb_target == ARM64) &&
(target_data.target != ARM64)) {
if (target_data.target == X86_64)
target_data.target = ARM64;
else
arch_mismatch(sp);
}
if ((target_data.target == ARM64) &&
(target_data.initial_gdb_target != ARM64))
arch_mismatch(sp);
if ((target_data.initial_gdb_target == PPC) &&
(target_data.target != PPC)) {
if (target_data.target == PPC64)
target_data.target = PPC;
else
arch_mismatch(sp);
}
if ((target_data.target == PPC) &&
(target_data.initial_gdb_target != PPC))
arch_mismatch(sp);
}
if ((fp = fopen("Makefile", "r")) == NULL) {
perror("Makefile");
goto get_release;
}
while (fgets(buf, 512, fp)) {
if (strncmp(buf, "PROGRAM=", strlen("PROGRAM=")) == 0) {
p = strstr(buf, "=") + 1;
strip_linefeeds(p);
upper_case(p, target_data.program);
if (target_data.flags & DAEMON)
strcat(target_data.program, "D");
continue;
}
}
fclose(fp);
get_release:
target_data.release[0] = '\0';
if (file_exists(".rh_rpm_package")) {
if ((fp = fopen(".rh_rpm_package", "r")) == NULL) {
perror(".rh_rpm_package");
} else {
if (fgets(buf, 512, fp)) {
strip_linefeeds(buf);
if (strlen(buf)) {
buf[MAXSTRLEN-1] = '\0';
strcpy(target_data.release, buf);
} else
fprintf(stderr,
"WARNING: .rh_rpm_package file is empty!\n");
} else
fprintf(stderr,
"WARNING: .rh_rpm_package file is empty!\n");
fclose(fp);
if (strlen(target_data.release))
return;
}
} else
fprintf(stderr,
"WARNING: .rh_rpm_package file does not exist!\n");
if ((fp = fopen("defs.h", "r")) == NULL) {
perror("defs.h");
return;
}
while (fgets(buf, 512, fp)) {
if (strncmp(buf, "#define BASELEVEL_REVISION",
strlen("#define BASELEVEL_REVISION")) == 0) {
p = strstr(buf, "\"") + 1;
strip_linefeeds(p);
p[strlen(p)-1] = '\0';
strcpy(target_data.release, p);
break;
}
}
fclose(fp);
}
void
show_configuration(void)
{
int i;
if (target_data.flags & QUIET)
return;
switch (target_data.target)
{
case X86:
printf("TARGET: X86\n");
break;
case ALPHA:
printf("TARGET: ALPHA\n");
break;
case PPC:
printf("TARGET: PPC\n");
break;
case IA64:
printf("TARGET: IA64\n");
break;
case S390:
printf("TARGET: S390\n");
break;
case S390X:
printf("TARGET: S390X\n");
break;
case PPC64:
printf("TARGET: PPC64\n");
break;
case X86_64:
printf("TARGET: X86_64\n");
break;
case ARM:
printf("TARGET: ARM\n");
break;
case ARM64:
printf("TARGET: ARM64\n");
break;
}
if (strlen(target_data.program)) {
for (i = 0; i < (strlen("TARGET")-strlen(target_data.program));
i++)
printf(" ");
printf("%s: ", target_data.program);
if (strlen(target_data.release))
printf("%s\n", target_data.release);
else
printf("???\n");
}
if (strlen(target_data.gdb_version))
printf(" GDB: %s\n\n", &target_data.gdb_version[4]);
}
void
build_configure(struct supported_gdb_version *sp)
{
FILE *fp1, *fp2;
char buf[512];
char *target;
char *target_CFLAGS;
char *gdb_conf_flags;
char *ldflags;
char *cflags;
get_current_configuration(sp);
target = target_CFLAGS = NULL;
gdb_conf_flags = GDB_TARGET_DEFAULT;
switch (target_data.target)
{
case X86:
target = TARGET_X86;
if (target_data.host == X86_64) {
target_CFLAGS = TARGET_CFLAGS_X86_ON_X86_64;
gdb_conf_flags = GDB_TARGET_X86_ON_X86_64;
} else
target_CFLAGS = TARGET_CFLAGS_X86;
break;
case ALPHA:
target = TARGET_ALPHA;
target_CFLAGS = TARGET_CFLAGS_ALPHA;
break;
case PPC:
target = TARGET_PPC;
if (target_data.host == PPC64) {
target_CFLAGS = TARGET_CFLAGS_PPC_ON_PPC64;
gdb_conf_flags = GDB_TARGET_PPC_ON_PPC64;
} else
target_CFLAGS = TARGET_CFLAGS_PPC;
break;
case IA64:
target = TARGET_IA64;
target_CFLAGS = TARGET_CFLAGS_IA64;
break;
case S390:
target = TARGET_S390;
target_CFLAGS = TARGET_CFLAGS_S390;
break;
case S390X:
target = TARGET_S390X;
target_CFLAGS = TARGET_CFLAGS_S390X;
break;
case PPC64:
target = TARGET_PPC64;
target_CFLAGS = TARGET_CFLAGS_PPC64;
break;
case X86_64:
target = TARGET_X86_64;
target_CFLAGS = TARGET_CFLAGS_X86_64;
break;
case ARM:
target = TARGET_ARM;
if (target_data.host == X86) {
target_CFLAGS = TARGET_CFLAGS_ARM_ON_X86;
gdb_conf_flags = GDB_TARGET_ARM_ON_X86;
} else if (target_data.host == X86_64) {
target_CFLAGS = TARGET_CFLAGS_ARM_ON_X86_64;
gdb_conf_flags = GDB_TARGET_ARM_ON_X86_64;
} else
target_CFLAGS = TARGET_CFLAGS_ARM;
break;
case ARM64:
target = TARGET_ARM64;
if (target_data.host == X86_64) {
target_CFLAGS = TARGET_CFLAGS_ARM64_ON_X86_64;
gdb_conf_flags = GDB_TARGET_ARM64_ON_X86_64;
} else
target_CFLAGS = TARGET_CFLAGS_ARM64;
break;
}
ldflags = get_extra_flags("LDFLAGS.extra", NULL);
cflags = get_extra_flags("CFLAGS.extra", NULL);
gdb_conf_flags = get_extra_flags("GDBFLAGS.extra", gdb_conf_flags);
makefile_setup(&fp1, &fp2);
while (fgets(buf, 512, fp1)) {
if (strncmp(buf, "TARGET=", strlen("TARGET=")) == 0)
fprintf(fp2, "%s\n", target);
else if (strncmp(buf, "TARGET_CFLAGS=",
strlen("TARGET_CFLAGS=")) == 0)
fprintf(fp2, "%s%s%s\n", target_CFLAGS,
cflags ? " " : "", cflags ? cflags : "");
else if (strncmp(buf, "GDB_CONF_FLAGS=",
strlen("GDB_CONF_FLAGS=")) == 0)
fprintf(fp2, "%s\n", gdb_conf_flags);
else if (strncmp(buf, "GDB_FILES=",strlen("GDB_FILES=")) == 0)
fprintf(fp2, "%s\n", sp->GDB_FILES);
else if (strncmp(buf, "GDB_OFILES=",strlen("GDB_OFILES=")) == 0)
fprintf(fp2, "%s\n", sp->GDB_OFILES);
else if (strncmp(buf, "GDB_PATCH_FILES=",strlen("GDB_PATCH_FILES=")) == 0)
fprintf(fp2, "%s\n", sp->GDB_PATCH_FILES);
else if (strncmp(buf, "GDB_FLAGS=",strlen("GDB_FLAGS=")) == 0)
fprintf(fp2, "%s\n", sp->GDB_FLAGS);
else if (strncmp(buf, "GPL_FILES=", strlen("GPL_FILES=")) == 0)
fprintf(fp2, "GPL_FILES=%s\n", strcmp(sp->GPL, "GPLv2") == 0 ?
"COPYING" : "COPYING3");
else if (strncmp(buf, "GDB=", strlen("GDB=")) == 0) {
fprintf(fp2, "%s\n", sp->GDB);
sprintf(target_data.gdb_version, "%s", &sp->GDB[4]);
} else if (strncmp(buf, "LDFLAGS=", strlen("LDFLAGS=")) == 0) {
fprintf(fp2, "LDFLAGS=%s\n", ldflags ? ldflags : "");
} else
fprintf(fp2, "%s", buf);
}
makefile_create(&fp1, &fp2);
show_configuration();
make_build_data(&target[strlen("TARGET=")]);
}
void
release_configure(char *gdb_version, struct supported_gdb_version *sp)
{
FILE *fp1, *fp2;
int found;
char buf[512];
char gdb_files[MAXSTRLEN];
get_current_configuration(sp);
sprintf(buf, "%s/gdb", gdb_version);
if (!file_exists(buf)) {
fprintf(stderr, "make release: no such directory: %s\n", buf);
exit(1);
}
sprintf(gdb_files, "GDB_%s_FILES",
&gdb_version[strlen("gdb-")]);
makefile_setup(&fp1, &fp2);
found = 0;
while (fgets(buf, 512, fp1)) {
if (strncmp(buf, gdb_files, strlen(gdb_files)) == 0)
found++;
if (strncmp(buf, "GDB_FILES=", strlen("GDB_FILES=")) == 0)
fprintf(fp2, "GDB_FILES=${%s}\n", gdb_files);
else if (strncmp(buf, "VERSION=", strlen("VERSION=")) == 0)
fprintf(fp2, "VERSION=%s\n",
target_data.release);
else if (strncmp(buf, "GDB_PATCH_FILES=", strlen("GDB_PATCH_FILES=")) == 0)
fprintf(fp2, "%s\n", sp->GDB_PATCH_FILES);
else if (strncmp(buf, "GPL_FILES=", strlen("GPL_FILES=")) == 0)
fprintf(fp2, "GPL_FILES=%s\n", strcmp(sp->GPL, "GPLv2") == 0 ?
"COPYING" : "COPYING3");
else
fprintf(fp2, "%s", buf);
}
if (!found) {
fprintf(stderr, "make release: cannot find %s\n", gdb_files);
exit(1);
}
makefile_create(&fp1, &fp2);
}
/*
* Create an .rh_rpm_package file if the passed-in variable is set.
*/
void
make_rh_rpm_package(char *package, int release)
{
char *p, *cur;
FILE *fp;
char buf[256];
if ((strcmp(package, "remove") == 0)) {
if (file_exists(".rh_rpm_package")) {
if (unlink(".rh_rpm_package")) {
perror("unlink");
fprintf(stderr,
"cannot remove .rh_rpm_package\n");
exit(1);
}
}
return;
}
if (!(p = strstr(package, "=")))
return;
if (!strlen(++p))
return;
if (release) {
if (!(fp = popen("./crash -v", "r"))) {
fprintf(stderr, "cannot execute \"crash -v\"\n");
exit(1);
}
cur = NULL;
while (fgets(buf, 256, fp)) {
if (strncmp(buf, "crash ", 6) == 0) {
cur = &buf[6];
break;
}
}
pclose(fp);
if (!cur) {
fprintf(stderr, "cannot get version from \"crash -v\"\n");
exit(1);
}
strip_linefeeds(cur);
if (strcmp(cur, p) != 0) {
fprintf(stderr, "./crash version: %s\n", cur);
fprintf(stderr, "release version: %s\n", p);
exit(1);
}
}
if ((fp = fopen(".rh_rpm_package", "w")) == NULL) {
perror("fopen");
fprintf(stderr, "cannot open .rh_rpm_package\n");
exit(1);
}
fprintf(fp, "%s\n", strip_linefeeds(p));
fclose(fp);
}
void
gdb_configure(struct supported_gdb_version *sp)
{
FILE *fp1, *fp2;
char buf[512];
get_current_configuration(sp);
makefile_setup(&fp1, &fp2);
while (fgets(buf, 512, fp1)) {
if (strncmp(buf, "GDB=", strlen("GDB=")) == 0)
fprintf(fp2, "%s\n", sp->GDB);
else
fprintf(fp2, "%s", buf);
}
makefile_create(&fp1, &fp2);
}
void
unconfigure(void)
{
FILE *fp1, *fp2;
char buf[512];
makefile_setup(&fp1, &fp2);
while (fgets(buf, 512, fp1)) {
if (strncmp(buf, "TARGET=", strlen("TARGET=")) == 0)
fprintf(fp2, "TARGET=\n");
else if (strncmp(buf, "TARGET_CFLAGS=",
strlen("TARGET_CFLAGS=")) == 0)
fprintf(fp2, "TARGET_CFLAGS=\n");
else if (strncmp(buf, "GDB_CONF_FLAGS=",
strlen("GDB_CONF_FLAGS=")) == 0)
fprintf(fp2, "GDB_CONF_FLAGS=\n");
else if (strncmp(buf, "GDB_FILES=",strlen("GDB_FILES=")) == 0)
fprintf(fp2, "GDB_FILES=\n");
else if (strncmp(buf, "GDB_OFILES=",strlen("GDB_OFILES=")) == 0)
fprintf(fp2, "GDB_OFILES=\n");
else if (strncmp(buf, "GDB_PATCH_FILES=",strlen("GDB_PATCH_FILES=")) == 0)
fprintf(fp2, "GDB_PATCH_FILES=\n");
else if (strncmp(buf, "GDB_FLAGS=",strlen("GDB_FLAGS=")) == 0)
fprintf(fp2, "GDB_FLAGS=\n");
else if (strncmp(buf, "GDB=", strlen("GDB=")) == 0)
fprintf(fp2, "GDB=\n");
else if (strncmp(buf, "VERSION=", strlen("VERSION=")) == 0)
fprintf(fp2, "VERSION=\n");
else if (strncmp(buf, "GPL_FILES=", strlen("GPL_FILES=")) == 0)
fprintf(fp2, "GPL_FILES=\n");
else if (strncmp(buf, "LDFLAGS=", strlen("LDFLAGS=")) == 0)
fprintf(fp2, "LDFLAGS=\n");
else if (strncmp(buf, "WARNING_ERROR=",
strlen("WARNING_ERROR=")) == 0) {
shift_string_right(buf, 1);
buf[0] = '#';
fprintf(fp2, "%s", buf);
} else if (strncmp(buf, "WARNING_OPTIONS=",
strlen("WARNING_OPTIONS=")) == 0) {
shift_string_right(buf, 1);
buf[0] = '#';
fprintf(fp2, "%s", buf);
} else
fprintf(fp2, "%s", buf);
}
makefile_create(&fp1, &fp2);
}
void
set_warnings(int w)
{
FILE *fp1, *fp2;
char buf[512];
makefile_setup(&fp1, &fp2);
while (fgets(buf, 512, fp1)) {
if (strncmp(buf, "#WARNING_ERROR=",
strlen("#WARNING_ERROR=")) == 0) {
switch (w)
{
case 'W':
shift_string_left(buf, 1);
break;
case 'w':
case 'n':
break;
}
}
if (strncmp(buf, "WARNING_ERROR=",
strlen("WARNING_ERROR=")) == 0) {
switch (w)
{
case 'n':
case 'w':
shift_string_right(buf, 1);
buf[0] = '#';
break;
case 'W':
break;
}
}
if (strncmp(buf, "#WARNING_OPTIONS=",
strlen("#WARNING_OPTIONS=")) == 0) {
switch (w)
{
case 'W':
case 'w':
shift_string_left(buf, 1);
break;
case 'n':
break;
}
}
if (strncmp(buf, "WARNING_OPTIONS=",
strlen("WARNING_OPTIONS=")) == 0) {
switch (w)
{
case 'w':
case 'W':
break;
case 'n':
shift_string_right(buf, 1);
buf[0] = '#';
break;
}
}
fprintf(fp2, "%s", buf);
}
makefile_create(&fp1, &fp2);
}
void
makefile_setup(FILE **fp1, FILE **fp2)
{
if (stat("Makefile", &target_data.statbuf) == -1) {
perror("Makefile");
exit(1);
}
if ((*fp1 = fopen("Makefile", "r")) == NULL) {
perror("fopen");
fprintf(stderr, "cannot open existing Makefile\n");
exit(1);
}
unlink("Makefile.new");
if ((*fp2 = fopen("Makefile.new", "w+")) == NULL) {
perror("fopen");
fprintf(stderr, "cannot create new Makefile\n");
exit(1);
}
}
void
makefile_create(FILE **fp1, FILE **fp2)
{
fclose(*fp1);
fclose(*fp2);
if (system("mv Makefile.new Makefile") != 0) {
fprintf(stderr, "Makefile: cannot create new Makefile\n");
fprintf(stderr, "please copy Makefile.new to Makefile\n");
exit(1);
}
if (chown("Makefile", target_data.statbuf.st_uid,
target_data.statbuf.st_gid) == -1) {