mirror of
https://git.FreeBSD.org/ports.git
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a2f3809140
- update icc7 to 7.1.035 - sync parts of icc7 with the icc (v8) port
322 lines
7.7 KiB
C
322 lines
7.7 KiB
C
/*
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* Copyright (c) 2002-2003 Marius Strobl
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* Wrapper for Intel(R) C/C++ Compiler for Linux to allow linking of native
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* FreeBSD binaries.
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* Based on a shell-script written by Dan Nelson <dnelson@allantgroup.com>
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* with some modifications by Alexander Leidinger <netchild@FreeBSD.org>.
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*
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <err.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <osreldate.h>
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#define PATH_LD "/usr/bin/ld"
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#define LDW_CPP (1<<0)
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#define LDW_DYN (1<<1)
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#define LDW_GPROF (1<<2)
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#define LDW_PIC (1<<3)
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#define LDW_THR (1<<4)
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struct arglist {
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size_t argc;
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const char **argv;
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};
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static void addarg(struct arglist *al, const char *arg);
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int main(int argc, char *argv[], char *envp[]);
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static void
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addarg(struct arglist *al, const char *arg)
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{
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const char **argv2;
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argv2 = realloc(al->argv, (al->argc + 1) * sizeof(al->argv[0]));
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if (argv2 == NULL)
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err(1, NULL);
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al->argv = argv2;
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al->argv[al->argc++] = arg;
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}
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int
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main(int argc, char *argv[], char *envp[])
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{
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size_t i;
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u_int flags;
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const char *libc, *libthr, *icc_localbase;
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struct arglist al = { 0, NULL };
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flags = 0;
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if (argc == 1)
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errx(1, "no input files");
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if ((icc_localbase = getenv("ICC_LOCALBASE")) == NULL)
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errx(1, "can't get ICC_LOCALBASE");
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#ifdef DEBUG
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printf("input: ");
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#endif
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#define ARGCMP(i, x) !strcmp(argv[i], (x))
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/*
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* XXX This doesn't deal with whitespace but a) the output of the
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* compiler should be fixed and b) the real linker is also picky
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* about whitespace.
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*/
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for (i = 0; i < argc; i++) {
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#ifdef DEBUG
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printf("%s ", argv[i]);
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#endif
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if (ARGCMP(i, "-CPLUSPLUS")) {
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flags |= LDW_CPP;
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continue;
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}
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if (ARGCMP(i, "-MT")) {
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flags |= LDW_THR;
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continue;
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}
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if (ARGCMP(i, "-PIC")) {
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flags |= LDW_PIC;
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continue;
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}
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/*
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* Check if the compiler wants us to do dynamic linking, i.e.
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* the compiler was called with -shared or without -static.
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* If the compiler was called with -static we shouldn't see
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* "--dynamic-linker" here.
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* Note: According to ld(1) this is "--dynamic-linker" but
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* ICC passes "-dynamic-linker" to it.
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*/
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if (ARGCMP(i, "--dynamic-linker") ||
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ARGCMP(i, "-dynamic-linker") || ARGCMP(i, "-shared")) {
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flags |= LDW_DYN;
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continue;
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}
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/*
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* Link against libc_p when "-qp" or "-p" were given,
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* "/usr/lib/gcrt1.o" indicates this.
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*/
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if (ARGCMP(i, "/usr/lib/gcrt1.o")) {
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flags |= LDW_GPROF;
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continue;
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}
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}
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/*
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* Allow the user to specify an alternative threads library
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* implementation, such as -lthr, or whatever.
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*/
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#if __FreeBSD_version >= 500016
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if ((libthr = getenv("PTHREAD_LIBS")) == NULL)
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#endif
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libthr = "-lc_r";
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/*
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* Use the appropriate libs for libc and libthr when linking static
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* and "-KPIC" or "-pg" where given.
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*/
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if (!(flags & LDW_DYN) && flags & (LDW_PIC | LDW_GPROF)) {
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/*
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* Let libc_p win above libc_pic when both, "-KPIC" and "-pg",
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* where given, GCC does the same.
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*/
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if (!(flags & LDW_GPROF))
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libc = "-lc_pic";
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else {
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char *p;
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libc = "-lc_p";
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asprintf(&p, "%s_p", libthr);
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if (p == NULL)
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err(1, NULL);
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libthr = p;
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}
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} else
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libc = "-lc";
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#ifdef DEBUG
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printf("\n");
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#endif
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for (i = 0; i < argc; i++) {
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if (ARGCMP(i, "-CPLUSPLUS") || ARGCMP(i, "-MT") ||
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ARGCMP(i, "-PIC"))
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continue;
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/* prepend "-melf_i386" to the commandline */
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if (i == 0) {
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addarg(&al, argv[0]);
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#if __FreeBSD_version < 500042
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addarg(&al, "-melf_i386");
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#else
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addarg(&al, "-melf_i386_fbsd");
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#endif
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continue;
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}
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/* Don't add obsolete flag "-Qy". */
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if (ARGCMP(i, "-Qy"))
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continue;
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/*
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* Replace libcprts with libstlport_icc. The Dinkumware STL
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* shipping with ICC has unresolvable glibc dependencies
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* in both, the static and the dynamic, versions.
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*/
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if (ARGCMP(i, "-lcprts")) {
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if (flags & LDW_CPP) {
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addarg(&al,
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flags & LDW_DYN ? "-Bdynamic" : "-Bstatic");
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addarg(&al, "-lstlport_icc");
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}
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continue;
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}
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/*
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* Link against libthr when compiling multi-threaded or C++
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* code (libcxa and libunwind depend on a threads library
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* when compiling C++ source).
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*/
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if (ARGCMP(i, "-lc")) {
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if (al.argc > 0 &&
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strncmp(al.argv[al.argc - 1], "-B", 2))
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addarg(&al,
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flags & LDW_DYN ? "-Bdynamic" : "-Bstatic");
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if (flags & (LDW_CPP | LDW_THR)) {
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addarg(&al, libthr);
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#if __FreeBSD_version >= 500016
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addarg(&al,
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flags & LDW_DYN ? "-Bdynamic" : "-Bstatic");
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addarg(&al, libc);
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#endif
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} else
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addarg(&al, libc);
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continue;
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}
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/* Switch Linux stuff to FreeBSD counterparts. */
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if (ARGCMP(i, "/lib/ld-linux.so.2")) {
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#if __FreeBSD_version >= 501105
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addarg(&al, "/libexec/ld-elf.so.1");
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#else
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addarg(&al, "/usr/libexec/ld-elf.so.1");
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#endif
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continue;
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}
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if (ARGCMP(i, "-L/usr/lib")) {
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addarg(&al, "-L/usr/libexec/elf");
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addarg(&al, "-L/usr/libexec");
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addarg(&al, "-L/usr/lib");
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if (flags & LDW_CPP) {
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char *p;
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asprintf(&p, "-L%s/lib", icc_localbase);
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if (p == NULL)
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err(1, NULL);
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addarg(&al, p);
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}
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continue;
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}
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/*
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* Force libcxa and libunwind to static linkage, since the
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* dynamic versions have glibc dependencies.
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* Don't add superfluous -Bdynamic.
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*/
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if (ARGCMP(i, "-Bdynamic") && i < argc - 1) {
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if (ARGCMP(i + 1, "-lcxa") ||
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ARGCMP(i + 1, "-lunwind")) {
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addarg(&al, "-Bstatic");
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continue;
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}
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if (ARGCMP(i + 1, "-lcprts"))
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continue;
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}
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/* Don't add superfluous -Bstatic. */
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if (ARGCMP(i, "-Bstatic") && i < argc - 1 &&
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(ARGCMP(i + 1, "-lcprts") || ARGCMP(i + 1, "-lunwind")))
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continue;
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/*
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* Sanity check if every lib is prepended by a linkage option,
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* add if missing.
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*/
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if (!strncmp(argv[i], "-l", 2) && al.argc > 0 &&
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strncmp(al.argv[al.argc - 1], "-B", 2)) {
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if (ARGCMP(i, "-lcxa") || ARGCMP(i, "-limf") ||
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ARGCMP(i, "-lirc") || ARGCMP(i, "-lircmt") ||
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ARGCMP(i, "-lunwind"))
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addarg(&al, "-Bstatic");
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else
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addarg(&al,
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flags & LDW_DYN ? "-Bdynamic" : "-Bstatic");
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addarg(&al, argv[i]);
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continue;
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}
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/* default */
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addarg(&al, argv[i]);
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}
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/* Still something to do? */
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if (al.argc == 1)
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errx(1, "no input files");
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#ifdef DEBUG
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printf("output: ");
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for (i = 0; i < al.argc; i++)
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printf("%s ", al.argv[i]);
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printf("\n");
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#endif
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addarg(&al, NULL);
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/* Launch the real linker. */
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if (execve(PATH_LD, (char **)al.argv, envp) == -1)
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err(1, "execing " PATH_LD);
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exit (1);
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}
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