diff options
author | Martin Schlemmer <azarah@gentoo.org> | 2003-04-12 18:46:02 +0000 |
---|---|---|
committer | Martin Schlemmer <azarah@gentoo.org> | 2003-04-12 18:46:02 +0000 |
commit | ef54c147aae28f1ab42c09e2828b4fc13f481ab6 (patch) | |
tree | 5c951a521daabfd8cb59133b5a895b67bd8b704f /sys-devel | |
parent | New version (diff) | |
download | gentoo-2-ef54c147aae28f1ab42c09e2828b4fc13f481ab6.tar.gz gentoo-2-ef54c147aae28f1ab42c09e2828b4fc13f481ab6.tar.bz2 gentoo-2-ef54c147aae28f1ab42c09e2828b4fc13f481ab6.zip |
New version
- lots of speed improvements to wrapper
- short options
- select profile by number
Diffstat (limited to 'sys-devel')
-rw-r--r-- | sys-devel/gcc-config/ChangeLog | 15 | ||||
-rw-r--r-- | sys-devel/gcc-config/Manifest | 8 | ||||
-rw-r--r-- | sys-devel/gcc-config/files/digest-gcc-config-1.3.3 | 0 | ||||
-rw-r--r-- | sys-devel/gcc-config/files/gcc-config-1.3.3 | 446 | ||||
-rw-r--r-- | sys-devel/gcc-config/files/wrapper-1.4.1.c | 325 | ||||
-rw-r--r-- | sys-devel/gcc-config/gcc-config-1.3.3.ebuild | 90 |
6 files changed, 879 insertions, 5 deletions
diff --git a/sys-devel/gcc-config/ChangeLog b/sys-devel/gcc-config/ChangeLog index adc3819976e7..81b8e8003f50 100644 --- a/sys-devel/gcc-config/ChangeLog +++ b/sys-devel/gcc-config/ChangeLog @@ -1,6 +1,19 @@ # ChangeLog for sys-devel/gcc-config # Copyright 2002-2003 Gentoo Technologies, Inc.; Distributed under the GPL v2 -# $Header: /var/cvsroot/gentoo-x86/sys-devel/gcc-config/ChangeLog,v 1.33 2003/04/08 12:53:38 azarah Exp $ +# $Header: /var/cvsroot/gentoo-x86/sys-devel/gcc-config/ChangeLog,v 1.34 2003/04/12 18:44:22 azarah Exp $ + +*gcc-config-1.3.3 (12 Apr 2003) + + 12 Apr 2003; Martin Schlemmer <azarah@gentoo.org> gcc-config-1.3.3.ebuild, + files/gcc-config-1.3.3, files/wrapper-1.4.1.c : + New version: + - Update the wrapper to scan /etc/env.d/05gcc for PATH, and then append this + to caller name if successful. This should improve speed much if PATH is + not setup properly, as we do not have to run gcc-config ... This is a + much better solution for bug #18766. + - Add short options to gcc-config, closing bug #13005. + - Add the ability to choose the profile by a number, as listed by running + 'gcc-config --list-profiles', closing bug #13005. *gcc-config-1.3.2 (08 Apr 2003) diff --git a/sys-devel/gcc-config/Manifest b/sys-devel/gcc-config/Manifest index 5cb39ab3fe52..54646fe06227 100644 --- a/sys-devel/gcc-config/Manifest +++ b/sys-devel/gcc-config/Manifest @@ -1,6 +1,6 @@ -MD5 c91fc4e0f5e15bdb18fc1a22d36d3d64 ChangeLog 6808 +MD5 552949dc701c87a89f6429de605415d2 ChangeLog 6938 MD5 0933e6187cc0f10fa79b8504e7a3bd0e gcc-config-1.3.0.ebuild 2110 -MD5 bf152d57fe541758440ba7cbb075a48b gcc-config-1.3.3.ebuild 2227 +MD5 db9be5ce1763eccd6aa5fea794198624 gcc-config-1.3.3.ebuild 2227 MD5 237a7e0aff8c90471ebe138056a1bf39 gcc-config-1.2.7.ebuild 1151 MD5 bd5d1a41047e3190e7f3697af110a4ca gcc-config-1.3.1.ebuild 2116 MD5 6452b1b7e2965406699a68f155e2f09e gcc-config-1.2.9.ebuild 2110 @@ -10,12 +10,12 @@ MD5 9b87bd79f5c7f42b0a93e944c79a89b2 files/gcc-config-1.3.0 7131 MD5 a4fe6c2cc89bb24276a53da0fb4def9e files/wrapper.c 3527 MD5 98ae7460e20ff7907863052a863ab8ff files/gcc-config-1.3.1 8106 MD5 40100df067977032972172e4eb5cab05 files/gcc-config-1.2.7 8674 -MD5 74b64ed0357aac8ab553b55674ea6856 files/wrapper-1.4.1.c 7529 +MD5 275c85b9d8d3e7cdfd0e7c256ef8c468 files/wrapper-1.4.1.c 7531 MD5 ee11abc1908b09d4ef5613f365202047 files/digest-gcc-config-1.3.0 192 MD5 44cb03b926702bd77bb7bbe84499348e files/gcc-config-1.4 11992 MD5 dbc7a76dc0e32a1b8734a44c00aa9abe files/digest-gcc-config-1.3.1 585 MD5 27740a9a29d5fa3a86a48a49da0c6a5c files/wrapper-1.4.c 5643 -MD5 d67caec5e784562eeb88f280275e37b6 files/gcc-config-1.3.3 8724 +MD5 5d5ffffb87b1975bf103ddc7940652f3 files/gcc-config-1.3.3 8724 MD5 5c9af84b60b56c0d51946122de783fc8 files/digest-gcc-config-1.2.7 133 MD5 8fe8bc98220d370e07b824abb03a1431 files/gcc-config-1.2.9 7131 MD5 38cdf2331e78ec65c5a18c6a73f2dc1a files/gcc-config-1.4.1 12952 diff --git a/sys-devel/gcc-config/files/digest-gcc-config-1.3.3 b/sys-devel/gcc-config/files/digest-gcc-config-1.3.3 new file mode 100644 index 000000000000..e69de29bb2d1 --- /dev/null +++ b/sys-devel/gcc-config/files/digest-gcc-config-1.3.3 diff --git a/sys-devel/gcc-config/files/gcc-config-1.3.3 b/sys-devel/gcc-config/files/gcc-config-1.3.3 new file mode 100644 index 000000000000..ffa794390741 --- /dev/null +++ b/sys-devel/gcc-config/files/gcc-config-1.3.3 @@ -0,0 +1,446 @@ +#!/bin/bash +# Copyright 1999-2003 Gentoo Technologies, Inc. +# Distributed under the terms of the GNU General Public License, v2 or later +# Author: Martin Schlemmer <azarah@gentoo.org> +# $Header: /var/cvsroot/gentoo-x86/sys-devel/gcc-config/files/gcc-config-1.3.3,v 1.1 2003/04/12 18:44:22 azarah Exp $ + + +source /etc/init.d/functions.sh || { + echo "$0: Could not source /etc/init.d/functions.sh!" + exit 1 +} + +usage() { +cat << "USAGE_END" +Usage: gcc-config [Option] [CC Profile] +Change the current cc/gcc profile, or give info about profiles. + +Options: + + -O, --use-old + Use the old profile if one was selected. + + -P, --use-portage-chost + Only set to given profile if its CHOST is the same + as that set for portage in /etc/make.conf (or one of + other portage config files...). + + -c, --get-current-profile + Print current used gcc profile. + + -l, --list-profiles + Print a list of available profiles. + + -E, --print-environ + Print environment that can be used to setup things + for current gcc profile, or specified one ... + + -B, --get-bin-path + Print path where binaries of given/current profile + are located. + + -L, --get-lib-path + Print path where libraries of given/current profile + are located. + + -X, --get-stdcxx-incdir + Print path to g++ include files of given/current + profile. + +The profile name is in the form of: + + <CHOST>-<gcc version> + +For example: + + i686-pc-linux-gnu-3.2.1 + + + +USAGE_END + + exit 1 +} + +if [ "$#" -lt 1 ] +then + usage +fi + +HAVE_WHICH="no" +if [ -n "$(which which 2> /dev/null)" ] +then + HAVE_WHICH="yes" +fi + +find_path() { + [ -z "$1" ] && return 0 + + if [ "${HAVE_WHICH}" = "yes" ] + then + local fullpath="$(which $1 2> /dev/null)" + + if [ -x "${fullpath}" ] + then + echo "${fullpath}" + return 0 + fi + fi + + for x in /bin /sbin /usr/bin /usr/sbin /usr/local/bin /usr/local/sbin + do + if [ -x "${x}/$1" -a -r "${x}/$1" ] + then + echo "${x}/$1" + return 0 + fi + done + + return 0 +} + +cmd_setup() { + + # Sourcing /etc/env.d/gcc/${CC_COMP} is going to mess up + # PATH among things... + CP="$(find_path cp)" + RM="$(find_path rm)" + MV="$(find_path mv)" + LN="$(find_path ln)" + CAT="$(find_path cat)" + AWK="$(find_path gawk)" + GREP="$(find_path grep)" + FIND="$(find_path find)" + CHMOD="$(find_path chmod)" + TOUCH="$(find_path touch)" + ENV_UPDATE="$(find_path env-update)" +} + +CC_COMP="" + +get_real_chost() { + [ -n "$REAL_CHOST" ] && return 0 + + REAL_CHOST="$(portageq envvar CHOST)" + + if [ -z "${REAL_CHOST}" ] + then + eerror "$0: Could not get portage CHOST!" + return 1 + fi +} + +switch_profile() { + local MY_LDPATH="" + local GCC_PROFILES="" + local OLD_CC_COMP="" + + if [ -r /etc/env.d/gcc/config ] + then + source /etc/env.d/gcc/config + + if [ -n "${CURRENT}" ] + then + OLD_CC_COMP="${CURRENT}" + fi + fi + + if [ "$(id -u)" -ne 0 ] + then + eerror "$0: Must be root." + exit 1 + fi + + ebegin "Switching to ${CC_COMP} compiler" + + # Sourcing /etc/env.d/gcc/${CC_COMP} is going to mess up + # PATH among things... + cmd_setup + + # Order our profiles to have the default first... + # We do this so that we can have them ordered with default + # first in /etc/ld.so.conf, as the logical is that all + # compilers for default CHOST will be used to compile stuff, + # and thus we want all their lib paths in /etc/ld.so.conf ... + get_real_chost + GCC_PROFILES="$(${FIND} /etc/env.d/gcc/ -name "${REAL_CHOST}-*")" + GCC_PROFILES="${GCC_PROFILES/\/etc\/env.d\/gcc\/${CC_COMP}}" + GCC_PROFILES="/etc/env.d/gcc/${CC_COMP} ${GCC_PROFILES}" + + # Extract all LDPATH's for our CHOST + for x in ${GCC_PROFILES} + do + if [ -f "${x}" ] + then + source "${x}" + + if [ -z "${MY_LDPATH}" ] + then + if [ -d "${LDPATH}" ] + then + MY_LDPATH="${LDPATH}" + fi + else + if [ -d "${LDPATH}" ] + then + MY_LDPATH="${MY_LDPATH}:${LDPATH}" + fi + fi + fi + done + + # Setup things properly again for this profile + source "/etc/env.d/gcc/${CC_COMP}" + + # Setup /etc/env.d/05gcc + ${AWK} '!/^STDCXX_INCDIR=|^LDPATH=/ {print $0}' \ + "/etc/env.d/gcc/${CC_COMP}" > /etc/env.d/05gcc + + # Add our custom LDPATH + echo "LDPATH=\"${MY_LDPATH}\"" >> /etc/env.d/05gcc + + # Make sure we do not recreate /lib/cpp and /usr/bin/cc ... +# echo "DISABLE_GEN_GCC_WRAPPERS=\"yes\"" >> /etc/env.d/05gcc + + echo "CURRENT=${CC_COMP}" > /etc/env.d/gcc/config + + source /etc/profile + + # These might not be installed, and we want to update the mtime + # for ccache and distcc anyhow ... + ${RM} -f /lib/cpp + ${CP} -f /usr/lib/gcc-config/wrapper /lib/cpp + for x in gcc cpp cc c++ g++ "${CHOST}-gcc" "${CHOST}-c++" "${CHOST}-g++" + do + ${RM} -f "/usr/bin/${x}" + ${CP} -f /usr/lib/gcc-config/wrapper "/usr/bin/${x}" + + if [ "${OLD_CC_COMP}" != "${CC_COMP}" ] + then + ${TOUCH} -m "/usr/bin/${x}" + fi + done + + + ${ENV_UPDATE} &> /dev/null + + eend 0 + + if [ "${OLD_CC_COMP}" != "${CC_COMP}" ] + then + echo + ewarn "If you intend to use the gcc from the new profile in an already" + ewarn "running shell, please remember to do:" + echo + ewarn " # source /etc/profile" + echo + fi + + return 0 +} + +get_current_profile() { + if [ ! -f /etc/env.d/gcc/config ] + then + eerror "$0: No gcc profile is active!" + return 1 + fi + + source /etc/env.d/gcc/config + + if [ -z "${CURRENT}" ] + then + eerror "$0: No gcc profile is active!" + return 1 + fi + + echo "${CURRENT}" + + return 0 +} + +list_profiles() { + i=1 + + if [ ! -f /etc/env.d/gcc/config ] + then + eerror "$0: No gcc profile is active!" + return 1 + fi + + for x in /etc/env.d/gcc/* + do + if [ -f "${x}" -a "${x}" != "/etc/env.d/gcc/config" ] + then + echo "[${i}] ${x##*/}" + i=$((i + 1)) + fi + done +} + +print_environ() { + local OLDPATH="${PATH}" + + source "/etc/env.d/gcc/${CC_COMP}" + + echo "export PATH=\"${PATH}:${OLDPATH}\"" + +# if [ -z "${LD_LIBRARY_PATH}" ] +# then +# echo "export LD_LIBRARY_PATH=\"${LDPATH}\"" +# else +# echo "export LD_LIBRARY_PATH=\"${LDPATH}:${LD_LIBRARY_PATH}\"" +# fi + + echo "export CC=\"${CC}\"" + echo "export CXX=\"${CXX}\"" +} + +get_bin_path() { + source "/etc/env.d/gcc/${CC_COMP}" + + echo "${PATH}" + + return 0 +} + +get_lib_path() { + source "/etc/env.d/gcc/${CC_COMP}" + + echo "${LDPATH}" + + return 0 +} + +get_stdcxx_incdir() { + source "/etc/env.d/gcc/${CC_COMP}" + + echo "${LDPATH}/include/${STDCXX_INCDIR}" + + return 0 +} + +NEED_ACTION="yes" +DOIT="switch_profile" +CHECK_CHOST="no" + +for x in $* +do + case "${x}" in + # Only use specified compiler if one is not already selected. + -O|--use-old) + if get_current_profile &> /dev/null + then + CC_COMP="$(get_current_profile)" + fi + ;; + -P|--use-portage-chost) + CHECK_CHOST="yes" + ;; + -c|--get-current-profile) + if [ "${NEED_ACTION}" = "yes" ] + then + NEED_ACTION="no" + DOIT="get_current_profile" + fi + ;; + -l|--list-profiles) + if [ "${NEED_ACTION}" = "yes" ] + then + NEED_ACTION="no" + DOIT="list_profiles" + fi + ;; + -E|--print-environ) + if [ "${NEED_ACTION}" = "yes" ] + then + NEED_ACTION="no" + DOIT="print_environ" + fi + ;; + -B|--get-bin-path) + if [ "${NEED_ACTION}" = "yes" ] + then + NEED_ACTION="no" + DOIT="get_bin_path" + fi + ;; + -L|--get-lib-path) + if [ "${NEED_ACTION}" = "yes" ] + then + NEED_ACTION="no" + DOIT="get_lib_path" + fi + ;; + -X|--get-stdcxx-incdir) + if [ "${NEED_ACTION}" = "yes" ] + then + NEED_ACTION="no" + DOIT="get_stdcxx_incdir" + fi + ;; + -*) + eerror "$0: Invalid switch! Run $0 without parameters for help." + exit 1 + ;; + *) + if [ -z "${CC_COMP}" ] + then + if [ -n "`echo ${x} | gawk '/^[[:digit:]]*$/ { print }'`" ] + then + i=1 + for y in /etc/env.d/gcc/* + do + [ "${y}" = "/etc/env.d/gcc/config" ] && continue + + if [ -f "${y}" -a "${x}" -eq "${i}" ] + then + CC_COMP="${y##*/}" + break + else + i=$((i + 1)) + fi + done + else + CC_COMP="${x}" + fi + fi + ;; + esac +done + +if [ "${DOIT}" = "switch_profile" -a -z "${CC_COMP}" ] +then + usage +fi + +if [ -z "${CC_COMP}" ] +then + if get_current_profile &> /dev/null + then + CC_COMP="$(get_current_profile)" + else + eerror "$0: No default profile setup!" + exit 1 + fi +fi + +if [ ! -d "/usr/lib/gcc-lib/${CC_COMP%-*}/${CC_COMP##*-}" -o \ + ! -f "/etc/env.d/gcc/${CC_COMP}" ] +then + eerror "$0: Profile does not exist!" + exit 1 +fi + +if [ "${CHECK_CHOST}" = "yes" ] +then + # Chosen CHOST are not the same as the real CHOST according to + # make.conf, and --use-portage-chost option was given, so do nothing + get_real_chost + [ "${CC_COMP%-*}" != "${REAL_CHOST}" ] && exit 0 +fi + +eval ${DOIT} + + +# vim:ts=4 diff --git a/sys-devel/gcc-config/files/wrapper-1.4.1.c b/sys-devel/gcc-config/files/wrapper-1.4.1.c new file mode 100644 index 000000000000..83a1311827e1 --- /dev/null +++ b/sys-devel/gcc-config/files/wrapper-1.4.1.c @@ -0,0 +1,325 @@ +/* + * Copyright 1999-2003 Gentoo Technologies, Inc. + * Distributed under the terms of the GNU General Public License v2 + * Author: Martin Schlemmer <azarah@gentoo.org> + * $Header: /var/cvsroot/gentoo-x86/sys-devel/gcc-config/files/wrapper-1.4.1.c,v 1.1 2003/04/12 18:44:22 azarah Exp $ + */ + +#define _REENTRANT +#define _GNU_SOURCE + +#include <stdio.h> +#include <stdlib.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <sys/param.h> +#include <unistd.h> +#include <wait.h> +#include <libgen.h> +#include <string.h> +#include <stdarg.h> +#include <errno.h> + +//#define DEBUG + +#define GCC_CONFIG "/usr/bin/gcc-config" +#define ENVD_FILE "/etc/env.d/05gcc" + +struct wrapper_data { + char name[MAXPATHLEN + 1]; + char fullname[MAXPATHLEN + 1]; + char bin[MAXPATHLEN + 1]; + char tmp[MAXPATHLEN + 1]; + + char *path; +}; + +static const char *wrapper_strerror(int err, struct wrapper_data *data) +{ + strerror_r(err, data->tmp, sizeof(data->tmp)); + return data->tmp; +} + +static void wrapper_exit(char *msg, ...) +{ + va_list args; + va_start(args, msg); + vfprintf(stderr, msg, args); + va_end(args); + exit(1); +} + +/* check_for_target checks in path for the file we are seeking + * it returns 1 if found (with data->bin setup), 0 if not and + * negative on error + */ +static int check_for_target(char *path, struct wrapper_data *data) +{ + struct stat sbuf; + int result = 0; + char *str = data->tmp; + size_t len = strlen(path) + strlen(data->name) + 2; + + snprintf(str, len, "%s/%s", path, data->name); + + /* Stat possible file to check that + * 1) it exist and is a regular file, and + * 2) it is not the wrapper itself, and + * 3) it is in a /gcc-bin/ directory tree + */ + result = stat(str, &sbuf); + if ((0 == result) && (sbuf.st_mode & S_IFREG) && + (0 != strcmp(str, data->fullname)) && + (0 != strstr(str, "/gcc-bin/"))) { + + strncpy(data->bin, str, MAXPATHLEN); + data->bin[MAXPATHLEN] = 0; + result = 1; + } + else + result = 0; + + return result; +} + +static int find_target_in_path(struct wrapper_data *data) +{ + char *token = NULL, *str = data->tmp, *state; + + if (NULL == data->path) return 0; + + /* Make a copy since strtok_r will modify path */ + snprintf(str, MAXPATHLEN + 1, "%s", data->path); + + token = strtok_r(str, ":", &state); + + /* Find the first file with suitable name in PATH. The idea here is + * that we do not want to bind ourselfs to something static like the + * default profile, or some odd environment variable, but want to be + * able to build something with a non default gcc by just tweaking + * the PATH ... */ + while ((NULL != token) && (strlen(token) > 0)) { + + if (check_for_target(token, data)) + return 1; + + token = strtok_r(NULL, ":", &state); + } + + return 0; +} + +/* find_target_in_envd parses /etc/env.d/05gcc, and tries to + * extract PATH, which is set to the current profile's bin + * directory ... + */ +static int find_target_in_envd(struct wrapper_data *data) +{ + FILE *envfile = NULL; + char *token = NULL, *str = data->tmp, *state; + + if (NULL == data->path) return 0; + + envfile = fopen(ENVD_FILE, "r"); + if (NULL == envfile) + return 0; + + while (0 != fgets(str, MAXPATHLEN, envfile)) { + + /* Keep reading ENVD_FILE until we get a line that + * starts with 'PATH=' + */ + if (((str) && (strlen(str) > strlen("PATH=")) && + 0 == strncmp("PATH=", str, strlen("PATH=")))) { + + token = strtok_r(str, "=", &state); + if ((NULL != token) && (strlen(token) > 0)) + /* The second token should be the value of PATH .. */ + token = strtok_r(NULL, "=", &state); + else { + fclose(envfile); + return 0; + } + + if ((NULL != token) && (strlen(token) > 0)) { + + str = token; +#ifdef DEBUG + printf("* token = %s\n", token); +#endif + /* A bash variable may be unquoted, quoted with " or + * quoted with ', so extract the value without those .. + */ + token = strsep(&str, "\n\"\'"); +#ifdef DEBUG + printf("* token = %s\n", token); +#endif + + while (NULL != token) { + + if (check_for_target(token, data)) { + + fclose(envfile); + return 1; + } + + token = strsep(&str, "\n\"\'"); +#ifdef DEBUG + printf("* token = %s\n", token); +#endif + } + } + + } + str = data->tmp; + } + + fclose(envfile); + + return 0; +} + +static void find_wrapper_target(struct wrapper_data *data) +{ + FILE *inpipe = NULL; + char *str = data->tmp; + +#ifdef DEBUG + printf("* calling find_target_in_path\n"); +#endif + if (find_target_in_path(data)) + return; + +#ifdef DEBUG + printf("* calling find_target_in_envd\n"); +#endif + if (find_target_in_envd(data)) + return; + +#ifdef DEBUG + printf("* calling find_wrapper_target\n"); +#endif + + /* Only our wrapper is in PATH, so + get the CC path using gcc-config and + execute the real binary in there... */ + inpipe = popen(GCC_CONFIG " --get-bin-path", "r"); + if (NULL == inpipe) { + + wrapper_exit( + "Could not open pipe for GCC_CONFIG: %s\n", + wrapper_strerror(errno, data)); + } + + if (0 == fgets(str, MAXPATHLEN, inpipe)) + wrapper_exit("Could not get compiler binary path: %s\n", + wrapper_strerror(errno, data)); + + strncpy(data->bin, str, sizeof(data->bin) - 1); + data->bin[strlen(data->bin) - 1] = '/'; + strncat(data->bin, data->name, sizeof(data->bin) - 1); + data->bin[MAXPATHLEN] = 0; + + pclose(inpipe); +} + +/* This function modifies PATH to have gcc's bin path appended */ +static void modify_path(struct wrapper_data *data) +{ + char *newpath = NULL, *token = NULL, *state; + char dname_data[MAXPATHLEN + 1]; + char *str = data->tmp, *str2 = dname_data, *dname = dname_data; + size_t len = 0; + + if (NULL == data->bin) + return; + + snprintf(str2, MAXPATHLEN + 1, "%s", data->bin); + + if (NULL == (dname = dirname(str2))) + return; + + if (NULL == data->path) + return; + + /* Make a copy since strtok_r will modify path */ + snprintf(str, MAXPATHLEN + 1, "%s", data->path); + + token = strtok_r(str, ":", &state); + + /* Check if we already appended our bin location to PATH */ + if ((NULL != token) && (strlen(token) > 0)) { + if (0 == strcmp(token, dname)) + return; + } + + len = strlen(dname) + strlen(data->path) + 2; + + newpath = (char *)malloc(len); + if (NULL == newpath) + wrapper_exit("wrapper: out of memory\n"); + memset(newpath, 0, len); + + snprintf(newpath, len, "%s:%s", dname, data->path); + setenv("PATH", newpath, 1); + + if (newpath) + free(newpath); + newpath = NULL; +} + +int main(int argc, char **argv) +{ + struct wrapper_data *data; + size_t size; + char *path; + int result = 0; + + data = alloca(sizeof(*data)); + if (NULL == data) + wrapper_exit("%s wrapper: out of memory\n", argv[0]); + memset(data, 0, sizeof(*data)); + + path = getenv("PATH"); + if (NULL != path) { + data->path = strdup(getenv("PATH")); + if (NULL == data->path) + wrapper_exit("%s wrapper: out of memory\n", argv[0]); + } + + /* What should we find ? */ + strcpy(data->name, basename(argv[0])); + + /* cc calls "/full/path/to/gcc" ... */ + if (0 == strcmp(data->name, "cc")) + strcpy(data->name, "gcc"); + + /* What is the full name of our wrapper? */ + size = sizeof(data->fullname); + result = snprintf(data->fullname, size, "/usr/bin/%s", data->name); + if ((-1 == result) || (result > size)) + wrapper_exit("invalid wrapper name: \"%s\"\n", data->name); + + find_wrapper_target(data); + + modify_path(data); + + if (data->path) + free(data->path); + data->path = NULL; + + /* Set argv[0] to the correct binary, else gcc do not find internal + * headers, etc (bug #8132). */ + argv[0] = data->bin; + +#ifdef DEBUG + printf("exec %s\n", data->bin); +#endif + + /* Ok, do it ... */ + if (execv(data->bin, argv) < 0) + wrapper_exit("Could not run/locate \"%s\"\n", data->name); + + return 0; +} + diff --git a/sys-devel/gcc-config/gcc-config-1.3.3.ebuild b/sys-devel/gcc-config/gcc-config-1.3.3.ebuild new file mode 100644 index 000000000000..83cdea713261 --- /dev/null +++ b/sys-devel/gcc-config/gcc-config-1.3.3.ebuild @@ -0,0 +1,90 @@ +# Copyright 1999-2003 Gentoo Technologies, Inc. +# Distributed under the terms of the GNU General Public License v2 +# $Header: /var/cvsroot/gentoo-x86/sys-devel/gcc-config/gcc-config-1.3.3.ebuild,v 1.1 2003/04/12 18:44:22 azarah Exp $ + +IUSE="" + +W_VER="1.4.1" + +DISABLE_GEN_GCC_WRAPPERS="yes" + +S="${WORKDIR}/${P}" +DESCRIPTION="Utility to change the gcc compiler being used." +SRC_URI="" +HOMEPAGE="http://www.gentoo.org/" + +KEYWORDS="~x86 ~ppc ~sparc ~alpha ~mips ~hppa ~arm" +SLOT="0" +LICENSE="GPL-2" + +DEPEND="virtual/glibc + >=sys-apps/portage-2.0.47-r10" # We need portageq ... + + +src_install() { + + # Setup PATH just in case ... + if /usr/bin/gcc-config --get-current-profile &> /dev/null || \ + /usr/sbin/gcc-config --get-current-profile &> /dev/null + then + if [ -x /usr/bin/gcc-config ] + then + export PATH="`/usr/bin/gcc-config --get-bin-path`:${PATH}" + else + export PATH="`/usr/sbin/gcc-config --get-bin-path`:${PATH}" + fi + fi + + einfo "Compiling wrapper..." + ${CC:-gcc} -O2 -Wall -o ${WORKDIR}/wrapper \ + ${FILESDIR}/wrapper-${W_VER}.c || die + + exeinto /usr/lib/gcc-config + doexe ${WORKDIR}/wrapper || die + + # Only setup this if we have a proper gcc version installed, else + # we will nuke the non gcc-config versions ... + if /usr/bin/gcc-config --get-current-profile &> /dev/null || \ + /usr/sbin/gcc-config --get-current-profile &> /dev/null + then + einfo "Creating wrappers for compiler tools..." + exeinto /lib + newexe ${WORKDIR}/wrapper cpp + + exeinto /usr/bin + for x in gcc cpp cc c++ g++ ${CHOST}-gcc ${CHOST}-c++ ${CHOST}-g++ + do + newexe ${WORKDIR}/wrapper ${x} + done + fi + + einfo "Adding compat symlinks..." + into /usr + dodir /usr/sbin + newbin ${FILESDIR}/${PN}-${PV} ${PN} + dosym ../bin/${PN} /usr/sbin/${PN} +} + +pkg_postinst() { + + # Do we have a valid multi ver setup ? + if ${ROOT}/usr/bin/gcc-config --get-current-profile &> /dev/null + then + # We not longer use the /usr/include/g++-v3 hacks, as + # it is not needed ... + if [ -L ${ROOT}/usr/include/g++ ] + then + rm -f ${ROOT}/usr/include/g++ + fi + if [ -L ${ROOT}/usr/include/g++-v3 ] + then + rm -f ${ROOT}/usr/include/g++-v3 + fi + + if [ ${ROOT} = "/" ] + then + /usr/bin/gcc-config $(/usr/bin/gcc-config --get-current-profile) + fi + fi +} + |