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- Log -----------------------------------------------------------------
commit fae94962aa3c36f3cee00a453c2a7d01baaf4ff0
Author: Charles Wilson <[EMAIL PROTECTED]>
Date: Sat Apr 26 16:03:50 2008 -0400
[mingw|cygwin] Modify cwrapper to invoke target directly.
* libltdl/config/ltmain.m4sh (func_to_native_path):
New function. If $host is mingw, and $build is mingw
or cygwin, convert path to mingw native format.
(func_to_native_pathlist): New function. Ditto, for
:-separated pathlists.
(func_emit_cwrapperexe_src) [__CYGWIN__ && __STRICT_ANSI__]:
Ensure putenv and setenv are declared. Define HAVE_SETENV.
(func_emit_cwrapperexe_src) [main]: Add new constants to
hold desired PATH settings; initialize and use functions
above to convert to $host format if necessary. Add new
command-line options --lt-env-set, --lt-env-prepend, and
--lt-env-append. No longer emit wrapper script as integral
part of launching child. Remove support for (now) unnecessary
$TARGETSHELL. Exec actual target executable directly.
(func_emit_cwrapperexe_src) [lt_setenv, lt_extend_str]
[lt_split_name_value, lt_opt_process_env_set]
[lt_opt_process_env_prepend, lt_opt_process_env_append]
[lt_update_exe_path, lt_update_lib_path]: New functions.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 22 ++
libltdl/config/ltmain.m4sh | 564 ++++++++++++++++++++++++++++++++++++++------
2 files changed, 511 insertions(+), 75 deletions(-)
diff --git a/ChangeLog b/ChangeLog
index 81f532e..5bc51f7 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,25 @@
+2008-05-13 Charles Wilson <[EMAIL PROTECTED]>
+
+ [mingw|cygwin] Modify cwrapper to invoke target directly.
+ * libltdl/config/ltmain.m4sh (func_to_native_path):
+ New function. If $host is mingw, and $build is mingw
+ or cygwin, convert path to mingw native format.
+ (func_to_native_pathlist): New function. Ditto, for
+ :-separated pathlists.
+ (func_emit_cwrapperexe_src) [__CYGWIN__ && __STRICT_ANSI__]:
+ Ensure putenv and setenv are declared. Define HAVE_SETENV.
+ (func_emit_cwrapperexe_src) [main]: Add new constants to
+ hold desired PATH settings; initialize and use functions
+ above to convert to $host format if necessary. Add new
+ command-line options --lt-env-set, --lt-env-prepend, and
+ --lt-env-append. No longer emit wrapper script as integral
+ part of launching child. Remove support for (now) unnecessary
+ $TARGETSHELL. Exec actual target executable directly.
+ (func_emit_cwrapperexe_src) [lt_setenv, lt_extend_str]
+ [lt_split_name_value, lt_opt_process_env_set]
+ [lt_opt_process_env_prepend, lt_opt_process_env_append]
+ [lt_update_exe_path, lt_update_lib_path]: New functions.
+
2008-05-11 Charles Wilson <[EMAIL PROTECTED]>
Ensure cwrapper compiles without warnings under -std=c99.
diff --git a/libltdl/config/ltmain.m4sh b/libltdl/config/ltmain.m4sh
index 09dc434..0bfae76 100644
--- a/libltdl/config/ltmain.m4sh
+++ b/libltdl/config/ltmain.m4sh
@@ -2511,6 +2511,122 @@ func_emit_wrapper ()
}
+# func_to_host_path arg
+#
+# Convert paths to build format when used with build tools.
+# Intended for use with "native" mingw (where libtool itself
+# is running under the msys shell). Ordinarily, the (msys) shell
+# automatically converts such things for non-msys applications
+# it launches, but that isn't available from inside the cwrapper.
+# Similar accommodations are necessary for $host mingw and $build
+# cygwin. Calling this function does no harm on other $build or
+# for other $host.
+#
+# ARG is the path (on $build) that should be converted to
+# the proper representation for $host. The result is stored
+# in $func_to_host_path_result.
+func_to_host_path ()
+{
+ func_to_host_path_result="$1"
+ if test -n "$1" ; then
+ case $host in
+ *mingw* )
+ lt_sed_naive_backslashify='s|\\\\*|\\|g;s|/|\\|g;s|\\|\\\\|g'
+ case $build in
+ *mingw* ) # actually, msys
+ # awkward: cmd appends spaces to result
+ lt_sed_strip_trailing_spaces="s/[ ]*\$//"
+ func_to_host_path_tmp1=`( cmd //c echo "$1" |\
+ $SED -e "$lt_sed_strip_trailing_spaces" ) 2>/dev/null || echo ""`
+ func_to_host_path_result=`echo "$func_to_host_path_tmp1" |\
+ $SED -e "$lt_sed_naive_backslashify"`
+ ;;
+ *cygwin* )
+ func_to_host_path_tmp1=`cygpath -w "$1"`
+ func_to_host_path_result=`echo "$func_to_host_path_tmp1" |\
+ $SED -e "$lt_sed_naive_backslashify"`
+ ;;
+ esac
+ if test -z "$func_to_host_path_result" ; then
+ func_error "Could not determine host path corresponding to"
+ func_error " '$1'"
+ func_error "Continuing, but uninstalled executables may not work."
+ fi
+ ;;
+ esac
+ fi
+}
+# end: func_to_host_path
+
+# func_to_host_pathlist arg
+#
+# Convert pathlists to build format when used with build tools.
+# See func_to_host_path(), above.
+#
+# Path separators are also converted from ':' to ';', and if
+# $1 begins or ends with a ':' it is preserved (as ';') on
+# output. This description applies only when $build is mingw
+# (msys) or cygwin, and $host is mingw.
+#
+# ARG is a pathlist (on $build) that should be converted to
+# the proper representation on $host. The result is stored
+# in $func_to_host_pathlist_result.
+func_to_host_pathlist ()
+{
+ func_to_host_pathlist_result="$1"
+ if test -n "$1" ; then
+ case $host in
+ *mingw* )
+ lt_sed_naive_backslashify='s|\\\\*|\\|g;s|/|\\|g;s|\\|\\\\|g'
+ case $build in
+ *mingw* | *cygwin* )
+ # Remove leading and trailing ':' from $1. The behavior of
+ # msys is inconsistent here, and cygpath turns them into
+ # into '.;' and ';.'
+ func_to_host_pathlist_tmp2="$1"
+ func_to_host_pathlist_tmp1=`echo "$func_to_host_pathlist_tmp2" |\
+ $SED -e 's|^:*||' -e 's|:*$||'`
+ ;;
+ esac
+ case $build in
+ *mingw* ) # Actually, msys.
+ # Awkward: cmd appends spaces to result.
+ lt_sed_strip_trailing_spaces="s/[ ]*\$//"
+ func_to_host_pathlist_tmp2=`( cmd //c echo
"$func_to_host_pathlist_tmp1" |\
+ $SED -e "$lt_sed_strip_trailing_spaces" ) 2>/dev/null || echo ""`
+ func_to_host_pathlist_result=`echo "$func_to_host_pathlist_tmp2" |\
+ $SED -e "$lt_sed_naive_backslashify"`
+ ;;
+ *cygwin* )
+ func_to_host_pathlist_tmp2=`cygpath -w -p
"$func_to_host_pathlist_tmp1"`
+ func_to_host_pathlist_result=`echo "$func_to_host_pathlist_tmp2" |\
+ $SED -e "$lt_sed_naive_backslashify"`
+ ;;
+ esac
+ if test -z "$func_to_host_pathlist_result" ; then
+ func_error "Could not determine the host path(s) corresponding to"
+ func_error " '$1'"
+ func_error "Continuing, but uninstalled executables may not work."
+ fi
+ case $build in
+ *mingw* | *cygwin* )
+ # Now, add the leading and trailing ':' back
+ case "$1" in
+ :* )
func_to_host_pathlist_result=";$func_to_host_pathlist_result"
+ ;;
+ esac
+ case "$1" in
+ *: )
func_to_host_pathlist_result="$func_to_host_pathlist_result;"
+ ;;
+ esac
+ ;;
+ esac
+ ;;
+ esac
+ fi
+}
+# end: func_to_host_pathlist
+
# func_emit_cwrapperexe_src
# emit the source code for a wrapper executable on stdout
# Must ONLY be called from within func_mode_link because
@@ -2546,8 +2662,11 @@ EOF
# include <stdint.h>
# ifdef __CYGWIN__
# include <io.h>
+# define HAVE_SETENV
# ifdef __STRICT_ANSI__
char *realpath (const char *, char *);
+int putenv (char *);
+int setenv (const char *, const char *, int);
# endif
# endif
#endif
@@ -2655,6 +2774,14 @@ int make_executable (const char *path);
int check_executable (const char *path);
char *strendzap (char *str, const char *pat);
void lt_fatal (const char *message, ...);
+void lt_setenv (const char *name, const char *value);
+char *lt_extend_str (const char *orig_value, const char *add, int to_end);
+void lt_opt_process_env_set (const char *arg);
+void lt_opt_process_env_prepend (const char *arg);
+void lt_opt_process_env_append (const char *arg);
+int lt_split_name_value (const char *arg, char** name, char** value);
+void lt_update_exe_path (const char *name, const char *value);
+void lt_update_lib_path (const char *name, const char *value);
static const char *script_text_part1 =
EOF
@@ -2674,18 +2801,72 @@ EOF
cat <<EOF
const char * MAGIC_EXE = "$magic_exe";
+const char * LIB_PATH_VARNAME = "$shlibpath_var";
+EOF
+
+ if test "$shlibpath_overrides_runpath" = yes && test -n
"$shlibpath_var" && test -n "$temp_rpath"; then
+ func_to_host_pathlist "$temp_rpath"
+ cat <<EOF
+const char * LIB_PATH_VALUE = "$func_to_host_pathlist_result";
+EOF
+ else
+ cat <<"EOF"
+const char * LIB_PATH_VALUE = "";
+EOF
+ fi
+
+ if test -n "$dllsearchpath"; then
+ func_to_host_pathlist "$dllsearchpath:"
+ cat <<EOF
+const char * EXE_PATH_VARNAME = "PATH";
+const char * EXE_PATH_VALUE = "$func_to_host_pathlist_result";
+EOF
+ else
+ cat <<"EOF"
+const char * EXE_PATH_VARNAME = "";
+const char * EXE_PATH_VALUE = "";
+EOF
+ fi
+
+ if test "$fast_install" = yes; then
+ cat <<EOF
+const char * TARGET_PROGRAM_NAME = "lt-$outputname"; /* hopefully, no .exe */
+EOF
+ else
+ cat <<EOF
+const char * TARGET_PROGRAM_NAME = "$outputname"; /* hopefully, no .exe */
+EOF
+ fi
+
+
+ cat <<"EOF"
+
+static const char *dumpscript_opt = "--lt-dump-script";
+
+static const size_t env_set_opt_len = 12;
+static const char *env_set_opt = "--lt-env-set";
+ /* argument is putenv-style "foo=bar", value of foo is set to bar */
+
+static const size_t env_prepend_opt_len = 16;
+static const char *env_prepend_opt = "--lt-env-prepend";
+ /* argument is putenv-style "foo=bar", new value of foo is bar${foo} */
+
+static const size_t env_append_opt_len = 15;
+static const char *env_append_opt = "--lt-env-append";
+ /* argument is putenv-style "foo=bar", new value of foo is ${foo}bar */
int
main (int argc, char *argv[])
{
char **newargz;
+ int newargc;
char *tmp_pathspec;
char *actual_cwrapper_path;
- char *shwrapper_name;
+ char *actual_cwrapper_name;
+ char *target_name;
+ char *lt_argv_zero;
intptr_t rval = 127;
- FILE *shwrapper;
- const char *dumpscript_opt = "--lt-dump-script";
int i;
program_name = (char *) xstrdup (base_name (argv[0]));
@@ -2705,39 +2886,14 @@ EOF
;;
esac
- cat <<EOF
+ cat <<"EOF"
printf ("%s", script_text_part1);
printf ("%s", script_text_part2);
return 0;
}
}
- newargz = XMALLOC (char *, argc + 2);
-EOF
-
- if test -n "$TARGETSHELL" ; then
- # no path translation at all
- lt_newargv0=$TARGETSHELL
- else
- case "$host" in
- *mingw* )
- # awkward: cmd appends spaces to result
- lt_sed_strip_trailing_spaces="s/[ ]*\$//"
- lt_newargv0=`( cmd //c echo $SHELL | $SED -e
"$lt_sed_strip_trailing_spaces" ) 2>/dev/null || echo $SHELL`
- case $lt_newargv0 in
- *.exe | *.EXE) ;;
- *) lt_newargv0=$lt_newargv0.exe ;;
- esac
- ;;
- * ) lt_newargv0=$SHELL ;;
- esac
- fi
-
- cat <<EOF
- newargz[0] = (char *) xstrdup ("$lt_newargv0");
-EOF
-
- cat <<"EOF"
+ newargz = XMALLOC (char *, argc + 1);
tmp_pathspec = find_executable (argv[0]);
if (tmp_pathspec == NULL)
lt_fatal ("Couldn't find %s", argv[0]);
@@ -2749,39 +2905,60 @@ EOF
actual_cwrapper_path));
XFREE (tmp_pathspec);
- shwrapper_name = (char *) xstrdup (base_name (actual_cwrapper_path));
- strendzap (actual_cwrapper_path, shwrapper_name);
-
- /* shwrapper_name transforms */
- strendzap (shwrapper_name, ".exe");
- tmp_pathspec = XMALLOC (char, (strlen (shwrapper_name) +
- strlen ("_ltshwrapperTMP") + 1));
- strcpy (tmp_pathspec, shwrapper_name);
- strcat (tmp_pathspec, "_ltshwrapperTMP");
- XFREE (shwrapper_name);
- shwrapper_name = tmp_pathspec;
+ actual_cwrapper_name = xstrdup( base_name (actual_cwrapper_path));
+ strendzap (actual_cwrapper_path, actual_cwrapper_name);
+
+ /* wrapper name transforms */
+ strendzap (actual_cwrapper_name, ".exe");
+ tmp_pathspec = lt_extend_str (actual_cwrapper_name, ".exe", 1);
+ XFREE (actual_cwrapper_name);
+ actual_cwrapper_name = tmp_pathspec;
tmp_pathspec = 0;
- LTWRAPPER_DEBUGPRINTF (("(main) libtool shell wrapper name: %s\n",
- shwrapper_name));
+
+ /* target_name transforms -- use actual target program name; might have lt-
prefix */
+ target_name = xstrdup (base_name (TARGET_PROGRAM_NAME));
+ strendzap (target_name, ".exe");
+ tmp_pathspec = lt_extend_str (target_name, ".exe", 1);
+ XFREE (target_name);
+ target_name = tmp_pathspec;
+ tmp_pathspec = 0;
+
+ LTWRAPPER_DEBUGPRINTF (("(main) libtool target name: %s\n",
+ target_name));
EOF
cat <<EOF
- newargz[1] =
+ newargz[0] =
XMALLOC (char, (strlen (actual_cwrapper_path) +
- strlen ("$objdir") + 1 + strlen (shwrapper_name) + 1));
- strcpy (newargz[1], actual_cwrapper_path);
- strcat (newargz[1], "$objdir");
- strcat (newargz[1], "/");
- strcat (newargz[1], shwrapper_name);
+ strlen ("$objdir") + 1 + strlen (actual_cwrapper_name) +
1));
+ strcpy (newargz[0], actual_cwrapper_path);
+ strcat (newargz[0], "$objdir");
+ strcat (newargz[0], "/");
EOF
+ cat <<"EOF"
+ /* stop here, and copy so we don't have to do this twice */
+ tmp_pathspec = xstrdup (newargz[0]);
+
+ /* do NOT want the lt- prefix here, so use actual_cwrapper_name */
+ strcat (newargz[0], actual_cwrapper_name);
+
+ /* DO want the lt- prefix here if it exists, so use target_name */
+ lt_argv_zero = lt_extend_str (tmp_pathspec, target_name, 1);
+ XFREE (tmp_pathspec);
+ tmp_pathspec = 0;
+EOF
case $host_os in
mingw*)
cat <<"EOF"
{
char* p;
- while ((p = strchr (newargz[1], '\\')) != NULL)
+ while ((p = strchr (newargz[0], '\\')) != NULL)
+ {
+ *p = '/';
+ }
+ while ((p = strchr (lt_argv_zero, '\\')) != NULL)
{
*p = '/';
}
@@ -2791,40 +2968,107 @@ EOF
esac
cat <<"EOF"
- XFREE (shwrapper_name);
+ XFREE (target_name);
XFREE (actual_cwrapper_path);
+ XFREE (actual_cwrapper_name);
- /* always write in binary mode */
- if ((shwrapper = fopen (newargz[1], FOPEN_WB)) == 0)
- {
- lt_fatal ("Could not open %s for writing", newargz[1]);
- }
- fprintf (shwrapper, "%s", script_text_part1);
- fprintf (shwrapper, "%s", script_text_part2);
- fclose (shwrapper);
-
- make_executable (newargz[1]);
+ lt_setenv ("BIN_SH", "xpg4"); /* for Tru64 */
+ lt_setenv ("DUALCASE", "1"); /* for MSK sh */
+ lt_update_lib_path (LIB_PATH_VARNAME, LIB_PATH_VALUE);
+ lt_update_exe_path (EXE_PATH_VARNAME, EXE_PATH_VALUE);
+ newargc=0;
for (i = 1; i < argc; i++)
- newargz[i + 1] = xstrdup (argv[i]);
- newargz[argc + 1] = NULL;
+ {
+ size_t arglen = strlen (argv[i]);
+ if (strncmp (argv[i], env_set_opt, env_set_opt_len) == 0)
+ {
+ if ((arglen > env_set_opt_len) && (argv[i][env_set_opt_len] == '='))
+ {
+ const char *p = argv[i] + env_set_opt_len + 1;
+ lt_opt_process_env_set (p);
+ }
+ else if ((arglen == env_set_opt_len) &&
+ (i + 1 < argc) &&
+ (strcmp (argv[i + 1], "--") != 0))
+ {
+ lt_opt_process_env_set (argv[i + 1]);
+ i++; /* don't copy */
+ }
+ else
+ lt_fatal ("%s missing required argument", env_set_opt);
+ continue;
+ }
+ if (strncmp (argv[i], env_prepend_opt, env_prepend_opt_len) == 0)
+ {
+ if ((arglen > env_prepend_opt_len) &&
+ (argv[i][env_prepend_opt_len] == '='))
+ {
+ const char *p = argv[i] + env_prepend_opt_len + 1;
+ lt_opt_process_env_prepend (p);
+ }
+ else if ((arglen == env_prepend_opt_len) &&
+ (i + 1 < argc) &&
+ (strcmp (argv[i + 1], "--") != 0))
+ {
+ lt_opt_process_env_prepend (argv[i + 1]);
+ i++; /* don't copy */
+ }
+ else
+ lt_fatal ("%s missing required argument", env_prepend_opt);
+ continue;
+ }
+ if (strncmp (argv[i], env_append_opt, env_append_opt_len) == 0)
+ {
+ if ((arglen > env_append_opt_len) &&
+ (argv[i][env_append_opt_len] == '='))
+ {
+ const char *p = argv[i] + env_append_opt_len + 1;
+ lt_opt_process_env_append (p);
+ }
+ else if ((arglen == env_append_opt_len) &&
+ (i + 1 < argc) &&
+ (strcmp (argv[i + 1], "--") != 0))
+ {
+ lt_opt_process_env_append (argv[i + 1]);
+ i++; /* don't copy */
+ }
+ else
+ lt_fatal ("%s missing required argument", env_append_opt);
+ continue;
+ }
+ if (strcmp (argv[i], "--") == 0)
+ {
+ /* immediately copy all the rest of the arguments */
+ ++i;
+ for (; i < argc; i++)
+ newargz[++newargc] = xstrdup (argv[i]);
+
+ /* same as break, because i = argc */
+ continue;
+ }
+ /* otherwise ... */
+ newargz[++newargc] = xstrdup (argv[i]);
+ }
+ newargz[++newargc] = NULL;
- for (i = 0; i < argc + 1; i++)
+ LTWRAPPER_DEBUGPRINTF (("(main) lt_argv_zero : %s\n", (lt_argv_zero ?
lt_argv_zero : "<NULL>")));
+ for (i = 0; i < newargc; i++)
{
- LTWRAPPER_DEBUGPRINTF (("(main) newargz[%d] : %s\n", i, newargz[i]));
+ LTWRAPPER_DEBUGPRINTF (("(main) newargz[%d] : %s\n", i, (newargz[i] ?
newargz[i] : "<NULL>")));
}
EOF
case $host_os in
mingw*)
- cat <<EOF
+ cat <<"EOF"
/* execv doesn't actually work on mingw as expected on unix */
- rval = _spawnv (_P_WAIT, "$lt_newargv0", (const char * const *) newargz);
+ rval = _spawnv (_P_WAIT, lt_argv_zero, (const char * const *) newargz);
if (rval == -1)
{
/* failed to start process */
- LTWRAPPER_DEBUGPRINTF (("(main) failed to launch target
\"$lt_newargv0\": errno = %d\n", errno));
+ LTWRAPPER_DEBUGPRINTF (("(main) failed to launch target \"%s\": errno =
%d\n", lt_argv_zero, errno));
return 127;
}
return rval;
@@ -2832,8 +3076,8 @@ EOF
EOF
;;
*)
- cat <<EOF
- execv ("$lt_newargv0", newargz);
+ cat <<"EOF"
+ execv (lt_argv_zero, newargz);
return rval; /* =127, but avoids unused variable warning */
}
EOF
@@ -3114,6 +3358,177 @@ lt_fatal (const char *message, ...)
lt_error_core (EXIT_FAILURE, "FATAL", message, ap);
va_end (ap);
}
+
+void
+lt_setenv (const char *name, const char *value)
+{
+ LTWRAPPER_DEBUGPRINTF (("(lt_setenv) setting '%s' to '%s'\n",
+ (name ? name : "<NULL>"),
+ (value ? value : "<NULL>")));
+ {
+#ifdef HAVE_SETENV
+ /* always make a copy, for consistency with !HAVE_SETENV */
+ char *str = xstrdup (value);
+ setenv (name, str, 1);
+#else
+ int len = strlen (name) + 1 + strlen (value) + 1;
+ char *str = XMALLOC (char, len);
+ sprintf (str, "%s=%s", name, value);
+ if (putenv (str) != EXIT_SUCCESS)
+ {
+ XFREE (str);
+ }
+#endif
+ }
+}
+
+char *
+lt_extend_str (const char *orig_value, const char *add, int to_end)
+{
+ char *new_value;
+ if (orig_value && *orig_value)
+ {
+ int orig_value_len = strlen (orig_value);
+ int add_len = strlen (add);
+ new_value = XMALLOC (char, add_len + orig_value_len + 1);
+ if (to_end)
+ {
+ strcpy (new_value, orig_value);
+ strcpy (new_value + orig_value_len, add);
+ }
+ else
+ {
+ strcpy (new_value, add);
+ strcpy (new_value + add_len, orig_value);
+ }
+ }
+ else
+ {
+ new_value = xstrdup (add);
+ }
+ return new_value;
+}
+
+int
+lt_split_name_value (const char *arg, char** name, char** value)
+{
+ const char *p;
+ int len;
+ if (!arg || !*arg)
+ return 1;
+
+ p = strchr (arg, (int)'=');
+
+ if (!p)
+ return 1;
+
+ *value = xstrdup (++p);
+
+ len = strlen (arg) - strlen (*value);
+ *name = XMALLOC (char, len);
+ strncpy (*name, arg, len-1);
+ (*name)[len - 1] = '\0';
+
+ return 0;
+}
+
+void
+lt_opt_process_env_set (const char *arg)
+{
+ char *name = NULL;
+ char *value = NULL;
+
+ if (lt_split_name_value (arg, &name, &value) != 0)
+ {
+ XFREE (name);
+ XFREE (value);
+ lt_fatal ("bad argument for %s: '%s'", env_set_opt, arg);
+ }
+
+ lt_setenv (name, value);
+ XFREE (name);
+ XFREE (value);
+}
+
+void
+lt_opt_process_env_prepend (const char *arg)
+{
+ char *name = NULL;
+ char *value = NULL;
+ char *new_value = NULL;
+
+ if (lt_split_name_value (arg, &name, &value) != 0)
+ {
+ XFREE (name);
+ XFREE (value);
+ lt_fatal ("bad argument for %s: '%s'", env_prepend_opt, arg);
+ }
+
+ new_value = lt_extend_str (getenv (name), value, 0);
+ lt_setenv (name, new_value);
+ XFREE (new_value);
+ XFREE (name);
+ XFREE (value);
+}
+
+void
+lt_opt_process_env_append (const char *arg)
+{
+ char *name = NULL;
+ char *value = NULL;
+ char *new_value = NULL;
+
+ if (lt_split_name_value (arg, &name, &value) != 0)
+ {
+ XFREE (name);
+ XFREE (value);
+ lt_fatal ("bad argument for %s: '%s'", env_append_opt, arg);
+ }
+
+ new_value = lt_extend_str (getenv (name), value, 1);
+ lt_setenv (name, new_value);
+ XFREE (new_value);
+ XFREE (name);
+ XFREE (value);
+}
+
+void
+lt_update_exe_path (const char *name, const char *value)
+{
+ LTWRAPPER_DEBUGPRINTF (("(lt_update_exe_path) modifying '%s' by prepending
'%s'\n",
+ (name ? name : "<NULL>"),
+ (value ? value : "<NULL>")));
+
+ if (name && *name && value && *value)
+ {
+ char *new_value = lt_extend_str (getenv (name), value, 0);
+ /* some systems can't cope with a ':'-terminated path #' */
+ int len = strlen (new_value);
+ while (((len = strlen (new_value)) > 0) && IS_PATH_SEPARATOR
(new_value[len-1]))
+ {
+ new_value[len-1] = '\0';
+ }
+ lt_setenv (name, new_value);
+ XFREE (new_value);
+ }
+}
+
+void
+lt_update_lib_path (const char *name, const char *value)
+{
+ LTWRAPPER_DEBUGPRINTF (("(lt_update_lib_path) modifying '%s' by prepending
'%s'\n",
+ (name ? name : "<NULL>"),
+ (value ? value : "<NULL>")));
+
+ if (name && *name && value && *value)
+ {
+ char *new_value = lt_extend_str (getenv (name), value, 0);
+ lt_setenv (name, new_value);
+ XFREE (new_value);
+ }
+}
+
+
EOF
}
# end: func_emit_cwrapperexe_src
@@ -6910,11 +7325,10 @@ EOF
func_emit_cwrapperexe_src > $cwrappersource
- # we should really use a build-platform specific compiler
- # here, but OTOH, the wrappers (shell script and this C one)
- # are only useful if you want to execute the "real" binary.
- # Since the "real" binary is built for $host, then this
- # wrapper might as well be built for $host, too.
+ # The wrapper executable is built using the $host compiler,
+ # because it contains $host paths and files. If cross-
+ # compiling, it, like the target executable, must be
+ # executed on the $host or under an emulation environment.
$opt_dry_run || {
$LTCC $LTCFLAGS -o $cwrapper $cwrappersource
$STRIP $cwrapper
hooks/post-receive
--
GNU Libtool
