Rename the very badly named 'UCLIBC_GCC' to 'UCLIBC_ENV' and

implement 'UCLIBC_CC', which does this:

$ UCLIBC_CC=gcc-2.95 /usr/i386-linux-uclibc/bin/i386-uclibc-gcc --version
2.95.4

$ UCLIBC_CC=gcc-3.3 /usr/i386-linux-uclibc/bin/i386-uclibc-gcc --version
gcc-3.3 (GCC) 3.3 (Debian)
Copyright (C) 2003 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

diff --git a/extra/gcc-uClibc/gcc-uClibc.c b/extra/gcc-uClibc/gcc-uClibc.c
index 7b48ef8..ba6776c 100644 (file)
--- a/extra/gcc-uClibc/gcc-uClibc.c
+++ b/extra/gcc-uClibc/gcc-uClibc.c
@@ -24,12 +24,12 @@
  * If you want to use the uninstalled header files and libs, either include
  * the string "build" in the invocation name such as
  *       'ln -s <ARCH>-uclibc-gcc <ARCH>-uclibc-gcc-build'
- * or include it in the environment variable setting of UCLIBC_GCC.
+ * or include it in the environment variable setting of UCLIBC_ENV.
  * Note: This automatically enables the "rpath" behavior described below.
  *
  * The wrapper will now pass the location of the uClibc shared libs used to
  * the linker with the "-rpath" option if the invocation name includes the
- * string "rpath" or if the environment variable UCLIBC_GCC include it (as
+ * string "rpath" or if the environment variable UCLIBC_ENV include it (as
  * with "build" above).  This is primarily intended to be used on devel
  * platforms of the same arch as the target.  A good place to use this feature
  * would be in the uClibc/test directory.
@@ -39,7 +39,7 @@
  * May 31, 2001
  *
  * "rpath" and "build" behavior are now decoupled.  You can of course get
- * the old "build" behavior by setting UCLIBC_GCC="rpath-build".  Order
+ * the old "build" behavior by setting UCLIBC_ENV="rpath-build".  Order
  * isn't important here, as only the substrings are searched for.
  *
  * Added environment variable check for UCLIBC_GCC_DLOPT to let user specify
@@ -187,6 +187,7 @@ int main(int argc, char **argv)
        char *builddir;
        char *libstr;
        char *build_dlstr = 0;
+       char *cc;
        char *ep;
        char *rpath_link[2];
        char *rpath[2];
@@ -208,6 +209,11 @@ int main(int argc, char **argv)
        char *gcrt1_path[2];
 #endif
 
+       cc     = getenv("UCLIBC_CC");
+       if (!cc) {
+               cc = GCC_BIN;
+       }
+
        application_name = basename(argv[0]);
        if (application_name[0] == '-')
                application_name++;
@@ -221,10 +227,9 @@ int main(int argc, char **argv)
        len = strlen(application_name);
        if ((strcmp(application_name+len-3, "g++")==0) ||
                (strcmp(application_name+len-3, "c++")==0)) {
-           char *gcc_bin = GCC_BIN;
-           len = strlen(gcc_bin);
-           if (strcmp(gcc_bin+len-3, "gcc")==0) {
-               GPLUSPLUS_BIN = strdup(gcc_bin);
+           len = strlen(cc);
+           if (strcmp(cc+len-3, "gcc")==0) {
+               GPLUSPLUS_BIN = strdup(cc);
                GPLUSPLUS_BIN[len-1]='+';
                GPLUSPLUS_BIN[len-2]='+';
            }
@@ -246,6 +251,20 @@ int main(int argc, char **argv)
        incstr = getenv("UCLIBC_GCC_INC");
        libstr = getenv("UCLIBC_GCC_LIB");
 
+       ep     = getenv("UCLIBC_ENV");
+       if (!ep) {
+               ep = "";
+       }
+
+       if (strstr(ep,"build") != 0) {
+               use_build_dir = 1;
+       }
+
+       if (strstr(ep,"rpath") != 0) {
+               use_rpath = 1;
+       }
+
+
        xstrcat(&(rpath_link[0]), "-Wl,-rpath-link,", devprefix, "/lib", NULL);
        xstrcat(&(rpath_link[1]), "-Wl,-rpath-link,", builddir, "/lib", NULL);
 
@@ -282,19 +301,6 @@ int main(int argc, char **argv)
        }
 #endif
 
-       ep = getenv("UCLIBC_GCC");
-       if (!ep) {
-               ep = "";
-       }
-
-       if (strstr(ep,"build") != 0) {
-               use_build_dir = 1;
-       }
-
-       if (strstr(ep,"rpath") != 0) {
-               use_rpath = 1;
-       }
-
        m = 0;
        libraries = __builtin_alloca(sizeof(char*) * (argc));
        libraries[m] = '\0';
@@ -443,7 +449,7 @@ int main(int argc, char **argv)
                    close(2);
                    dup2(gcc_pipe[1], 1);
                    dup2(gcc_pipe[1], 2);
-                   argv[0] = GCC_BIN; 
+                   argv[0] = cc; 
                    argv[2] = "-print-libgcc-file-name";
                    argv[3] = NULL;
                    execvp(argv[0], argv);
@@ -485,7 +491,7 @@ crash_n_burn:
            gcc_argv[i++] = GPLUSPLUS_BIN;
        else
 #endif
-           gcc_argv[i++] = GCC_BIN;
+           gcc_argv[i++] = cc;
        
        for ( j = 1 ; j < argc ; j++ ) {
                if (argv[j]=='\0') {
@@ -625,5 +631,5 @@ crash_n_burn:
            return execvp(GPLUSPLUS_BIN, gcc_argv);
        else
 #endif
-           return execvp(GCC_BIN, gcc_argv);
+           return execvp(cc, gcc_argv);
 }