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authorEric Andersen <andersen@codepoet.org>2002-03-18 06:48:38 +0000
committerEric Andersen <andersen@codepoet.org>2002-03-18 06:48:38 +0000
commit48f2667be92bb15299ba7b08abc06f5a4a402adc (patch)
tree0c8299fedb86fa589e4264cfa656e71b4fe290e9
parent2f95bcd3824e0276e3969686f4eee9a77ed2b597 (diff)
Add initial support for compiling cpp code.
-Erik
-rw-r--r--extra/gcc-uClibc/Makefile4
-rw-r--r--extra/gcc-uClibc/gcc-uClibc.c54
2 files changed, 42 insertions, 16 deletions
diff --git a/extra/gcc-uClibc/Makefile b/extra/gcc-uClibc/Makefile
index 9ab027f82..f715903d2 100644
--- a/extra/gcc-uClibc/Makefile
+++ b/extra/gcc-uClibc/Makefile
@@ -44,7 +44,11 @@ install: all
install -d $(PREFIX)$(SYSTEM_DEVEL_PREFIX)/bin;
install -m 755 $(TARGET_ARCH)-uclibc-gcc $(PREFIX)$(SYSTEM_DEVEL_PREFIX)/bin/
install -m 755 $(TARGET_ARCH)-uclibc-ld $(PREFIX)$(SYSTEM_DEVEL_PREFIX)/bin/
+ ln -fs $(TARGET_ARCH)-uclibc-gcc $(PREFIX)$(SYSTEM_DEVEL_PREFIX)/bin/$(TARGET_ARCH)-uclibc-g++
+ ln -fs $(TARGET_ARCH)-uclibc-gcc $(PREFIX)$(SYSTEM_DEVEL_PREFIX)/bin/$(TARGET_ARCH)-uclibc-c++
ln -fs $(TARGET_ARCH)-uclibc-gcc $(PREFIX)$(SYSTEM_DEVEL_PREFIX)/bin/$(TARGET_ARCH)-uclibc-cc
+ ln -fs $(SYSTEM_DEVEL_PREFIX)/bin/$(TARGET_ARCH)-uclibc-gcc $(PREFIX)$(DEVEL_PREFIX)/bin/c++
+ ln -fs $(SYSTEM_DEVEL_PREFIX)/bin/$(TARGET_ARCH)-uclibc-gcc $(PREFIX)$(DEVEL_PREFIX)/bin/g++
ln -fs $(SYSTEM_DEVEL_PREFIX)/bin/$(TARGET_ARCH)-uclibc-gcc $(PREFIX)$(DEVEL_PREFIX)/bin/gcc
ln -fs $(SYSTEM_DEVEL_PREFIX)/bin/$(TARGET_ARCH)-uclibc-gcc $(PREFIX)$(DEVEL_PREFIX)/bin/cc
ln -fs $(SYSTEM_DEVEL_PREFIX)/bin/$(TARGET_ARCH)-uclibc-ld $(PREFIX)$(DEVEL_PREFIX)/bin/ld
diff --git a/extra/gcc-uClibc/gcc-uClibc.c b/extra/gcc-uClibc/gcc-uClibc.c
index fb8dcef87..2a600f7e7 100644
--- a/extra/gcc-uClibc/gcc-uClibc.c
+++ b/extra/gcc-uClibc/gcc-uClibc.c
@@ -64,8 +64,6 @@
*
*/
-#undef ENABLE_CRTBEGIN_END
-
/*
*
* TODO:
@@ -138,6 +136,7 @@ int main(int argc, char **argv)
int use_build_dir = 0, linking = 1, use_static_linking = 0;
int use_stdinc = 1, use_start = 1, use_stdlib = 1;
int source_count = 0, use_rpath = 0, verbose = 0;
+ int ctor_dtor = 0, cplusplus = 0;
int i, j, k, l, m;
char ** gcc_argv;
char ** gcc_argument;
@@ -154,10 +153,29 @@ int main(int argc, char **argv)
char *uClibc_inc[2];
char *lib_path[2];
char *crt0_path[2];
-#ifdef ENABLE_CRTBEGIN_END
+ const char *s, *application_name = argv[0];
char *crti_path[2];
char *crtn_path[2];
-#endif
+ char *GPLUSPLUS_BIN = NULL;
+
+ if (application_name[0] == '-')
+ application_name++;
+ for (s = application_name; *s != '\0';) {
+ if (*s++ == '/')
+ application_name = s;
+ }
+ /* We must use strstr since g++ might be named like a
+ * cross compiler (i.e. arm-linux-g++) . */
+ if (strstr(application_name, "g++")!=0 || strstr(application_name, "c++")!=0) {
+ if ((s=strstr(GCC_BIN,"gcc")) != 0) {
+ GPLUSPLUS_BIN = strdup(GCC_BIN);
+ GPLUSPLUS_BIN[1+s-GCC_BIN]='+';
+ GPLUSPLUS_BIN[2+s-GCC_BIN]='+';
+ }
+ ctor_dtor = 1;
+ cplusplus = 1;
+ }
+
devprefix = getenv("UCLIBC_DEVEL_PREFIX");
if (!devprefix) {
devprefix = UCLIBC_DEVEL_PREFIX;
@@ -182,12 +200,10 @@ int main(int argc, char **argv)
xstrcat(&(crt0_path[0]), devprefix, "/lib/crt0.o", NULL);
xstrcat(&(crt0_path[1]), builddir, "/lib/crt0.o", NULL);
-#ifdef ENABLE_CRTBEGIN_END
xstrcat(&(crti_path[0]), devprefix, "/lib/crti.o", NULL);
xstrcat(&(crti_path[1]), builddir, "/lib/crti.o", NULL);
xstrcat(&(crtn_path[0]), devprefix, "/lib/crtn.o", NULL);
xstrcat(&(crtn_path[1]), builddir, "/lib/crtn.o", NULL);
-#endif
xstrcat(&(lib_path[0]), "-L", devprefix, "/lib", NULL);
xstrcat(&(lib_path[1]), "-L", builddir, "/lib", NULL);
@@ -291,7 +307,10 @@ int main(int argc, char **argv)
#endif
i = 0; k = 0;
- gcc_argv[i++] = GCC_BIN;
+ if (cplusplus && GPLUSPLUS_BIN)
+ gcc_argv[i++] = GPLUSPLUS_BIN;
+ else
+ gcc_argv[i++] = GCC_BIN;
for ( j = 1 ; j < argc ; j++ ) {
if (strcmp("--uclibc-use-build-dir",argv[j]) == 0) {
@@ -349,10 +368,10 @@ int main(int argc, char **argv)
if (linking && source_count) {
if (use_start) {
-#ifdef ENABLE_CRTBEGIN_END
- gcc_argv[i++] = crti_path[use_build_dir];
- gcc_argv[i++] = GCC_LIB_DIR "crtbegin.o" ;
-#endif
+ if (ctor_dtor) {
+ gcc_argv[i++] = crti_path[use_build_dir];
+ gcc_argv[i++] = GCC_LIB_DIR "crtbegin.o" ;
+ }
gcc_argv[i++] = crt0_path[use_build_dir];
}
for ( l = 0 ; l < k ; l++ ) {
@@ -368,10 +387,10 @@ int main(int argc, char **argv)
gcc_argv[i++] = "-lgcc";
//gcc_argv[i++] = "-Wl,--end-group";
}
-#ifdef ENABLE_CRTBEGIN_END
- gcc_argv[i++] = GCC_LIB_DIR "crtend.o" ;
- gcc_argv[i++] = crtn_path[use_build_dir];
-#endif
+ if (ctor_dtor) {
+ gcc_argv[i++] = GCC_LIB_DIR "crtend.o" ;
+ gcc_argv[i++] = crtn_path[use_build_dir];
+ }
} else {
for ( l = 0 ; l < k ; l++ ) {
if (gcc_argument[l]) gcc_argv[i++] = gcc_argument[l];
@@ -386,5 +405,8 @@ int main(int argc, char **argv)
fflush(stdout);
}
//no need to free memory from xstrcat because we never return...
- return execvp(GCC_BIN, gcc_argv);
+ if (cplusplus && GPLUSPLUS_BIN)
+ return execvp(GPLUSPLUS_BIN, gcc_argv);
+ else
+ return execvp(GCC_BIN, gcc_argv);
}