diff options
Diffstat (limited to 'extra/gcc-uClibc')
| -rw-r--r-- | extra/gcc-uClibc/Makefile | 25 | ||||
| -rw-r--r-- | extra/gcc-uClibc/gcc-uClibc.c | 82 |
2 files changed, 60 insertions, 47 deletions
diff --git a/extra/gcc-uClibc/Makefile b/extra/gcc-uClibc/Makefile index 71e31620c..3cfdad478 100644 --- a/extra/gcc-uClibc/Makefile +++ b/extra/gcc-uClibc/Makefile @@ -11,7 +11,8 @@ all: gcc-uClibc ld-uClibc gcc-uClibc.h: clean @echo "/* this file was autogenerated by make */" > gcc-uClibc.h - @echo "#define UCLIBC_INSTALL_DIR " \"$(INSTALL_DIR)/\" >> gcc-uClibc.h + @echo "#define UCLIBC_ROOT_DIR " \"$(ROOT_DIR)\" >> gcc-uClibc.h + @echo "#define UCLIBC_DEVEL_PREFIX " \"$(DEVEL_PREFIX)\" >> gcc-uClibc.h @echo "#define UCLIBC_BUILD_DIR " \"$(UCLIBC_DIR)/\" >> gcc-uClibc.h @echo "#define GCC_BIN " \"$(GCC_BIN)\" >> gcc-uClibc.h @echo "#define GCC_LIB " \"$(GCC_LIB)\" >> gcc-uClibc.h @@ -25,28 +26,28 @@ gcc-uClibc: gcc-uClibc.h gcc-uClibc.c ld-uClibc: @echo "#!/bin/sh" > $(TARGET_ARCH)-uclibc-ld @echo "# This file was autogenerated by make" >> $(TARGET_ARCH)-uclibc-ld - @echo "$(LD_BIN) -L- -L$(INSTALL_DIR)/lib -L$(INSTALL_DIR)/usr/lib "\ + @echo "$(LD_BIN) -L- -L$(DEVEL_PREFIX)$(ROOT_DIR)/lib -L$(DEVEL_PREFIX)$(ROOT_DIR)/usr/lib "\ "-L$(UCLIBC_DIR) \$$@" >> $(TARGET_ARCH)-uclibc-ld chmod a+x $(TARGET_ARCH)-uclibc-ld install: all - install -d $(INSTALL_DIR)/bin; - install -d $(INSTALL_DIR)/usr/bin; + install -d $(DEVEL_PREFIX)$(ROOT_DIR)/bin; + install -d $(DEVEL_PREFIX)$(ROOT_DIR)/usr/bin; if [ -x ./$(TARGET_ARCH)-uclibc-gcc ] ; then \ - install -m 755 $(TARGET_ARCH)-uclibc-gcc $(INSTALL_DIR)/usr/bin/ ; \ - install -m 755 $(TARGET_ARCH)-uclibc-ld $(INSTALL_DIR)/usr/bin/ ; \ - ln -fs ../usr/bin/$(TARGET_ARCH)-uclibc-gcc $(INSTALL_DIR)/bin/cc; \ - ln -fs ../usr/bin/$(TARGET_ARCH)-uclibc-gcc $(INSTALL_DIR)/bin/gcc; \ - ln -fs ../usr/bin/$(TARGET_ARCH)-uclibc-ld $(INSTALL_DIR)/bin/ld; \ - ln -fs $(TARGET_ARCH)-uclibc-gcc $(INSTALL_DIR)/usr/bin/$(TARGET_ARCH)-uclibc-cc; \ + install -m 755 $(TARGET_ARCH)-uclibc-gcc $(DEVEL_PREFIX)$(ROOT_DIR)/usr/bin/ ; \ + install -m 755 $(TARGET_ARCH)-uclibc-ld $(DEVEL_PREFIX)$(ROOT_DIR)/usr/bin/ ; \ + ln -fs ../usr/bin/$(TARGET_ARCH)-uclibc-gcc $(DEVEL_PREFIX)$(ROOT_DIR)/bin/cc; \ + ln -fs ../usr/bin/$(TARGET_ARCH)-uclibc-gcc $(DEVEL_PREFIX)$(ROOT_DIR)/bin/gcc; \ + ln -fs ../usr/bin/$(TARGET_ARCH)-uclibc-ld $(DEVEL_PREFIX)$(ROOT_DIR)/bin/ld; \ + ln -fs $(TARGET_ARCH)-uclibc-gcc $(DEVEL_PREFIX)$(ROOT_DIR)/usr/bin/$(TARGET_ARCH)-uclibc-cc; \ fi; for app in addr2line ar as cpp gasp nm objcopy \ objdump ranlib readelf size strings strip; do \ - ln -fs `which $(CROSS)$${app}` $(INSTALL_DIR)/bin/$${app}; \ + ln -fs `which $(CROSS)$${app}` $(DEVEL_PREFIX)$(ROOT_DIR)/bin/$${app}; \ done; for app in addr2line ar as cpp gasp nm objcopy \ objdump ranlib readelf size strings strip; do \ - ln -fs `which $(CROSS)$${app}` $(INSTALL_DIR)/usr/bin/$(TARGET_ARCH)-uclibc-$${app}; \ + ln -fs `which $(CROSS)$${app}` $(DEVEL_PREFIX)$(ROOT_DIR)/usr/bin/$(TARGET_ARCH)-uclibc-$${app}; \ done; diff --git a/extra/gcc-uClibc/gcc-uClibc.c b/extra/gcc-uClibc/gcc-uClibc.c index 9c6cec3eb..2cbf7f3d4 100644 --- a/extra/gcc-uClibc/gcc-uClibc.c +++ b/extra/gcc-uClibc/gcc-uClibc.c @@ -36,6 +36,29 @@ * * The wrapper now displays the command line passed to gcc when '-v' is used. * + * 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 + * isn't important here, as only the substrings are searched for. + * + * Added environment variable check for UCLIBC_GCC_DLOPT to let user specify + * an alternative dynamic linker at runtime without using command line args. + * Since this wouldn't commonly be used, I made it easy on myself. You have + * to match the option you would have passed to the gcc wrapper. As an + * example, + * + * export UCLIBC_GCC_DLOPT="-Wl,--dynamic-linker,/lib/ld-alt-linker.so.3" + * + * This is really only useful if target arch == devel arch and DEVEL_PREFIX + * isn't empty. It involves a recompile, but you can at least test apps + * on your devel system if combined with the "rpath" behavor if by using + * LD_LIBRARY_PATH, etc. + * + * Also added check for "-Wl,--dynamic-linker" on the command line. The + * use default dynamic linker or the envirnment-specified dynamic linker + * is disabled in that case. + * */ /* @@ -51,34 +74,32 @@ #include "gcc-uClibc.h" -#if 0 static char *rpath_link[] = { - "-Wl,-rpath-link,"UCLIBC_INSTALL_DIR"lib", - "-Wl,-rpath-link,"UCLIBC_BUILD_DIR"lib" + "-Wl,-rpath-link,"UCLIBC_DEVEL_PREFIX UCLIBC_ROOT_DIR"/lib", + "-Wl,-rpath-link,"UCLIBC_BUILD_DIR"/lib" }; static char *rpath[] = { - "-Wl,-rpath,"UCLIBC_INSTALL_DIR"lib", - "-Wl,-rpath,"UCLIBC_BUILD_DIR"lib" + "-Wl,-rpath,"UCLIBC_DEVEL_PREFIX UCLIBC_ROOT_DIR"/lib", + "-Wl,-rpath,"UCLIBC_BUILD_DIR"/lib" }; -#endif static char *uClibc_inc[] = { - "-I"UCLIBC_INSTALL_DIR"usr/include/", - "-I"UCLIBC_BUILD_DIR"include/" + "-I"UCLIBC_DEVEL_PREFIX UCLIBC_ROOT_DIR"/usr/include/", + "-I"UCLIBC_BUILD_DIR"/include/" }; static char *crt0_path[] = { - UCLIBC_INSTALL_DIR"lib/crt0.o", - UCLIBC_BUILD_DIR"lib/crt0.o" + UCLIBC_DEVEL_PREFIX UCLIBC_ROOT_DIR"/usr/lib/crt0.o", + UCLIBC_BUILD_DIR"/lib/crt0.o" }; static char *lib_path[] = { - "-L"UCLIBC_INSTALL_DIR"lib", - "-L"UCLIBC_BUILD_DIR"lib" + "-L"UCLIBC_DEVEL_PREFIX UCLIBC_ROOT_DIR"/lib", + "-L"UCLIBC_BUILD_DIR"/lib" }; -static char *usr_lib_path = "-L"UCLIBC_INSTALL_DIR"usr/lib"; +static char *usr_lib_path = "-L"UCLIBC_DEVEL_PREFIX UCLIBC_ROOT_DIR"/usr/lib"; static char static_linking[] = "-static"; static char nostdinc[] = "-nostdinc"; @@ -93,8 +114,14 @@ int main(int argc, char **argv) int source_count = 0, use_rpath = 0, verbose = 0; int i, j; char ** gcc_argv; + char *dlstr; char *ep; + dlstr = getenv("UCLIBC_GCC_DLOPT"); + if (!dlstr) { + dlstr = "-Wl,--dynamic-linker," DYNAMIC_LINKER; + } + ep = getenv("UCLIBC_GCC"); if (!ep) { ep = ""; @@ -102,7 +129,8 @@ int main(int argc, char **argv) if ((strstr(argv[0],"build") != 0) || (strstr(ep,"build") != 0)) { use_build_dir = 1; - } + +} if ((strstr(argv[0],"rpath") != 0) || (strstr(ep,"rpath") != 0)) { use_rpath = 1; @@ -144,6 +172,9 @@ int main(int argc, char **argv) if (strstr(argv[i],static_linking) != 0) { use_static_linking = 1; } + if (strstr(argv[i],"--dynamic-linker") != 0) { + dlstr = 0; + } } break; case '-': @@ -177,33 +208,14 @@ int main(int argc, char **argv) } if (linking && source_count) { if (!use_static_linking) { - if (DYNAMIC_LINKER[0]) { /* not empty string */ -#if 1 - gcc_argv[i++] = "-Wl,--dynamic-linker,"DYNAMIC_LINKER; - if (strstr(DYNAMIC_LINKER,"uclibc") != 0) { /* custom linker */ - use_rpath = 0; /* so -rpath not needed for normal case */ - } -#else - char *dlstr = "-Wl,--dynamic-linker,"DYNAMIC_LINKER; - if (strstr(DYNAMIC_LINKER,"uclibc") != 0) { /* custom linker */ - use_rpath = 0; /* so -rpath not needed for normal case */ - if (use_build_dir) { - dlstr = "-Wl,--dynamic-linker," \ - UCLIBC_BUILD_DIR DYNAMIC_LINKER; - } - } + if (dlstr) { gcc_argv[i++] = dlstr; -#endif } -#if 0 - if (use_build_dir || use_rpath) { + if (use_rpath) { gcc_argv[i++] = rpath[use_build_dir]; } -#endif } -#if 0 gcc_argv[i++] = rpath_link[use_build_dir]; /* just to be safe */ -#endif gcc_argv[i++] = lib_path[use_build_dir]; if (!use_build_dir) { gcc_argv[i++] = usr_lib_path; |