diff options
| -rw-r--r-- | Makefile.in | 3 | ||||
| -rw-r--r-- | Makefile.tpl | 3 | ||||
| -rwxr-xr-x | configure | 154 | ||||
| -rw-r--r-- | configure.ac | 41 | ||||
| -rw-r--r-- | gcc/rust/Make-lang.in | 5 |
5 files changed, 205 insertions, 1 deletions
diff --git a/Makefile.in b/Makefile.in index db4fa6c..34c5550 100644 --- a/Makefile.in +++ b/Makefile.in @@ -197,6 +197,7 @@ HOST_EXPORTS = \ $(BASE_EXPORTS) \ CC="$(CC)"; export CC; \ ADA_CFLAGS="$(ADA_CFLAGS)"; export ADA_CFLAGS; \ + CRAB1_LIBS="$(CRAB1_LIBS)"; export CRAB1_LIBS; \ CFLAGS="$(CFLAGS)"; export CFLAGS; \ CONFIG_SHELL="$(SHELL)"; export CONFIG_SHELL; \ CXX="$(CXX)"; export CXX; \ @@ -450,6 +451,8 @@ GOCFLAGS = $(CFLAGS) GDCFLAGS = @GDCFLAGS@ GM2FLAGS = $(CFLAGS) +CRAB1_LIBS = @CRAB1_LIBS@ + PKG_CONFIG_PATH = @PKG_CONFIG_PATH@ GUILE = guile diff --git a/Makefile.tpl b/Makefile.tpl index 1d5813c..8f4bf29 100644 --- a/Makefile.tpl +++ b/Makefile.tpl @@ -200,6 +200,7 @@ HOST_EXPORTS = \ $(BASE_EXPORTS) \ CC="$(CC)"; export CC; \ ADA_CFLAGS="$(ADA_CFLAGS)"; export ADA_CFLAGS; \ + CRAB1_LIBS="$(CRAB1_LIBS)"; export CRAB1_LIBS; \ CFLAGS="$(CFLAGS)"; export CFLAGS; \ CONFIG_SHELL="$(SHELL)"; export CONFIG_SHELL; \ CXX="$(CXX)"; export CXX; \ @@ -453,6 +454,8 @@ GOCFLAGS = $(CFLAGS) GDCFLAGS = @GDCFLAGS@ GM2FLAGS = $(CFLAGS) +CRAB1_LIBS = @CRAB1_LIBS@ + PKG_CONFIG_PATH = @PKG_CONFIG_PATH@ GUILE = guile @@ -690,6 +690,7 @@ extra_host_zlib_configure_flags extra_host_libiberty_configure_flags stage1_languages host_libs_picflag +CRAB1_LIBS PICFLAG host_shared gcc_host_pie @@ -8875,6 +8876,139 @@ fi +# Rust requires -ldl and -lpthread if you are using an old glibc that does not include them by +# default, so we check for them here + +missing_rust_dynlibs=none + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing dlopen" >&5 +$as_echo_n "checking for library containing dlopen... " >&6; } +if ${ac_cv_search_dlopen+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_func_search_save_LIBS=$LIBS +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char dlopen (); +int +main () +{ +return dlopen (); + ; + return 0; +} +_ACEOF +for ac_lib in '' dl; do + if test -z "$ac_lib"; then + ac_res="none required" + else + ac_res=-l$ac_lib + LIBS="-l$ac_lib $ac_func_search_save_LIBS" + fi + if ac_fn_c_try_link "$LINENO"; then : + ac_cv_search_dlopen=$ac_res +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext + if ${ac_cv_search_dlopen+:} false; then : + break +fi +done +if ${ac_cv_search_dlopen+:} false; then : + +else + ac_cv_search_dlopen=no +fi +rm conftest.$ac_ext +LIBS=$ac_func_search_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_dlopen" >&5 +$as_echo "$ac_cv_search_dlopen" >&6; } +ac_res=$ac_cv_search_dlopen +if test "$ac_res" != no; then : + test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" + +fi + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing pthread_create" >&5 +$as_echo_n "checking for library containing pthread_create... " >&6; } +if ${ac_cv_search_pthread_create+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_func_search_save_LIBS=$LIBS +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char pthread_create (); +int +main () +{ +return pthread_create (); + ; + return 0; +} +_ACEOF +for ac_lib in '' pthread; do + if test -z "$ac_lib"; then + ac_res="none required" + else + ac_res=-l$ac_lib + LIBS="-l$ac_lib $ac_func_search_save_LIBS" + fi + if ac_fn_c_try_link "$LINENO"; then : + ac_cv_search_pthread_create=$ac_res +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext + if ${ac_cv_search_pthread_create+:} false; then : + break +fi +done +if ${ac_cv_search_pthread_create+:} false; then : + +else + ac_cv_search_pthread_create=no +fi +rm conftest.$ac_ext +LIBS=$ac_func_search_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_pthread_create" >&5 +$as_echo "$ac_cv_search_pthread_create" >&6; } +ac_res=$ac_cv_search_pthread_create +if test "$ac_res" != no; then : + test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" + +fi + + +if test $ac_cv_search_dlopen = -ldl; then + CRAB1_LIBS="$CRAB1_LIBS -ldl" +elif test $ac_cv_search_dlopen = no; then + missing_rust_dynlibs="libdl" +fi + +if test $ac_cv_search_pthread_create = -lpthread; then + CRAB1_LIBS="$CRAB1_LIBS -lpthread" +elif test $ac_cv_search_pthread_crate = no; then + missing_rust_dynlibs="$missing_rust_dynlibs, libpthread" +fi + +CRAB1_LIBS="$CRAB1_LIBS" + + # If we are building PIC/PIE host executables, and we are building dependent # libs (e.g. GMP) in-tree those libs need to be configured to generate PIC # code. @@ -9115,6 +9249,26 @@ $as_echo "$as_me: WARNING: GDC is required to build $language" >&2;} ;; esac + # Disable Rust if we are missing some required C libraries for the Rust runtime. + case ${add_this_lang}:${language}:${missing_rust_dynlibs} in + *:rust:none) + # Nothing to do - we're not missing any C libraries + ;; + yes:rust:*) + as_fn_error $? "some C libraries are required to build $language: $missing_rust_dynlibs" "$LINENO" 5 + add_this_lang=unsupported + ;; + all:rust:*) + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: some C libraries are required to build $language: $missing_rust_dynlibs" >&5 +$as_echo "$as_me: WARNING: some C libraries are required to build $language: $missing_rust_dynlibs" >&2;} + add_this_lang=unsupported + ;; + *:rust:*) + # Silently disable. + add_this_lang=unsupported + ;; + esac + # Disable jit if -enable-host-shared not specified # but not if building for Mingw. All code in Windows # is position independent code (PIC). diff --git a/configure.ac b/configure.ac index 042681c..5eda8dc 100644 --- a/configure.ac +++ b/configure.ac @@ -2037,6 +2037,28 @@ fi AC_SUBST(PICFLAG) +# Rust requires -ldl and -lpthread if you are using an old glibc that does not include them by +# default, so we check for them here + +missing_rust_dynlibs=none + +AC_SEARCH_LIBS([dlopen], [dl]) +AC_SEARCH_LIBS([pthread_create], [pthread]) + +if test $ac_cv_search_dlopen = -ldl; then + CRAB1_LIBS="$CRAB1_LIBS -ldl" +elif test $ac_cv_search_dlopen = no; then + missing_rust_dynlibs="libdl" +fi + +if test $ac_cv_search_pthread_create = -lpthread; then + CRAB1_LIBS="$CRAB1_LIBS -lpthread" +elif test $ac_cv_search_pthread_crate = no; then + missing_rust_dynlibs="$missing_rust_dynlibs, libpthread" +fi + +AC_SUBST(CRAB1_LIBS, "$CRAB1_LIBS") + # If we are building PIC/PIE host executables, and we are building dependent # libs (e.g. GMP) in-tree those libs need to be configured to generate PIC # code. @@ -2274,6 +2296,25 @@ if test -d ${srcdir}/gcc; then ;; esac + # Disable Rust if we are missing some required C libraries for the Rust runtime. + case ${add_this_lang}:${language}:${missing_rust_dynlibs} in + *:rust:none) + # Nothing to do - we're not missing any C libraries + ;; + yes:rust:*) + AC_MSG_ERROR([some C libraries are required to build $language: $missing_rust_dynlibs]) + add_this_lang=unsupported + ;; + all:rust:*) + AC_MSG_WARN([some C libraries are required to build $language: $missing_rust_dynlibs]) + add_this_lang=unsupported + ;; + *:rust:*) + # Silently disable. + add_this_lang=unsupported + ;; + esac + # Disable jit if -enable-host-shared not specified # but not if building for Mingw. All code in Windows # is position independent code (PIC). diff --git a/gcc/rust/Make-lang.in b/gcc/rust/Make-lang.in index 8db0416..e437c32 100644 --- a/gcc/rust/Make-lang.in +++ b/gcc/rust/Make-lang.in @@ -210,8 +210,11 @@ rust_OBJS = $(RUST_ALL_OBJS) rust/rustspec.o LIBPROC_MACRO_INTERNAL = ../libgrust/libproc_macro_internal/libproc_macro_internal.a + +RUST_LIBDEPS = $(LIBDEPS) $(LIBPROC_MACRO_INTERNAL) + # The compiler itself is called crab1 -crab1$(exeext): $(RUST_ALL_OBJS) attribs.o $(BACKEND) $(LIBDEPS) $(LIBPROC_MACRO_INTERNAL) $(rust.prev) +crab1$(exeext): $(RUST_ALL_OBJS) attribs.o $(BACKEND) $(RUST_LIBDEPS) $(rust.prev) @$(call LINK_PROGRESS,$(INDEX.rust),start) +$(LLINKER) $(ALL_LINKERFLAGS) $(LDFLAGS) -o $@ \ $(RUST_ALL_OBJS) attribs.o $(BACKEND) $(LIBS) $(LIBPROC_MACRO_INTERNAL) $(BACKENDLIBS) |