diff options
Diffstat (limited to 'gnu/packages/gcc.scm')
| -rw-r--r-- | gnu/packages/gcc.scm | 34 |
1 files changed, 24 insertions, 10 deletions
diff --git a/gnu/packages/gcc.scm b/gnu/packages/gcc.scm index bbc0a134d2..aa3b48692e 100644 --- a/gnu/packages/gcc.scm +++ b/gnu/packages/gcc.scm @@ -73,6 +73,9 @@ where the OS part is overloaded to denote a specific ABI---into GCC "--enable-languages=c,c++" "--disable-multilib" + ;; No pre-compiled libstdc++ headers, to save space. + "--disable-libstdcxx-pch" + "--with-local-prefix=/no-gcc-local-prefix" ,(let ((libc (assoc-ref %build-inputs "libc"))) @@ -115,7 +118,9 @@ where the OS part is overloaded to denote a specific ABI---into GCC #:strip-binaries? ,stripped? #:configure-flags ,(configure-flags) #:make-flags - (let ((libc (assoc-ref %build-inputs "libc"))) + (let* ((libc (assoc-ref %build-inputs "libc")) + (libc-native (or (assoc-ref %build-inputs "libc-native") + libc))) `(,@(if libc (list (string-append "LDFLAGS_FOR_TARGET=" "-B" libc "/lib " @@ -123,6 +128,12 @@ where the OS part is overloaded to denote a specific ABI---into GCC "-Wl," libc ,(glibc-dynamic-linker))) '()) + + ;; Native programs like 'genhooks' also need that right. + ,(string-append "LDFLAGS=" + "-Wl,-rpath=" libc-native "/lib " + "-Wl,-dynamic-linker " + "-Wl," libc-native ,(glibc-dynamic-linker)) ,(string-append "BOOT_CFLAGS=-O2 " ,(if stripped? "-g0" "-g")))) @@ -148,18 +159,21 @@ where the OS part is overloaded to denote a specific ABI---into GCC ;; Tell where to find libstdc++, libc, and `?crt*.o', except ;; `crt{begin,end}.o', which come with GCC. (substitute* (find-files "gcc/config" - "^(gnu-user(64)?|linux-elf)\\.h$") - (("#define LIB_SPEC (.*)$" _ suffix) - ;; Note that with this "lib" spec, we may still add a - ;; RUNPATH to GCC even when `libgcc_s' is not NEEDED. - ;; There's not much that can be done to avoid it, though. - (format #f "#define LIB_SPEC \"-L~a/lib %{!static:-rpath=~a/lib \ -%{!static-libgcc:-rpath=~a/lib64 -rpath=~a/lib}} \" ~a" + "^gnu-user.*\\.h$") + (("#define GNU_USER_TARGET_LIB_SPEC (.*)$" _ suffix) + ;; Help libgcc_s.so be found (see also below.) Always use + ;; '-lgcc_s' so that libgcc_s.so is always found by those + ;; programs that use 'pthread_cancel' (glibc dlopens + ;; libgcc_s.so when pthread_cancel support is needed, but + ;; having it in the application's RUNPATH isn't enough; see + ;; <http://sourceware.org/ml/libc-help/2013-11/msg00023.html>.) + (format #f "#define GNU_USER_TARGET_LIB_SPEC \ +\"-L~a/lib %{!static:-rpath=~a/lib %{!static-libgcc:-rpath=~a/lib64 -rpath=~a/lib -lgcc_s}} \" ~a" libc libc out out suffix)) - (("#define STARTFILE_SPEC.*$" line) + (("#define GNU_USER_TARGET_STARTFILE_SPEC.*$" line) (format #f "#define STANDARD_STARTFILE_PREFIX_1 \"~a/lib\" #define STANDARD_STARTFILE_PREFIX_2 \"\" -~a~%" +~a" libc line)))) ;; Don't retain a dependency on the build-time sed. |