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-rw-r--r--gnu/packages/gcc.scm25
1 files changed, 18 insertions, 7 deletions
diff --git a/gnu/packages/gcc.scm b/gnu/packages/gcc.scm
index bbc0a134d2..db1984306e 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 +159,18 @@ 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)
+ "^gnu-user.*\\.h$")
+ (("#define GNU_USER_TARGET_LIB_SPEC (.*)$" _ 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"
+ (format #f "#define GNU_USER_TARGET_LIB_SPEC \
+\"-L~a/lib %{!static:-rpath=~a/lib %{!static-libgcc:-rpath=~a/lib64 -rpath=~a/lib}} \" ~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.