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02/03: gnu: gcc: Fix cross-compilation.
From: |
Ludovic Courtès |
Subject: |
02/03: gnu: gcc: Fix cross-compilation. |
Date: |
Wed, 20 Dec 2017 17:21:58 -0500 (EST) |
civodul pushed a commit to branch core-updates
in repository guix.
commit 066ccc2c69390f630237eadac1f69c03df22b87a
Author: Ludovic Courtès <address@hidden>
Date: Wed Dec 20 22:21:16 2017 +0100
gnu: gcc: Fix cross-compilation.
Previously "guix build address@hidden --target=TRIPLET" would fail like
this:
checking for exported symbols...
/tmp/guix-build-gcc-5.5.0.drv-0/gcc-5.5.0/libcc1/configure: line 14531: -T:
command not found
yes
checking for -rdynamic...
/tmp/guix-build-gcc-5.5.0.drv-0/gcc-5.5.0/libcc1/configure: line 14541: -T:
command not found
no
checking for library containing dlopen... -ldl
checking for -fPIC -shared... yes
configure: error:
Building GCC with plugin support requires a host that supports
-fPIC, -shared, -ldl and -rdynamic.
* gnu/packages/gcc.scm (gcc-4.7)[maybe-target-tools]: Add "OBJDUMP".
(gcc-5)[source](snippet, modules): New fields.
---
gnu/packages/gcc.scm | 18 +++++++++++++++---
1 file changed, 15 insertions(+), 3 deletions(-)
diff --git a/gnu/packages/gcc.scm b/gnu/packages/gcc.scm
index 84d2f9a..7f4cf8a 100644
--- a/gnu/packages/gcc.scm
+++ b/gnu/packages/gcc.scm
@@ -80,8 +80,8 @@ where the OS part is overloaded to denote a specific
ABI---into GCC
(map (lambda (var tool)
(string-append (string-append var "_FOR_TARGET")
"=" target "-" tool))
- '("CC" "CXX" "LD" "AR" "NM" "RANLIB" "STRIP")
- '("gcc" "g++" "ld" "ar" "nm" "ranlib" "strip"))
+ '("CC" "CXX" "LD" "AR" "NM" "OBJDUMP" "RANLIB" "STRIP")
+ '("gcc" "g++" "ld" "ar" "nm" "objdump" "ranlib"
"strip"))
'()))))
(libdir
(let ((base '(or (assoc-ref outputs "lib")
@@ -396,7 +396,19 @@ Go. It also includes runtime support libraries for these
languages.")
"gcc-5.0-libvtv-runpath.patch"
"gcc-5-source-date-epoch-1.patch"
"gcc-5-source-date-epoch-2.patch"
- "gcc-fix-texi2pod.patch"))))
+ "gcc-fix-texi2pod.patch"))
+ (modules '((guix build utils)))
+ (snippet
+ ;; Fix 'libcc1/configure' error when cross-compiling GCC.
+ ;; Without that, 'libcc1/configure' wrongfully determines that
+ ;; '-rdynamic' support is missing because $gcc_cv_objdump is
+ ;; empty:
+ ;;
+ ;; https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67590
+ ;;
http://cgit.openembedded.org/openembedded-core/commit/?id=f6e47aa9b12f9ab61530c40e0343f451699d9077
+ '(substitute* "libcc1/configure"
+ (("\\$gcc_cv_objdump -T")
+ "$OBJDUMP_FOR_TARGET -T")))))
(inputs
`(("isl" ,isl)
,@(package-inputs gcc-4.7)))))