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authorAndreas Enge <andreas@enge.fr>2023-04-13 11:46:47 +0200
committerAndreas Enge <andreas@enge.fr>2023-04-13 18:53:42 +0200
commit9900f9e9b86550e7d336b04ad46fba088e28cbd6 (patch)
tree91bd16bd70e66d2ec42c0049fbca3e45137a6803 /gnu/packages/patches
parenta957171bc41e98e29674f99cf3dd2940ff45a0d3 (diff)
downloadguix-9900f9e9b86550e7d336b04ad46fba088e28cbd6.tar.gz
gnu: gcc-11: Fix build on powerpc64le.
* gnu/packages/patches/gcc-11-libstdc++-powerpc.patch: New file.
* gnu/local.mk (dist_patch_DATA): Register patch.
* gnu/packages/gcc.scm (make-libstdc++): Apply patch for gcc versions >= 11
and < 12 on ppc64le.

Co-authored-by: Christopher Baines <mail@cbaines.net>
Diffstat (limited to 'gnu/packages/patches')
-rw-r--r--gnu/packages/patches/gcc-11-libstdc++-powerpc.patch18
1 files changed, 18 insertions, 0 deletions
diff --git a/gnu/packages/patches/gcc-11-libstdc++-powerpc.patch b/gnu/packages/patches/gcc-11-libstdc++-powerpc.patch
new file mode 100644
index 0000000000..aff2ef16f1
--- /dev/null
+++ b/gnu/packages/patches/gcc-11-libstdc++-powerpc.patch
@@ -0,0 +1,18 @@
+diff -u -r gcc-11.3.0.alt/libstdc++-v3/src/c++17/floating_from_chars.cc gcc-11.3.0/libstdc++-v3/src/c++17/floating_from_chars.cc
+--- gcc-11.3.0.alt/libstdc++-v3/src/c++17/floating_from_chars.cc	2023-04-13 11:36:08.169841428 +0200
++++ gcc-11.3.0/libstdc++-v3/src/c++17/floating_from_chars.cc	2023-04-13 11:36:54.825827304 +0200
+@@ -495,8 +495,14 @@
+ from_chars(const char* first, const char* last, __ieee128& value,
+ 	   chars_format fmt) noexcept
+ {
++#if _GLIBCXX_USE_CXX11_ABI
+   buffer_resource mr;
+   pmr::string buf(&mr);
++#else
++  string buf;
++  if (!reserve_string(buf))
++    return make_result(first, 0, {}, ec);
++#endif
+   size_t len = 0;
+   errc ec = errc::invalid_argument;
+   __try