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authorEfraim Flashner <efraim@flashner.co.il>2023-05-28 12:04:53 +0300
committerEfraim Flashner <efraim@flashner.co.il>2023-06-14 14:52:21 +0300
commitf9b8f38908da660a2f775de2656e47f3e9ec75bc (patch)
treeb2cb42b00570fc35def90d712beb9012122f8bbd /gnu/packages/patches
parentf3114ac4f0f1ac20a85dcb20c44cb32e06c22a14 (diff)
downloadguix-f9b8f38908da660a2f775de2656e47f3e9ec75bc.tar.gz
gnu: glibc-2.33: Fix building for riscv64-linux.
* gnu/packages/base.scm (glibc-2.33)[source]: Add patch.
* gnu/packages/patches/glibc-2.33-riscv64-miscompilation.patch: New file.
* gnu/local.mk (dist_patch_DATA): Register it.
Diffstat (limited to 'gnu/packages/patches')
-rw-r--r--gnu/packages/patches/glibc-2.33-riscv64-miscompilation.patch57
1 files changed, 57 insertions, 0 deletions
diff --git a/gnu/packages/patches/glibc-2.33-riscv64-miscompilation.patch b/gnu/packages/patches/glibc-2.33-riscv64-miscompilation.patch
new file mode 100644
index 0000000000..bcf297be94
--- /dev/null
+++ b/gnu/packages/patches/glibc-2.33-riscv64-miscompilation.patch
@@ -0,0 +1,57 @@
+This patch is from upstream glibc after 2.33 and is needed in Guix to
+fix glibc-2.33 compilation for riscv64-linux.
+
+From 044e603b698093cf48f6e6229e0b66acf05227e4 Mon Sep 17 00:00:00 2001
+From: Florian Weimer <fweimer@redhat.com>
+Date: Fri, 19 Feb 2021 13:29:00 +0100
+Subject: [PATCH] string: Work around GCC PR 98512 in rawmemchr
+
+---
+ string/rawmemchr.c | 26 +++++++++++++++-----------
+ 1 file changed, 15 insertions(+), 11 deletions(-)
+
+diff --git a/string/rawmemchr.c b/string/rawmemchr.c
+index 59bbeeaa42..b8523118e5 100644
+--- a/string/rawmemchr.c
++++ b/string/rawmemchr.c
+@@ -22,24 +22,28 @@
+ # define RAWMEMCHR __rawmemchr
+ #endif
+ 
++/* The pragmata should be nested inside RAWMEMCHR below, but that
++   triggers GCC PR 98512.  */
++DIAG_PUSH_NEEDS_COMMENT;
++#if __GNUC_PREREQ (7, 0)
++/* GCC 8 warns about the size passed to memchr being larger than
++   PTRDIFF_MAX; the use of SIZE_MAX is deliberate here.  */
++DIAG_IGNORE_NEEDS_COMMENT (8, "-Wstringop-overflow=");
++#endif
++#if __GNUC_PREREQ (11, 0)
++/* Likewise GCC 11, with a different warning option.  */
++DIAG_IGNORE_NEEDS_COMMENT (11, "-Wstringop-overread");
++#endif
++
+ /* Find the first occurrence of C in S.  */
+ void *
+ RAWMEMCHR (const void *s, int c)
+ {
+-  DIAG_PUSH_NEEDS_COMMENT;
+-#if __GNUC_PREREQ (7, 0)
+-  /* GCC 8 warns about the size passed to memchr being larger than
+-     PTRDIFF_MAX; the use of SIZE_MAX is deliberate here.  */
+-  DIAG_IGNORE_NEEDS_COMMENT (8, "-Wstringop-overflow=");
+-#endif
+-#if __GNUC_PREREQ (11, 0)
+-  /* Likewise GCC 11, with a different warning option.  */
+-  DIAG_IGNORE_NEEDS_COMMENT (11, "-Wstringop-overread");
+-#endif
+   if (c != '\0')
+     return memchr (s, c, (size_t)-1);
+-  DIAG_POP_NEEDS_COMMENT;
+   return (char *)s + strlen (s);
+ }
+ libc_hidden_def (__rawmemchr)
+ weak_alias (__rawmemchr, rawmemchr)
++
++DIAG_POP_NEEDS_COMMENT;
+--