sys-devel/gcc: add glibc 2.36 patch for 11.3.0, 10.4.0

Tried adding to gcc-patches (and indeed did) [0] but got into
a mess and it's not worth the hassle for now.

[0] https://gitweb.gentoo.org/proj/gcc-patches.git/commit/?id=97ae6391c543891918047f724b0bddecc5f834bc
Closes: https://bugs.gentoo.org/864717
Signed-off-by: Sam James <sam@gentoo.org>

4 files changed, 83 insertions, 0 deletions

diff --git a/sys-devel/gcc/files/gcc-10.4.0-glibc-2.36.patch b/sys-devel/gcc/files/gcc-10.4.0-glibc-2.36.patch
new file mode 100644
index 000000000000..e773071188b7
--- /dev/null
+++ b/sys-devel/gcc/files/gcc-10.4.0-glibc-2.36.patch
@@ -0,0 +1,39 @@
+https://gcc.gnu.org/git/?p=gcc.git;a=commitdiff;h=6bd956e31b2fb6fe1eee4eb1bf309247dcd19b23
+https://bugs.gentoo.org/864717
+
+From 6bd956e31b2fb6fe1eee4eb1bf309247dcd19b23 Mon Sep 17 00:00:00 2001
+From: Martin Liska <mliska@suse.cz>
+Date: Mon, 11 Jul 2022 22:03:14 +0200
+Subject: [PATCH] libsanitizer: cherry-pick 9cf13067cb5088626ba7 from upstream
+
+9cf13067cb5088626ba7ee1ec4c42ec59c7995a0 [sanitizer] Remove #include <linux/fs.h> to resolve fsconfig_command/mount_attr conflict with glibc 2.36
+
+(cherry picked from commit 2701442d0cf6292f6624443c15813d6d1a3562fe)
+--- a/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.cpp
++++ b/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.cpp
+@@ -72,7 +72,9 @@
+ #include <sys/vt.h>
+ #include <linux/cdrom.h>
+ #include <linux/fd.h>
++#if SANITIZER_ANDROID
+ #include <linux/fs.h>
++#endif
+ #include <linux/hdreg.h>
+ #include <linux/input.h>
+ #include <linux/ioctl.h>
+@@ -822,10 +824,10 @@ unsigned struct_ElfW_Phdr_sz = sizeof(Elf_Phdr);
+   unsigned IOCTL_EVIOCGPROP = IOCTL_NOT_PRESENT;
+   unsigned IOCTL_EVIOCSKEYCODE_V2 = IOCTL_NOT_PRESENT;
+ #endif
+-  unsigned IOCTL_FS_IOC_GETFLAGS = FS_IOC_GETFLAGS;
+-  unsigned IOCTL_FS_IOC_GETVERSION = FS_IOC_GETVERSION;
+-  unsigned IOCTL_FS_IOC_SETFLAGS = FS_IOC_SETFLAGS;
+-  unsigned IOCTL_FS_IOC_SETVERSION = FS_IOC_SETVERSION;
++  unsigned IOCTL_FS_IOC_GETFLAGS = _IOR('f', 1, long);
++  unsigned IOCTL_FS_IOC_GETVERSION = _IOR('v', 1, long);
++  unsigned IOCTL_FS_IOC_SETFLAGS = _IOW('f', 2, long);
++  unsigned IOCTL_FS_IOC_SETVERSION = _IOW('v', 2, long);
+   unsigned IOCTL_GIO_CMAP = GIO_CMAP;
+   unsigned IOCTL_GIO_FONT = GIO_FONT;
+   unsigned IOCTL_GIO_UNIMAP = GIO_UNIMAP;
+
diff --git a/sys-devel/gcc/files/gcc-11.3.0-glibc-2.36.patch b/sys-devel/gcc/files/gcc-11.3.0-glibc-2.36.patch
new file mode 100644
index 000000000000..7907223248ae
--- /dev/null
+++ b/sys-devel/gcc/files/gcc-11.3.0-glibc-2.36.patch
@@ -0,0 +1,41 @@
+https://gcc.gnu.org/git/?p=gcc.git;a=commit;h=d2356ebb0084a0d80dbfe33040c9afe938c15d19
+https://bugs.gentoo.org/864717
+
+Fix build w/ glibc 2.36.
+
+From d2356ebb0084a0d80dbfe33040c9afe938c15d19 Mon Sep 17 00:00:00 2001
+From: Martin Liska <mliska@suse.cz>
+Date: Mon, 11 Jul 2022 22:03:14 +0200
+Subject: [PATCH] libsanitizer: cherry-pick 9cf13067cb5088626ba7 from upstream
+
+9cf13067cb5088626ba7ee1ec4c42ec59c7995a0 [sanitizer] Remove #include <linux/fs.h> to resolve fsconfig_command/mount_attr conflict with glibc 2.36
+
+(cherry picked from commit 2701442d0cf6292f6624443c15813d6d1a3562fe)
+--- a/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.cpp
++++ b/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.cpp
+@@ -72,7 +72,9 @@
+ #include <sys/vt.h>
+ #include <linux/cdrom.h>
+ #include <linux/fd.h>
++#if SANITIZER_ANDROID
+ #include <linux/fs.h>
++#endif
+ #include <linux/hdreg.h>
+ #include <linux/input.h>
+ #include <linux/ioctl.h>
+@@ -828,10 +830,10 @@ unsigned struct_ElfW_Phdr_sz = sizeof(Elf_Phdr);
+   unsigned IOCTL_EVIOCGPROP = IOCTL_NOT_PRESENT;
+   unsigned IOCTL_EVIOCSKEYCODE_V2 = IOCTL_NOT_PRESENT;
+ #endif
+-  unsigned IOCTL_FS_IOC_GETFLAGS = FS_IOC_GETFLAGS;
+-  unsigned IOCTL_FS_IOC_GETVERSION = FS_IOC_GETVERSION;
+-  unsigned IOCTL_FS_IOC_SETFLAGS = FS_IOC_SETFLAGS;
+-  unsigned IOCTL_FS_IOC_SETVERSION = FS_IOC_SETVERSION;
++  unsigned IOCTL_FS_IOC_GETFLAGS = _IOR('f', 1, long);
++  unsigned IOCTL_FS_IOC_GETVERSION = _IOR('v', 1, long);
++  unsigned IOCTL_FS_IOC_SETFLAGS = _IOW('f', 2, long);
++  unsigned IOCTL_FS_IOC_SETVERSION = _IOW('v', 2, long);
+   unsigned IOCTL_GIO_CMAP = GIO_CMAP;
+   unsigned IOCTL_GIO_FONT = GIO_FONT;
+   unsigned IOCTL_GIO_UNIMAP = GIO_UNIMAP;
+
diff --git a/sys-devel/gcc/gcc-10.4.0.ebuild b/sys-devel/gcc/gcc-10.4.0.ebuild
index 31a46b613160..311d04b1e636 100644
--- a/sys-devel/gcc/gcc-10.4.0.ebuild
+++ b/sys-devel/gcc/gcc-10.4.0.ebuild
@@ -43,6 +43,8 @@ RDEPEND=""
 BDEPEND="${CATEGORY}/binutils"
 
 src_prepare() {
+	eapply "${FILESDIR}"/${P}-glibc-2.36.patch
+
 	local p upstreamed_patches=(
 		# add them here
 	)
diff --git a/sys-devel/gcc/gcc-11.3.0.ebuild b/sys-devel/gcc/gcc-11.3.0.ebuild
index a90a5c1bc452..93499169999c 100644
--- a/sys-devel/gcc/gcc-11.3.0.ebuild
+++ b/sys-devel/gcc/gcc-11.3.0.ebuild
@@ -23,5 +23,6 @@ BDEPEND=">=${CATEGORY}/binutils-2.30[cet(-)?]"
 src_prepare() {
 	toolchain_src_prepare
 
+	eapply "${FILESDIR}"/${P}-glibc-2.36.patch
 	eapply_user
 }