build: build using glibc 2.28 (wip)

Author: kwvg

contrib/devtools/symbol-check.py

@@ -20,32 +20,26 @@
 # - libgcc version 8.3.0 (https://packages.debian.org/search?suite=buster&arch=any&searchon=names&keywords=libgcc1)
 # - libc version 2.28 (https://packages.debian.org/search?suite=buster&arch=any&searchon=names&keywords=libc6)
 #
-# Ubuntu 18.04 (Bionic) EOL: 2028. https://wiki.ubuntu.com/ReleaseTeam
+# Ubuntu 20.04 (Focal) EOL: 2030. https://wiki.ubuntu.com/ReleaseTeam
 #
-# - libgcc version 8.4.0 (https://packages.ubuntu.com/bionic/libgcc1)
-# - libc version 2.27 (https://packages.ubuntu.com/bionic/libc6)
+# - libgcc version 10.3.0 (https://packages.ubuntu.com/focal/libgcc1)
+# - libc version 2.31 (https://packages.ubuntu.com/focal/libc6)
 #
 # CentOS Stream 8 EOL: 2024. https://wiki.centos.org/About/Product
 #
 # - libgcc version 8.5.0 (http://mirror.centos.org/centos/8-stream/AppStream/x86_64/os/Packages/)
 # - libc version 2.28 (http://mirror.centos.org/centos/8-stream/AppStream/x86_64/os/Packages/)
 #
 # See https://gcc.gnu.org/onlinedocs/libstdc++/manual/abi.html for more info.
-#
-# For 32-bit systems the minimum libc version is 2.28 to embrace new fcntl{64} symbols.
-# It is safer than handling them in the glibc_compat.cpp due to their variadic arguments
-# with possible different sizes.
-# See: https://stackoverflow.com/a/58472959
-#
 
 MAX_VERSIONS = {
 'GCC':       (4,8,0),
 'GLIBC': {
-    lief.ELF.ARCH.x86_64: (2,27),
+    lief.ELF.ARCH.x86_64: (2,28),
     lief.ELF.ARCH.ARM:    (2,28),
-    lief.ELF.ARCH.AARCH64:(2,27),
-    lief.ELF.ARCH.PPC64:  (2,27),
-    lief.ELF.ARCH.RISCV:  (2,27),
+    lief.ELF.ARCH.AARCH64:(2,28),
+    lief.ELF.ARCH.PPC64:  (2,28),
+    lief.ELF.ARCH.RISCV:  (2,28),
 },
 'LIBATOMIC': (1,0),
 'V':         (0,5,0),  # xkb (bitcoin-qt only)

contrib/guix/manifest.scm

@@ -148,7 +148,7 @@ chain for " target " development."))
                                        #:key
                                        (base-gcc-for-libc base-gcc)
                                        (base-kernel-headers linux-libre-headers-4.9)
-                                       (base-libc (hardened-glibc (make-glibc-without-werror glibc-2.27)))
+                                       (base-libc (hardened-glibc (make-glibc-without-werror glibc-2.28)))
                                        (base-gcc (make-gcc-rpath-link (hardened-gcc base-gcc))))
   "Convenience wrapper around MAKE-CROSS-TOOLCHAIN with default values
 desirable for building Dash Core release binaries."
@@ -528,22 +528,21 @@ inspecting signatures in Mach-O binaries.")
     "--enable-stack-protector" "all")
     "--enable-bind-now" "yes"))
 
-(define-public glibc-2.27
+(define-public glibc-2.28
   (package
     (inherit glibc-2.31)
-    (version "2.27")
+    (version "2.28")
     (source (origin
               (method git-fetch)
               (uri (git-reference
                     (url "https://sourceware.org/git/glibc.git")
-                    (commit "73886db6218e613bd6d4edf529f11e008a6c2fa6")))
-              (file-name (git-file-name "glibc" "73886db6218e613bd6d4edf529f11e008a6c2fa6"))
+                    (commit "c9e58ae23402eb82877de90fd8a18519c086ed87")))
+              (file-name (git-file-name "glibc" "c9e58ae23402eb82877de90fd8a18519c086ed87"))
               (sha256
                (base32
-                "0azpb9cvnbv25zg8019rqz48h8i2257ngyjg566dlnp74ivrs9vq"))
+                "0wm0if2n4z48kpn85va6yb4iac34crds2f55ddpz1hykx6jp1pb6"))
               (patches (search-our-patches "glibc-ldd-x86_64.patch"
                                            "glibc-versioned-locpath.patch"
-                                           "glibc-2.27-riscv64-Use-__has_include-to-include-asm-syscalls.h.patch"
                                            "glibc-2.27-fcommon.patch"
                                            "glibc-2.27-guix-prefix.patch"))))))
 

contrib/guix/patches/glibc-2.27-riscv64-Use-__has_include-to-include-asm-syscalls.h.patch

@@ -22,8 +22,8 @@ versions coexist on the system.
 
  /* Use this when we come along an error.  */
  #define ERROR_RETURN							      \
-@@ -48,7 +49,6 @@ __newlocale (int category_mask, const char *locale, __locale_t base)
-   __locale_t result_ptr;
+@@ -48,7 +49,6 @@ __newlocale (int category_mask, const char *locale, locale_t base)
+   locale_t result_ptr;
    char *locale_path;
    size_t locale_path_len;
 -  const char *locpath_var;
@@ -51,7 +51,7 @@ versions coexist on the system.
    /* Get the names for the locales we are interested in.  We either
       allow a composite name or a single name.  */
 diff --git a/locale/setlocale.c b/locale/setlocale.c
-index ead030d..0c0e314 100644
+index e4de907e1f..47b6233fc5 100644
 --- a/locale/setlocale.c
 +++ b/locale/setlocale.c
 @@ -215,12 +215,65 @@ setdata (int category, struct __locale_data *data)
@@ -121,7 +121,7 @@ index ead030d..0c0e314 100644
    char *composite;
 
    /* Sanity check for CATEGORY argument.  */
-@@ -251,17 +304,10 @@ setlocale (int category, const char *locale)
+@@ -251,18 +304,11 @@ setlocale (int category, const char *locale)
    locale_path = NULL;
    locale_path_len = 0;
 
@@ -142,22 +142,23 @@ index ead030d..0c0e314 100644
      }
 
    if (category == LC_ALL)
+     {
 diff --git a/string/Makefile b/string/Makefile
-index 8424a61..f925503 100644
+index aa2da9ca72..de752a1539 100644
 --- a/string/Makefile
 +++ b/string/Makefile
-@@ -38,7 +38,7 @@ routines	:= strcat strchr strcmp strcoll strcpy strcspn		\
+@@ -40,7 +40,7 @@ routines	:= strcat strchr strcmp strcoll strcpy strcspn		\
  		   swab strfry memfrob memmem rawmemchr strchrnul	\
  		   $(addprefix argz-,append count create ctsep next	\
  				     delete extract insert stringify	\
 -				     addsep replace)			\
 +				     addsep replace suffix)		\
  		   envz basename					\
  		   strcoll_l strxfrm_l string-inlines memrchr		\
- 		   xpg-strerror strerror_l
+ 		   xpg-strerror strerror_l explicit_bzero
 diff --git a/string/argz-suffix.c b/string/argz-suffix.c
 new file mode 100644
-index 0000000..505b0f2
+index 0000000000..505b0f248c
 --- /dev/null
 +++ b/string/argz-suffix.c
 @@ -0,0 +1,56 @@
@@ -218,10 +219,10 @@ index 0000000..505b0f2
 +}
 +weak_alias (__argz_suffix_entries, argz_suffix_entries)
 diff --git a/string/argz.h b/string/argz.h
-index bb62a31..d276a35 100644
+index 9c496f5ef5..1010a439d8 100644
 --- a/string/argz.h
 +++ b/string/argz.h
-@@ -134,6 +134,16 @@ extern error_t argz_replace (char **__restrict __argz,
+@@ -108,6 +108,16 @@ extern error_t argz_replace (char **__restrict __argz,
  			     const char *__restrict __str,
  			     const char *__restrict __with,
  			     unsigned int *__restrict __replace_count);