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-rw-r--r--config.h.in92
1 files changed, 54 insertions, 38 deletions
diff --git a/config.h.in b/config.h.in
index ec9c8bc767..141db213a9 100644
--- a/config.h.in
+++ b/config.h.in
@@ -1,14 +1,3 @@
-#if !defined IS_IN_build && !defined __ASSEMBLER__ && !defined _ISOMAC \
- && !defined __OPTIMIZE__
-# error "glibc cannot be compiled without optimization"
-#endif
-
-/* Another evil option when it comes to compiling the C library is
- --ffast-math since it alters the ABI. */
-#if defined __FAST_MATH__ && !defined TEST_FAST_MATH
-# error "glibc must not be compiled with -ffast-math"
-#endif
-
/* Define if building with SELinux support. Set by --with-selinux. */
#undef HAVE_SELINUX
@@ -37,22 +26,30 @@
/* Define if static NSS modules are wanted. */
#undef DO_STATIC_NSS
+/* Assume that the compiler supports __builtin_expect.
+ This macro is necessary for proper compilation of code
+ shared between GNU libc and GNU gettext projects. */
+#define HAVE_BUILTIN_EXPECT 1
+
/* Define if the compiler supports __builtin_memset. */
#undef HAVE_BUILTIN_MEMSET
/* Define if compiler accepts -ftree-loop-distribute-patterns. */
#undef HAVE_CC_INHIBIT_LOOP_TO_LIBCALL
-/* Define if the regparm attribute shall be used for local functions
- (gcc on ix86 only). */
-#undef USE_REGPARMS
+/* Define if compiler accepts -fno-stack-protector in an
+ __attribute__ ((__optimize__)). */
+#undef HAVE_CC_NO_STACK_PROTECTOR
+
+/* The level of stack protection in use for glibc as a whole.
+ May be overridden on a file-by-file basis. */
+#ifndef STACK_PROTECTOR_LEVEL
+#undef STACK_PROTECTOR_LEVEL
+#endif
/* Defined on SPARC if GCC emits GOTDATA relocations. */
#undef HAVE_GCC_GOTDATA
-/* Define on SPARC if AS supports VIS3 instructions. */
-#undef HAVE_AS_VIS3_SUPPORT
-
/* Define if the linker supports the -z combreloc option. */
#undef HAVE_Z_COMBRELOC
@@ -62,12 +59,19 @@
/* Define if compiler supports AVX512. */
#undef HAVE_AVX512_SUPPORT
-/* Define if assembler supports AVX512. */
-#undef HAVE_AVX512_ASM_SUPPORT
+/* Define if assembler supports AVX512DQ. */
+#undef HAVE_AVX512DQ_ASM_SUPPORT
+
+/* Define if assembler supports z196 zarch instructions as default on S390. */
+#undef HAVE_S390_MIN_Z196_ZARCH_ASM_SUPPORT
/* Define if assembler supports vector instructions on S390. */
#undef HAVE_S390_VX_ASM_SUPPORT
+/* Define if gcc supports vector registers as clobbers in inline assembly
+ on S390. */
+#undef HAVE_S390_VX_GCC_SUPPORT
+
/* Define if assembler supports Intel MPX. */
#undef HAVE_MPX_SUPPORT
@@ -79,18 +83,28 @@
#undef PI_STATIC_AND_HIDDEN
/* Define this to disable the 'hidden_proto' et al macros in
+ include/libc-symbols.h that avoid PLT slots in PIE. */
+#undef NO_HIDDEN_EXTERN_FUNC_IN_PIE
+
+/* Define this to disable the 'hidden_proto' et al macros in
include/libc-symbols.h that avoid PLT slots in the shared objects. */
#undef NO_HIDDEN
+/* Define this to disable in rtld the 'hidden_proto' et al macros in
+ include/libc-symbols.h that avoid PLT slots in the shared objects. */
+#undef NO_RTLD_HIDDEN
+
+/* Define this to disable lazy relocations in DSOs. */
+#undef BIND_NOW
+
/* AArch64 big endian ABI */
#undef HAVE_AARCH64_BE
+/* RISC-V integer ABI for ld.so. */
+#undef RISCV_ABI_XLEN
-/* Defined to some form of __attribute__ ((...)) if the compiler supports
- a different, more efficient calling convention. */
-#if defined USE_REGPARMS && !defined PROF
-# define internal_function __attribute__ ((regparm (3), stdcall))
-#endif
+/* RISC-V floating-point ABI for ld.so. */
+#undef RISCV_ABI_FLEN
/* Linux specific: minimum supported kernel version. */
#undef __LINUX_KERNEL_VERSION
@@ -98,12 +112,6 @@
/* Override abi-tags ABI version if necessary. */
#undef __ABI_TAG_VERSION
-/* bash 2.0 introduced the _XXX_GNU_nonoption_argv_flags_ variable to help
- getopt determine whether a parameter is a flag or not. This features
- was disabled later since it caused trouble. We are by default therefore
- disabling the support as well. */
-#undef USE_NONOPTION_FLAGS
-
/* Mach/Hurd specific: define if mig supports the `retcode' keyword. */
#undef HAVE_MIG_RETCODE
@@ -116,9 +124,6 @@
/* Mach/i386 specific: define if the `i386_set_gdt' RPC is available. */
#undef HAVE_I386_SET_GDT
-/* Defined of libidn is available. */
-#undef HAVE_LIBIDN
-
/* Define if inlined system calls are available. */
#undef HAVE_INLINED_SYSCALLS
@@ -128,9 +133,6 @@
/* Define if __stack_chk_guard canary should be randomized at program startup. */
#undef ENABLE_STACKGUARD_RANDOMIZE
-/* Define if lock elision should be enabled by default. */
-#undef ENABLE_LOCK_ELISION
-
/* Package description. */
#undef PKGVERSION
@@ -147,6 +149,10 @@
to link against. */
#undef LINK_OBSOLETE_RPC
+/* Define if obsolete libnsl code should be made available for user-level
+ code to link against. */
+#undef LINK_OBSOLETE_NSL
+
/* Define if Systemtap <sys/sdt.h> probes should be defined. */
#undef USE_STAP_PROBE
@@ -159,8 +165,8 @@
/* Define to 1 if STT_GNU_IFUNC support actually works. */
#define HAVE_IFUNC 0
-/* Define if linux/fanotify.h is available. */
-#undef HAVE_LINUX_FANOTIFY_H
+/* Define if gcc supports attribute ifunc. */
+#undef HAVE_GCC_IFUNC
/* Define if the linker defines __ehdr_start. */
#undef HAVE_EHDR_START
@@ -231,4 +237,14 @@
/* PowerPC32 uses fctidz for floating point to long long conversions. */
#define HAVE_PPC_FCTIDZ 0
+/* Build glibc with tunables support. */
+#define HAVE_TUNABLES 0
+
+/* Define if static PIE is enabled. */
+#define ENABLE_STATIC_PIE 0
+
+/* Some compiler options may now allow to use ebp in __asm__ (used mainly
+ in i386 6 argument syscall issue). */
+#define CAN_USE_REGISTER_ASM_EBP 0
+
#endif