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-rw-r--r--build_msvc/bitcoin_config.h3
-rw-r--r--configure.ac18
-rw-r--r--src/compat/glibc_compat.cpp13
3 files changed, 2 insertions, 32 deletions
diff --git a/build_msvc/bitcoin_config.h b/build_msvc/bitcoin_config.h
index c8b2fb1658..35ba8425b3 100644
--- a/build_msvc/bitcoin_config.h
+++ b/build_msvc/bitcoin_config.h
@@ -41,9 +41,6 @@
/* Define to 1 to enable ZMQ functions */
#define ENABLE_ZMQ 1
-/* parameter and return value type for __fdelt_chk */
-/* #undef FDELT_TYPE */
-
/* define if the Boost library is available */
#define HAVE_BOOST /**/
diff --git a/configure.ac b/configure.ac
index cf04faf6d1..de351899eb 100644
--- a/configure.ac
+++ b/configure.ac
@@ -717,22 +717,8 @@ AX_GCC_FUNC_ATTRIBUTE([dllexport])
AX_GCC_FUNC_ATTRIBUTE([dllimport])
if test x$use_glibc_compat != xno; then
-
- dnl __fdelt_chk's params and return type have changed from long unsigned int to long int.
- dnl See which one is present here.
- AC_MSG_CHECKING(__fdelt_chk type)
- AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#ifdef _FORTIFY_SOURCE
- #undef _FORTIFY_SOURCE
- #endif
- #define _FORTIFY_SOURCE 2
- #include <sys/select.h>
- extern "C" long unsigned int __fdelt_warn(long unsigned int);]],[[]])],
- [ fdelt_type="long unsigned int"],
- [ fdelt_type="long int"])
- AC_MSG_RESULT($fdelt_type)
- AC_DEFINE_UNQUOTED(FDELT_TYPE, $fdelt_type,[parameter and return value type for __fdelt_chk])
- AX_CHECK_LINK_FLAG([[-Wl,--wrap=__divmoddi4]], [COMPAT_LDFLAGS="$COMPAT_LDFLAGS -Wl,--wrap=__divmoddi4"],, [[$LDFLAG_WERROR]])
- AX_CHECK_LINK_FLAG([[-Wl,--wrap=log2f]], [COMPAT_LDFLAGS="$COMPAT_LDFLAGS -Wl,--wrap=log2f"],, [[$LDFLAG_WERROR]])
+ AX_CHECK_LINK_FLAG([[-Wl,--wrap=__divmoddi4]], [COMPAT_LDFLAGS="$COMPAT_LDFLAGS -Wl,--wrap=__divmoddi4"])
+ AX_CHECK_LINK_FLAG([[-Wl,--wrap=log2f]], [COMPAT_LDFLAGS="$COMPAT_LDFLAGS -Wl,--wrap=log2f"])
else
AC_SEARCH_LIBS([clock_gettime],[rt])
fi
diff --git a/src/compat/glibc_compat.cpp b/src/compat/glibc_compat.cpp
index 4de4fd7f45..d17de33e86 100644
--- a/src/compat/glibc_compat.cpp
+++ b/src/compat/glibc_compat.cpp
@@ -9,10 +9,6 @@
#include <cstddef>
#include <cstdint>
-#if defined(HAVE_SYS_SELECT_H)
-#include <sys/select.h>
-#endif
-
// Prior to GLIBC_2.14, memcpy was aliased to memmove.
extern "C" void* memmove(void* a, const void* b, size_t c);
extern "C" void* memcpy(void* a, const void* b, size_t c)
@@ -20,15 +16,6 @@ extern "C" void* memcpy(void* a, const void* b, size_t c)
return memmove(a, b, c);
}
-extern "C" void __chk_fail(void) __attribute__((__noreturn__));
-extern "C" FDELT_TYPE __fdelt_warn(FDELT_TYPE a)
-{
- if (a >= FD_SETSIZE)
- __chk_fail();
- return a / __NFDBITS;
-}
-extern "C" FDELT_TYPE __fdelt_chk(FDELT_TYPE) __attribute__((weak, alias("__fdelt_warn")));
-
#if defined(__i386__) || defined(__arm__)
extern "C" int64_t __udivmoddi4(uint64_t u, uint64_t v, uint64_t* rp);