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-rwxr-xr-xconfigure38
-rw-r--r--src/internal/vis.h27
2 files changed, 0 insertions, 65 deletions
diff --git a/configure b/configure
index f940af9a..6e489a1d 100755
--- a/configure
+++ b/configure
@@ -31,7 +31,6 @@ Optional features:
--enable-optimize=... optimize listed components for speed over size [auto]
--enable-debug build with debugging information [disabled]
--enable-warnings build with recommended warnings flags [disabled]
- --enable-visibility use global visibility options to optimize PIC [no]
--enable-wrapper=... build given musl toolchain wrapper [auto]
--disable-shared inhibit building shared library [enabled]
--disable-static inhibit building static library [enabled]
@@ -135,7 +134,6 @@ target=
optimize=auto
debug=no
warnings=no
-visibility=no
shared=auto
static=yes
wrapper=auto
@@ -163,9 +161,6 @@ case "$arg" in
--disable-debug|--enable-debug=no) debug=no ;;
--enable-warnings|--enable-warnings=yes) warnings=yes ;;
--disable-warnings|--enable-warnings=no) warnings=no ;;
---enable-visibility=auto) visibility=auto ;;
---enable-visibility|--enable-visibility=yes) visibility=yes ;;
---disable-visibility|--enable-visibility=no) visibility=no ;;
--enable-wrapper|--enable-wrapper=yes) wrapper=detect ;;
--enable-wrapper=all) wrapper=yes ; gcc_wrapper=yes ; clang_wrapper=yes ;;
--enable-wrapper=gcc) wrapper=yes ; gcc_wrapper=yes ;;
@@ -525,39 +520,6 @@ tryflag CFLAGS_AUTO -Wno-unknown-pragmas
tryflag CFLAGS_AUTO -Wno-pointer-to-int-cast
fi
-if test "x$visibility" = xauto ; then
-# This test checks toolchain support for several things:
-# - the -include option
-# - the attributes/pragmas used in vis.h
-# - linking code that takes the address of protected symbols
-# - gcc 3.x bug that wrongly claims declarations mismatch
-printf "checking whether global visibility preinclude works... "
-cat > "$tmpc" <<EOF
-__attribute__((__visibility__("default")))
-extern struct a *const x;
-typedef struct a b;
-extern b *const x;
-b *const x;
-int (*fp)(void);
-int foo(void) { }
-int bar(void) { fp = foo; return foo(); }
-EOF
-if $CC $CFLAGS_C99FSE $CPPFLAGS $CFLAGS \
- -DSHARED -fPIC -I$srcdir/src/internal -include vis.h \
- -nostdlib -shared -Wl,-Bsymbolic-functions \
- -o /dev/null "$tmpc" >/dev/null 2>&1 ; then
-visibility=yes
-else
-visibility=no
-fi
-printf "%s\n" "$visibility"
-fi
-
-if test "x$visibility" = xyes ; then
-CFLAGS_AUTO="$CFLAGS_AUTO -include vis.h"
-CFLAGS_AUTO="${CFLAGS_AUTO# }"
-fi
-
# Determine if the compiler produces position-independent code (PIC)
# by default. If so, we don't need to compile separate object files
# for libc.a and libc.so.
diff --git a/src/internal/vis.h b/src/internal/vis.h
deleted file mode 100644
index 35855fc8..00000000
--- a/src/internal/vis.h
+++ /dev/null
@@ -1,27 +0,0 @@
-/* This file is only used if enabled in the build system, in which case it is
- * included automatically via command line options. It is not included
- * explicitly by any source files or other headers. Its purpose is to
- * override default visibilities to reduce the size and performance costs
- * of position-independent code. */
-
-#if !defined(CRT) && !defined(__ASSEMBLER__)
-
-/* Conceptually, all symbols should be protected, but some toolchains
- * fail to support copy relocations for protected data, so exclude all
- * exported data symbols. */
-
-__attribute__((__visibility__("default")))
-extern struct _IO_FILE *const stdin, *const stdout, *const stderr;
-
-__attribute__((__visibility__("default")))
-extern int optind, opterr, optopt, optreset, __optreset, getdate_err, h_errno, daylight, __daylight, signgam, __signgam;
-
-__attribute__((__visibility__("default")))
-extern long timezone, __timezone;
-
-__attribute__((__visibility__("default")))
-extern char *optarg, **environ, **__environ, *tzname[2], *__tzname[2], *__progname, *__progname_full;
-
-#pragma GCC visibility push(protected)
-
-#endif