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-rwxr-xr-xconfigure21
-rw-r--r--src/stdio/__stdio_exit.c2
-rw-r--r--src/stdio/fflush.c2
-rw-r--r--src/stdio/stderr.c2
-rw-r--r--src/stdio/stdin.c2
-rw-r--r--src/stdio/stdout.c2
-rw-r--r--src/thread/pthread_create.c6
-rw-r--r--src/thread/pthread_key_create.c2
8 files changed, 9 insertions, 30 deletions
diff --git a/configure b/configure
index b1cf9980..7436210f 100755
--- a/configure
+++ b/configure
@@ -495,27 +495,6 @@ printf "no\n"
fail "$0: error: unsupported long double type"
fi
-#
-# Check for known bug in GCC 4.9.0 that results in a broken libc.
-#
-if test "$cc_is_gcc" = yes ; then
-printf "checking for gcc constant folding bug with weak aliases... "
-echo 'static int x = 0;' > "$tmpc"
-echo 'extern int y __attribute__((__weak__, __alias__("x")));' >> "$tmpc"
-echo 'extern int should_appear;' >> "$tmpc"
-echo 'int foo() { return y ? should_appear : 0; }' >> "$tmpc"
-case "$($CC $CFLAGS_C99FSE -I./arch/$ARCH -I./include \
- $CPPFLAGS $CFLAGS_AUTO $CFLAGS -S -o - "$tmpc" 2>/dev/null)" in
-*should_appear*)
-printf "no\n"
-;;
-*)
-printf "yes\n"
-fail "$0: error: broken compiler; try CFLAGS=-fno-toplevel-reorder"
-;;
-esac
-fi
-
printf "creating config.mak... "
cmdline=$(quote "$0")
diff --git a/src/stdio/__stdio_exit.c b/src/stdio/__stdio_exit.c
index e4380aaf..716e5f73 100644
--- a/src/stdio/__stdio_exit.c
+++ b/src/stdio/__stdio_exit.c
@@ -1,6 +1,6 @@
#include "stdio_impl.h"
-static FILE *const dummy_file = 0;
+static FILE *volatile dummy_file = 0;
weak_alias(dummy_file, __stdin_used);
weak_alias(dummy_file, __stdout_used);
weak_alias(dummy_file, __stderr_used);
diff --git a/src/stdio/fflush.c b/src/stdio/fflush.c
index af709503..7bf862a6 100644
--- a/src/stdio/fflush.c
+++ b/src/stdio/fflush.c
@@ -19,7 +19,7 @@ static int __fflush_unlocked(FILE *f)
}
/* stdout.c will override this if linked */
-static FILE *const dummy = 0;
+static FILE *volatile dummy = 0;
weak_alias(dummy, __stdout_used);
int fflush(FILE *f)
diff --git a/src/stdio/stderr.c b/src/stdio/stderr.c
index 3fd8f81d..229c8651 100644
--- a/src/stdio/stderr.c
+++ b/src/stdio/stderr.c
@@ -13,4 +13,4 @@ static FILE f = {
.lock = -1,
};
FILE *const stderr = &f;
-FILE *const __stderr_used = &f;
+FILE *volatile __stderr_used = &f;
diff --git a/src/stdio/stdin.c b/src/stdio/stdin.c
index 476dc708..171ff22a 100644
--- a/src/stdio/stdin.c
+++ b/src/stdio/stdin.c
@@ -12,4 +12,4 @@ static FILE f = {
.lock = -1,
};
FILE *const stdin = &f;
-FILE *const __stdin_used = &f;
+FILE *volatile __stdin_used = &f;
diff --git a/src/stdio/stdout.c b/src/stdio/stdout.c
index 3855dd0b..6b188942 100644
--- a/src/stdio/stdout.c
+++ b/src/stdio/stdout.c
@@ -13,4 +13,4 @@ static FILE f = {
.lock = -1,
};
FILE *const stdout = &f;
-FILE *const __stdout_used = &f;
+FILE *volatile __stdout_used = &f;
diff --git a/src/thread/pthread_create.c b/src/thread/pthread_create.c
index 64151254..e77e54a5 100644
--- a/src/thread/pthread_create.c
+++ b/src/thread/pthread_create.c
@@ -116,12 +116,12 @@ static int start(void *p)
#define ROUND(x) (((x)+PAGE_SIZE-1)&-PAGE_SIZE)
/* pthread_key_create.c overrides this */
-static const size_t dummy = 0;
+static volatile size_t dummy = 0;
weak_alias(dummy, __pthread_tsd_size);
-static void *const dummy_tsd[1] = { 0 };
+static void *dummy_tsd[1] = { 0 };
weak_alias(dummy_tsd, __pthread_tsd_main);
-static FILE *const dummy_file = 0;
+static FILE *volatile dummy_file = 0;
weak_alias(dummy_file, __stdin_used);
weak_alias(dummy_file, __stdout_used);
weak_alias(dummy_file, __stderr_used);
diff --git a/src/thread/pthread_key_create.c b/src/thread/pthread_key_create.c
index ef8a755d..a9187f7b 100644
--- a/src/thread/pthread_key_create.c
+++ b/src/thread/pthread_key_create.c
@@ -1,6 +1,6 @@
#include "pthread_impl.h"
-const size_t __pthread_tsd_size = sizeof(void *) * PTHREAD_KEYS_MAX;
+volatile size_t __pthread_tsd_size = sizeof(void *) * PTHREAD_KEYS_MAX;
void *__pthread_tsd_main[PTHREAD_KEYS_MAX] = { 0 };
static void (*keys[PTHREAD_KEYS_MAX])(void *);