diff options
Diffstat (limited to 'configure')
| -rwxr-xr-x | configure | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/configure b/configure index fdfa5effc0..d247dd5cb5 100755 --- a/configure +++ b/configure @@ -784,6 +784,7 @@ enable_all_warnings enable_multi_arch enable_experimental_malloc enable_nss_crypt +enable_systemtap with_cpu ' ac_precious_vars='build_alias @@ -1444,6 +1445,7 @@ Optional Features: --enable-experimental-malloc enable experimental malloc features --enable-nss-crypt enable libcrypt to use nss + --enable-systemtap enable systemtap static probe points [default=no] Optional Packages: --with-PACKAGE[=ARG] use PACKAGE [ARG=yes] @@ -3823,6 +3825,51 @@ else fi +# Check whether --enable-systemtap was given. +if test "${enable_systemtap+set}" = set; then : + enableval=$enable_systemtap; systemtap=$enableval +else + systemtap=no +fi + +if test x$systemtap != xno; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for systemtap static probe support" >&5 +$as_echo_n "checking for systemtap static probe support... " >&6; } +if test "${libc_cv_sdt+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + old_CFLAGS="$CFLAGS" + CFLAGS="-std=gnu99 $CFLAGS" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include <sys/sdt.h> +void foo (int i, void *p) +{ + asm ("" STAP_PROBE_ASM (foo, bar, STAP_PROBE_ASM_TEMPLATE (2)) "" + :: STAP_PROBE_ASM_OPERANDS (2, i, p)); +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + libc_cv_sdt=yes +else + libc_cv_sdt=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + CFLAGS="$old_CFLAGS" +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_sdt" >&5 +$as_echo "$libc_cv_sdt" >&6; } + if test $libc_cv_sdt = yes; then + $as_echo "#define USE_STAP_PROBE 1" >>confdefs.h + + else + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "systemtap support needs sys/sdt.h with asm support +See \`config.log' for more details" "$LINENO" 5; } + fi +fi + # The way shlib-versions is used to generate soversions.mk uses a # fairly simplistic model for name recognition that can't distinguish # i486-pc-linux-gnu fully from i486-pc-gnu. So we mutate a $host_os |