diff options
Diffstat (limited to 'configure')
| -rwxr-xr-x | configure | 81 |
1 files changed, 51 insertions, 30 deletions
@@ -596,9 +596,6 @@ DEFINES static_nss profile libc_cv_multidir -libc_cv_pie_default -libc_cv_cc_pie_default -libc_cv_pic_default shared static ldd_rewrite_script @@ -768,7 +765,7 @@ with_timeoutfactor enable_sanity_checks enable_shared enable_profile -enable_static_pie +enable_default_pie enable_timezone_tools enable_hardcoded_path_in_tests enable_hidden_plt @@ -1424,8 +1421,8 @@ Optional Features: in special situations) [default=yes] --enable-shared build shared library [default=yes if GNU ld] --enable-profile build profiled library [default=no] - --enable-static-pie enable static PIE support and use it in the - testsuite [default=no] + --disable-default-pie Do not build glibc programs and the testsuite as PIE + [default=no] --disable-timezone-tools do not install timezone tools [default=install] --enable-hardcoded-path-in-tests @@ -3424,11 +3421,11 @@ else profile=no fi -# Check whether --enable-static-pie was given. -if test "${enable_static_pie+set}" = set; then : - enableval=$enable_static_pie; static_pie=$enableval +# Check whether --enable-default-pie was given. +if test "${enable_default_pie+set}" = set; then : + enableval=$enable_default_pie; default_pie=$enableval else - static_pie=no + default_pie=yes fi # Check whether --enable-timezone-tools was given. @@ -6975,7 +6972,8 @@ rm -f conftest.* fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_pic_default" >&5 $as_echo "$libc_cv_pic_default" >&6; } - +config_vars="$config_vars +build-pic-default = $libc_cv_pic_default" { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether -fPIE is default" >&5 $as_echo_n "checking whether -fPIE is default... " >&6; } @@ -6995,17 +6993,37 @@ rm -f conftest.* fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_cc_pie_default" >&5 $as_echo "$libc_cv_cc_pie_default" >&6; } -libc_cv_pie_default=$libc_cv_cc_pie_default - - - -# Set the `multidir' variable by grabbing the variable from the compiler. -# We do it once and save the result in a generated makefile. -libc_cv_multidir=`${CC-cc} $CFLAGS $CPPFLAGS -print-multi-directory` +config_vars="$config_vars +cc-pie-default = $libc_cv_cc_pie_default" +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if we can build programs as PIE" >&5 +$as_echo_n "checking if we can build programs as PIE... " >&6; } +if test "x$default_pie" != xno; then + # Disable build-pie-default if target does not support it. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#ifdef PIE_UNSUPPORTED +# error PIE is not supported +#endif +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + libc_cv_pie_default=yes +else + libc_cv_pie_default=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_pie_default" >&5 +$as_echo "$libc_cv_pie_default" >&6; } +config_vars="$config_vars +build-pie-default = $libc_cv_pie_default" -if test "$static_pie" = yes; then - # Check target support for static PIE +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if we can build static PIE programs" >&5 +$as_echo_n "checking if we can build static PIE programs... " >&6; } +libc_cv_static_pie=$libc_cv_pie_default +if test "x$libc_cv_pie_default" != xno \ + -a "$libc_cv_no_dynamic_linker" = yes; then + # Enable static-pie if available cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #ifndef SUPPORT_STATIC_PIE @@ -7013,22 +7031,25 @@ if test "$static_pie" = yes; then #endif _ACEOF if ac_fn_c_try_compile "$LINENO"; then : - + libc_cv_static_pie=yes else - as_fn_error $? "the architecture does not support static PIE" "$LINENO" 5 + libc_cv_static_pie=no fi rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext - # The linker must support --no-dynamic-linker. - if test "$libc_cv_no_dynamic_linker" != yes; then - as_fn_error $? "linker support for --no-dynamic-linker needed" "$LINENO" 5 - fi - # Default to PIE. - libc_cv_pie_default=yes - $as_echo "#define ENABLE_STATIC_PIE 1" >>confdefs.h + if test "$libc_cv_static_pie" = "yes"; then + $as_echo "#define ENABLE_STATIC_PIE 1" >>confdefs.h + fi fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_static_pie" >&5 +$as_echo "$libc_cv_static_pie" >&6; } config_vars="$config_vars -enable-static-pie = $static_pie" +enable-static-pie = $libc_cv_static_pie" + +# Set the `multidir' variable by grabbing the variable from the compiler. +# We do it once and save the result in a generated makefile. +libc_cv_multidir=`${CC-cc} $CFLAGS $CPPFLAGS -print-multi-directory` + |