diff options
Diffstat (limited to 'configure')
| -rwxr-xr-x | configure | 49 |
1 files changed, 39 insertions, 10 deletions
@@ -4725,27 +4725,56 @@ fi # AC_CHECK_HEADERS([ ]) -# Determine PIC flag, adjust default CFLAGS +# Determine PIC flag. need_asm=false PICFLAG= -{ $as_echo "$as_me:${as_lineno-$LINENO}: checking Determining PIC compiler flag" >&5 -$as_echo_n "checking Determining PIC compiler flag... " >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for PIC compiler flag" >&5 +$as_echo_n "checking for PIC compiler flag... " >&6; } if test "$GCC" = yes; then case "$host" in - *-*-solaris*) - { $as_echo "$as_me:${as_lineno-$LINENO}: result: -fPIC" >&5 -$as_echo "-fPIC" >&6; } - PICFLAG=-fPIC - # Workaround: at least GCC 3.4.6 does not define this macro. - CFLAGS="$CFLAGS -D__PIC__=1" - ;; *-*-cygwin* | *-*-mingw*) # Cygwin and Mingw[-w32/64] do not need -fPIC. + { $as_echo "$as_me:${as_lineno-$LINENO}: result: \"<none>\"" >&5 +$as_echo "\"<none>\"" >&6; } ;; *) { $as_echo "$as_me:${as_lineno-$LINENO}: result: -fPIC" >&5 $as_echo "-fPIC" >&6; } PICFLAG=-fPIC + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether gcc -fPIC causes __PIC__ definition" >&5 +$as_echo_n "checking whether gcc -fPIC causes __PIC__ definition... " >&6; } + # Workaround: at least GCC 3.4.6 (Solaris) does not define this macro. + old_CFLAGS="$CFLAGS" + CFLAGS="$PICFLAG $CFLAGS" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + #ifndef __PIC__ + # error + #endif + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_pic_macro=yes +else + ac_cv_pic_macro=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + CFLAGS="$old_CFLAGS" + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_pic_macro" >&5 +$as_echo "$ac_cv_pic_macro" >&6; } + if test "$ac_cv_pic_macro" = yes; then : + +else + PICFLAG="-D__PIC__=1 $PICFLAG" +fi ;; esac else |