diff options
Diffstat (limited to 'libada/configure')
| -rwxr-xr-x | libada/configure | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/libada/configure b/libada/configure index 4137364df21..c0a294fdd0c 100755 --- a/libada/configure +++ b/libada/configure @@ -558,6 +558,7 @@ have_getipinfo default_gnatlib_target LN_S AWK +PICFLAG enable_shared OBJEXT EXEEXT @@ -2817,6 +2818,87 @@ fi + + + + +case "${host}" in + # PIC is the default on some targets or must not be used. + *-*-darwin*) + # PIC is the default on this platform + # Common symbols not allowed in MH_DYLIB files + PICFLAG=-fno-common + ;; + alpha*-dec-osf5*) + # PIC is the default. + ;; + hppa*64*-*-hpux*) + # PIC is the default for 64-bit PA HP-UX. + ;; + i[34567]86-*-cygwin* | i[34567]86-*-mingw* | x86_64-*-mingw*) + ;; + i[34567]86-*-interix3*) + # Interix 3.x gcc -fpic/-fPIC options generate broken code. + # Instead, we relocate shared libraries at runtime. + ;; + i[34567]86-*-nto-qnx*) + # QNX uses GNU C++, but need to define -shared option too, otherwise + # it will coredump. + PICFLAG='-fPIC -shared' + ;; + i[34567]86-pc-msdosdjgpp*) + # DJGPP does not support shared libraries at all. + ;; + ia64*-*-hpux*) + # On IA64 HP-UX, PIC is the default but the pic flag + # sets the default TLS model and affects inlining. + PICFLAG=-fPIC + ;; + mips-sgi-irix6*) + # PIC is the default. + ;; + rs6000-ibm-aix* | powerpc-ibm-aix*) + # All AIX code is PIC. + ;; + + # Some targets support both -fPIC and -fpic, but prefer the latter. + # FIXME: Why? + i[34567]86-*-* | x86_64-*-*) + PICFLAG=-fpic + ;; + m68k-*-*) + PICFLAG=-fpic + ;; + s390*-*-*) + PICFLAG=-fpic + ;; + # FIXME: Override -fPIC default in libgcc only? + sh-*-linux* | sh[2346lbe]*-*-linux*) + PICFLAG=-fpic + ;; + # FIXME: Simplify to sh*-*-netbsd*? + sh-*-netbsdelf* | shl*-*-netbsdelf* | sh5-*-netbsd* | sh5l*-*-netbsd* | \ + sh64-*-netbsd* | sh64l*-*-netbsd*) + PICFLAG=-fpic + ;; + # Default to -fPIC unless specified otherwise. + *) + PICFLAG=-fPIC + ;; +esac + +# If the user explicitly uses -fpic/-fPIC, keep that. +case "${CFLAGS}" in + *-fpic*) + PICFLAG=-fpic + ;; + *-fPIC*) + PICFLAG=-fPIC + ;; +esac + + + # These must be passed down, or are needed by gcc/libgcc.mvars for ac_prog in gawk mawk nawk awk do |