diff options
Diffstat (limited to 'lib/replace/libreplace_ld.m4')
| -rw-r--r-- | lib/replace/libreplace_ld.m4 | 319 |
1 files changed, 319 insertions, 0 deletions
diff --git a/lib/replace/libreplace_ld.m4 b/lib/replace/libreplace_ld.m4 new file mode 100644 index 0000000000..81bde46219 --- /dev/null +++ b/lib/replace/libreplace_ld.m4 @@ -0,0 +1,319 @@ +# +# This offers a nice overview how to build shared libraries on all platforms +# http://www.fortran-2000.com/ArnaudRecipes/sharedlib.html +# + +AC_DEFUN([AC_LIBREPLACE_STLD], +[ + AC_PATH_PROG(PROG_AR, ar) + + STLD=${PROG_AR} + + AC_SUBST(STLD) +]) + +AC_DEFUN([AC_LIBREPLACE_STLD_FLAGS], +[ + STLD_FLAGS="-rcs" + AC_SUBST(STLD_FLAGS) +]) + +AC_DEFUN([AC_LD_EXPORT_DYNAMIC], +[ +saved_LDFLAGS="$LDFLAGS" +if AC_TRY_COMMAND([${CC-cc} $CFLAGS -Wl,--version 2>&1 | grep "GNU ld" >/dev/null]); then + LD_EXPORT_DYNAMIC="-Wl,-export-dynamic" +else + case "$host_os" in + hpux* ) + LD_EXPORT_DYNAMIC="-Wl,-E" + ;; + *) + LD_EXPORT_DYNAMIC="" + ;; + esac +fi +AC_SUBST(LD_EXPORT_DYNAMIC) +LDFLAGS="$saved_LDFLAGS" +]) + +AC_DEFUN([AC_LD_PICFLAG], +[ +case "$host_os" in + *linux*) + PICFLAG="-fPIC" + ;; + *solaris*) + if test "${GCC}" = "yes"; then + PICFLAG="-fPIC" + else + PICFLAG="-KPIC" + fi + ;; + *sunos*) + PICFLAG="-KPIC" # Is this correct for SunOS + ;; + *netbsd* | *freebsd* | *dragonfly* ) + PICFLAG="-fPIC -DPIC" + ;; + *openbsd*) + PICFLAG="-fPIC" + ;; + *irix*) + if test "${GCC}" = "yes"; then + PICFLAG="-fPIC" + else + PICFLAG="-KPIC" + fi + ;; + *aix*) + # as AIX code is always position independent... + PICFLAG="-O2" + ;; + *hpux*) + if test $ac_cv_prog_cc_Ae = yes; then + PICFLAG="+z +ESnolit" + elif test "${GCC}" = "yes"; then + PICFLAG="-fPIC" + fi + if test "$host_cpu" = "ia64"; then + PICFLAG="+z" + fi + ;; + *osf*) + PICFLAG="-fPIC" + ;; + *unixware*) + PICFLAG="-KPIC" + ;; + *darwin*) + PICFLAG="-fno-common" + ;; +esac +AC_SUBST(PICFLAG) +]) + +AC_DEFUN([AC_LIBREPLACE_LD_SHLIB_LINKER], +[ + LD_SHLIB_LINKER="${CC}" + + case "$host_os" in + *irix*) + LD_SHLIB_LINKER="${PROG_LD}" + ;; + esac + + AC_SUBST(LD_SHLIB_LINKER) +]) + +AC_DEFUN([AC_LIBREPLACE_LD_SHLIB_FLAGS], +[ + LD_SHLIB_FLAGS="-shared" + + case "$host_os" in + *linux*) + LD_SHLIB_FLAGS="-shared -Wl,-Bsymbolic" + ;; + *solaris*) + LD_SHLIB_FLAGS="-G" + if test "${GCC}" = "no"; then + ## ${CFLAGS} added for building 64-bit shared + ## libs using Sun's Compiler + LD_SHLIB_FLAGS="-G \${CFLAGS}" + fi + ;; + *sunos*) + LD_SHLIB_FLAGS="-G" + ;; + *irix*) + LD_SHLIB_FLAGS="-shared" + ;; + *aix*) + LD_SHLIB_FLAGS="-Wl,-G,-bexpall,-bbigtoc" + ;; + *hpux*) + if test "${GCC}" = "yes"; then + LD_SHLIB_FLAGS="-shared" + else + LD_SHLIB_FLAGS="-b" + fi + ;; + *osf*) + LD_SHLIB_FLAGS="-shared" + ;; + *darwin*) + LD_SHLIB_FLAGS="-dynamiclib -Wl,-search_paths_first" + ;; + esac + + AC_SUBST(LD_SHLIB_FLAGS) +]) + +AC_DEFUN([AC_LIBREPLACE_LD_SHLIB_DISALLOW_UNDEF_FLAG], +[ + LD_SHLIB_DISALLOW_UNDEF_FLAG="" + + # + # TODO: enforce error not only warnings + # + # NOTE: -Wl,--no-allow-shlib-undefined isn't what we want... + # as it bails out on broken system libraries + # + case "$host_os" in + *osf*) + LD_SHLIB_DISALLOW_UNDEF_FLAG="-warning_unresolved" + ;; + *darwin*) + LD_SHLIB_DISALLOW_UNDEF_FLAG="-undefined error" + ;; + esac + + AC_SUBST(LD_SHLIB_DISALLOW_UNDEF_FLAG) +]) + +AC_DEFUN([AC_LIBREPLACE_SHLD], +[ + AC_REQUIRE([AC_LIBREPLACE_LD_SHLIB_LINKER]) + SHLD="$LD_SHLIB_LINKER" + AC_SUBST(SHLD) +]) + +AC_DEFUN([AC_LIBREPLACE_SHLD_FLAGS], +[ + AC_REQUIRE([AC_LIBREPLACE_LD_SHLIB_FLAGS]) + AC_REQUIRE([AC_LIBREPLACE_LD_SHLIB_DISALLOW_UNDEF_FLAG]) + SHLD_FLAGS="$LD_SHLIB_FLAGS $LD_SHLIB_DISALLOW_UNDEF_FLAG" + AC_SUBST(SHLD_FLAGS) +]) + +AC_DEFUN([AC_LD_SHLIBEXT], +[ + SHLIBEXT="so" + case "$host_os" in + *hpux*) + if test "$host_cpu" = "ia64"; then + SHLIBEXT="so" + else + SHLIBEXT="sl" + fi + ;; + *darwin*) + SHLIBEXT="dylib" + ;; + esac + AC_SUBST(SHLIBEXT) +]) + +AC_DEFUN([AC_LD_SONAMEFLAG], +[ + AC_SUBST(SONAMEFLAG) + SONAMEFLAG="" + case "$host_os" in + *linux*) + SONAMEFLAG="-Wl,-soname=" + ;; + *solaris*) + SONAMEFLAG="-h " + if test "${GCC}" = "yes"; then + SONAMEFLAG="-Wl,-soname=" + fi + ;; + *sunos*) + SONAMEFLAG="-Wl,-h," + ;; + *netbsd* | *freebsd* | *dragonfly* ) + SONAMEFLAG="-Wl,-soname," + ;; + *openbsd*) + SONAMEFLAG="-Wl,-soname," + ;; + *irix*) + SONAMEFLAG="-Wl,-soname," + ;; + *hpux*) + SONAMEFLAG="-Wl,+h," + ;; + *osf*) + SONAMEFLAG="-Wl,-soname," + ;; + *unixware*) + SONAMEFLAG="-Wl,-soname," + ;; + *darwin*) + SONAMEFLAG="#" + ;; + *aix*) + # Not supported + SONAMEFLAG="#" + ;; + esac +]) + +AC_DEFUN([AC_LIBREPLACE_MDLD], +[ + AC_REQUIRE([AC_LIBREPLACE_LD_SHLIB_LINKER]) + MDLD="$LD_SHLIB_LINKER" + AC_SUBST(MDLD) +]) + +AC_DEFUN([AC_LIBREPLACE_LD_SHLIB_ALLOW_UNDEF_FLAG], +[ + LD_ALLOW_SHLIB_UNDEF_FLAG="" + + case "$host_os" in + *linux*) + LD_SHLIB_ALLOW_UNDEF_FLAG="-Wl,--allow-shlib-undefined" + ;; + *osf*) + LD_SHLIB_ALLOW_UNDEF_FLAG="-Wl,-expect_unresolved,\"*\"" + ;; + *darwin*) + LD_SHLIB_ALLOW_UNDEF_FLAG="-undefined dynamic_lookup" + ;; + *aix*) + LD_SHLIB_ALLOW_UNDEF_FLAG="-Wl,-bnoentry" + ;; + esac + + AC_SUBST(LD_SHLIB_ALLOW_UNDEF_FLAG) +]) + +AC_DEFUN([AC_LIBREPLACE_MDLD_FLAGS], +[ + AC_REQUIRE([AC_LIBREPLACE_LD_SHLIB_FLAGS]) + AC_REQUIRE([AC_LIBREPLACE_LD_SHLIB_ALLOW_UNDEF_FLAG]) + MDLD_FLAGS="$LD_SHLIB_FLAGS $LD_SHLIB_ALLOW_UNDEF_FLAG" + AC_SUBST(MDLD_FLAGS) +]) + +AC_DEFUN([AC_LIBREPLACE_RUNTIME_LIB_PATH_VAR], +[ + case "$host_os" in + *linux*) + LIB_PATH_VAR=LD_LIBRARY_PATH + ;; + *netbsd*) + LIB_PATH_VAR=LD_LIBRARY_PATH + ;; + *solaris*) + LIB_PATH_VAR=LD_LIBRARY_PATH + ;; + *hpux*) + LIB_PATH_VAR=SHLIB_PATH + ;; + *osf*) + LIB_PATH_VAR=LD_LIBRARY_PATH + ;; + *aix*) + LIB_PATH_VAR=LIB_PATH + ;; + *irix*) + LIB_PATH_VAR=LD_LIBRARY_PATH + ;; + *darwin*) + LIB_PATH_VAR=DYLD_LIBRARY_PATH + ;; + esac + + AC_SUBST(LIB_PATH_VAR) +]) |