diff options
Diffstat (limited to 'libgfortran/configure')
| -rwxr-xr-x | libgfortran/configure | 75 |
1 files changed, 69 insertions, 6 deletions
diff --git a/libgfortran/configure b/libgfortran/configure index 002bc497ca0..7038d1a0540 100755 --- a/libgfortran/configure +++ b/libgfortran/configure @@ -630,6 +630,10 @@ RANLIB AR AS SECTION_FLAGS +LIBGFOR_USE_SYMVER_SUN_FALSE +LIBGFOR_USE_SYMVER_SUN_TRUE +LIBGFOR_USE_SYMVER_GNU_FALSE +LIBGFOR_USE_SYMVER_GNU_TRUE LIBGFOR_USE_SYMVER_FALSE LIBGFOR_USE_SYMVER_TRUE AM_CFLAGS @@ -4414,13 +4418,13 @@ fi # Check for symbol versioning (copied from libssp). { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether symbol versioning is supported" >&5 $as_echo_n "checking whether symbol versioning is supported... " >&6; } +save_LDFLAGS="$LDFLAGS" +LDFLAGS="$LDFLAGS -fPIC -shared -Wl,--version-script,./conftest.map" cat > conftest.map <<EOF FOO_1.0 { global: *foo*; bar; local: *; }; EOF -save_LDFLAGS="$LDFLAGS" -LDFLAGS="$LDFLAGS -fPIC -shared -Wl,--version-script,./conftest.map" if test x$gcc_no_link = xyes; then as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5 @@ -4437,16 +4441,51 @@ main () } _ACEOF if ac_fn_c_try_link "$LINENO"; then : - gfortran_use_symver=yes + gfortran_use_symver=gnu +else + gfortran_use_symver=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +if test x$gfortran_use_symver = xno; then + case "$target_os" in + solaris2*) + LDFLAGS="$save_LDFLAGS" + LDFLAGS="$LDFLAGS -fPIC -shared -Wl,-M,./conftest.map" + # Sun ld cannot handle wildcards and treats all entries as undefined. + cat > conftest.map <<EOF +FOO_1.0 { + global: foo; local: *; +}; +EOF + if test x$gcc_no_link = xyes; then + as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5 +fi +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int foo; +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + gfortran_use_symver=sun else gfortran_use_symver=no fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext + ;; + esac +fi LDFLAGS="$save_LDFLAGS" { $as_echo "$as_me:${as_lineno-$LINENO}: result: $gfortran_use_symver" >&5 $as_echo "$gfortran_use_symver" >&6; } - if test "x$gfortran_use_symver" = xyes; then + if test "x$gfortran_use_symver" != xno; then LIBGFOR_USE_SYMVER_TRUE= LIBGFOR_USE_SYMVER_FALSE='#' else @@ -4454,6 +4493,22 @@ else LIBGFOR_USE_SYMVER_FALSE= fi + if test "x$gfortran_use_symver" = xgnu; then + LIBGFOR_USE_SYMVER_GNU_TRUE= + LIBGFOR_USE_SYMVER_GNU_FALSE='#' +else + LIBGFOR_USE_SYMVER_GNU_TRUE='#' + LIBGFOR_USE_SYMVER_GNU_FALSE= +fi + + if test "x$gfortran_use_symver" = xsun; then + LIBGFOR_USE_SYMVER_SUN_TRUE= + LIBGFOR_USE_SYMVER_SUN_FALSE='#' +else + LIBGFOR_USE_SYMVER_SUN_TRUE='#' + LIBGFOR_USE_SYMVER_SUN_FALSE= +fi + # Figure out whether the compiler supports "-ffunction-sections -fdata-sections", # similarly to how libstdc++ does it @@ -11307,7 +11362,7 @@ else lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 lt_status=$lt_dlunknown cat > conftest.$ac_ext <<_LT_EOF -#line 11310 "configure" +#line 11365 "configure" #include "confdefs.h" #if HAVE_DLFCN_H @@ -11413,7 +11468,7 @@ else lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 lt_status=$lt_dlunknown cat > conftest.$ac_ext <<_LT_EOF -#line 11416 "configure" +#line 11471 "configure" #include "confdefs.h" #if HAVE_DLFCN_H @@ -25091,6 +25146,14 @@ if test -z "${LIBGFOR_USE_SYMVER_TRUE}" && test -z "${LIBGFOR_USE_SYMVER_FALSE}" as_fn_error "conditional \"LIBGFOR_USE_SYMVER\" was never defined. Usually this means the macro was only invoked conditionally." "$LINENO" 5 fi +if test -z "${LIBGFOR_USE_SYMVER_GNU_TRUE}" && test -z "${LIBGFOR_USE_SYMVER_GNU_FALSE}"; then + as_fn_error "conditional \"LIBGFOR_USE_SYMVER_GNU\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi +if test -z "${LIBGFOR_USE_SYMVER_SUN_TRUE}" && test -z "${LIBGFOR_USE_SYMVER_SUN_FALSE}"; then + as_fn_error "conditional \"LIBGFOR_USE_SYMVER_SUN\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi : ${CONFIG_STATUS=./config.status} ac_write_fail=0 |