diff options
Diffstat (limited to 'config/no-executables.m4')
| -rw-r--r-- | config/no-executables.m4 | 69 |
1 files changed, 0 insertions, 69 deletions
diff --git a/config/no-executables.m4 b/config/no-executables.m4 deleted file mode 100644 index 9061624..0000000 --- a/config/no-executables.m4 +++ /dev/null @@ -1,69 +0,0 @@ -# GCC_NO_EXECUTABLES -# ----------------- -# FIXME: The GCC team has specific needs which the current Autoconf -# framework cannot solve elegantly. This macro implements a dirty -# hack until Autoconf is able to provide the services its users -# need. -# -# Several of the support libraries that are often built with GCC can't -# assume the tool-chain is already capable of linking a program: the -# compiler often expects to be able to link with some of such -# libraries. -# -# In several of these libraries, workarounds have been introduced to -# avoid the AC_PROG_CC_WORKS test, that would just abort their -# configuration. The introduction of AC_EXEEXT, enabled either by -# libtool or by CVS autoconf, have just made matters worse. -# -# Unlike the previous AC_NO_EXECUTABLES, this test does not -# disable link tests at autoconf time, but at configure time. -# This allows AC_NO_EXECUTABLES to be invoked conditionally. -AC_DEFUN_ONCE([GCC_NO_EXECUTABLES], -[m4_divert_push([KILL]) - -AC_BEFORE([$0], [_AC_COMPILER_EXEEXT]) -AC_BEFORE([$0], [AC_LINK_IFELSE]) - -m4_define([_AC_COMPILER_EXEEXT], -[AC_LANG_CONFTEST([AC_LANG_PROGRAM()]) -# FIXME: Cleanup? -AS_IF([AC_TRY_EVAL(ac_link)], [gcc_no_link=no], [gcc_no_link=yes]) -if test x$gcc_no_link = xyes; then - # Setting cross_compile will disable run tests; it will - # also disable AC_CHECK_FILE but that's generally - # correct if we can't link. - cross_compiling=yes - EXEEXT= -else - ]m4_defn([_AC_COMPILER_EXEEXT])dnl -fi -) - -m4_define([AC_LINK_IFELSE], -if test x$gcc_no_link = xyes; then - AC_MSG_ERROR([Link tests are not allowed after [[$0]].]) -fi -m4_defn([AC_LINK_IFELSE])) - -dnl This is a shame. We have to provide a default for some link tests, -dnl similar to the default for run tests. -m4_define([AC_FUNC_MMAP], -if test x$gcc_no_link = xyes; then - if test "x${ac_cv_func_mmap_fixed_mapped+set}" != xset; then - ac_cv_func_mmap_fixed_mapped=no - fi -fi -if test "x${ac_cv_func_mmap_fixed_mapped}" != xno; then - m4_defn([AC_FUNC_MMAP]) -fi) - -m4_divert_pop()dnl -])# GCC_NO_EXECUTABLES - -# Use the strongest available test out of AC_TRY_COMPILE and AC_TRY_LINK. -AC_DEFUN([GCC_TRY_COMPILE_OR_LINK], -[if test x$gcc_no_link = xyes; then - AC_TRY_COMPILE([$1], [$2], [$3], [$4]) -else - AC_TRY_LINK([$1], [$2], [$3], [$4]) -fi]) |