- if test -z "$AMDEP_TRUE" && test -f "$am_depcomp"; then
- # We make a subdir and do the tests there. Otherwise we can end up
- # making bogus files that we don't know about and never remove. For
- # instance it was reported that on HP-UX the gcc test will end up
- # making a dummy file named 'D' -- because '-MD' means "put the output
- # in D".
- rm -rf conftest.dir
- mkdir conftest.dir
- # Copy depcomp to subdir because otherwise we won't find it if we're
- # using a relative directory.
- cp "$am_depcomp" conftest.dir
- cd conftest.dir
- # We will build objects and dependencies in a subdirectory because
- # it helps to detect inapplicable dependency modes. For instance
- # both Tru64's cc and ICC support -MD to output dependencies as a
- # side effect of compilation, but ICC will put the dependencies in
- # the current directory while Tru64 will put them in the object
- # directory.
- mkdir sub
-
- am_cv_CC_dependencies_compiler_type=none
- if test "$am_compiler_list" = ""; then
- am_compiler_list=`sed -n 's/^#*\([a-zA-Z0-9]*\))$/\1/p' < ./depcomp`
- fi
- am__universal=false
- case " $depcc " in #(
- *\ -arch\ *\ -arch\ *) am__universal=true ;;
- esac
-
- for depmode in $am_compiler_list; do
- # Setup a source with many dependencies, because some compilers
- # like to wrap large dependency lists on column 80 (with \), and
- # we should not choose a depcomp mode which is confused by this.
- #
- # We need to recreate these files for each test, as the compiler may
- # overwrite some of them when testing with obscure command lines.
- # This happens at least with the AIX C compiler.
- : > sub/conftest.c
- for i in 1 2 3 4 5 6; do
- echo '#include "conftst'$i'.h"' >> sub/conftest.c
- # Using ": > sub/conftst$i.h" creates only sub/conftst1.h with
- # Solaris 10 /bin/sh.
- echo '/* dummy */' > sub/conftst$i.h
- done
- echo "${am__include} ${am__quote}sub/conftest.Po${am__quote}" > confmf
-
- # We check with '-c' and '-o' for the sake of the "dashmstdout"
- # mode. It turns out that the SunPro C++ compiler does not properly
- # handle '-M -o', and we need to detect this. Also, some Intel
- # versions had trouble with output in subdirs.
- am__obj=sub/conftest.${OBJEXT-o}
- am__minus_obj="-o $am__obj"
- case $depmode in
- gcc)
- # This depmode causes a compiler race in universal mode.
- test "$am__universal" = false || continue
- ;;
- nosideeffect)
- # After this tag, mechanisms are not by side-effect, so they'll
- # only be used when explicitly requested.
- if test "x$enable_dependency_tracking" = xyes; then
- continue
- else
- break
- fi
- ;;
- msvc7 | msvc7msys | msvisualcpp | msvcmsys)
- # This compiler won't grok '-c -o', but also, the minuso test has
- # not run yet. These depmodes are late enough in the game, and
- # so weak that their functioning should not be impacted.
- am__obj=conftest.${OBJEXT-o}
- am__minus_obj=
- ;;
- none) break ;;
- esac
- if depmode=$depmode \
- source=sub/conftest.c object=$am__obj \
- depfile=sub/conftest.Po tmpdepfile=sub/conftest.TPo \
- $SHELL ./depcomp $depcc -c $am__minus_obj sub/conftest.c \
- >/dev/null 2>conftest.err &&
- grep sub/conftst1.h sub/conftest.Po > /dev/null 2>&1 &&
- grep sub/conftst6.h sub/conftest.Po > /dev/null 2>&1 &&
- grep $am__obj sub/conftest.Po > /dev/null 2>&1 &&
- ${MAKE-make} -s -f confmf > /dev/null 2>&1; then
- # icc doesn't choke on unknown options, it will just issue warnings
- # or remarks (even with -Werror). So we grep stderr for any message
- # that says an option was ignored or not supported.
- # When given -MP, icc 7.0 and 7.1 complain thusly:
- # icc: Command line warning: ignoring option '-M'; no argument required
- # The diagnosis changed in icc 8.0:
- # icc: Command line remark: option '-MP' not supported
- if (grep 'ignoring option' conftest.err ||
- grep 'not supported' conftest.err) >/dev/null 2>&1; then :; else
- am_cv_CC_dependencies_compiler_type=$depmode
- break
- fi
- fi
- done
-
- cd ..
- rm -rf conftest.dir
-else
- am_cv_CC_dependencies_compiler_type=none
-fi
-
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $am_cv_CC_dependencies_compiler_type" >&5
-$as_echo "$am_cv_CC_dependencies_compiler_type" >&6; }
-CCDEPMODE=depmode=$am_cv_CC_dependencies_compiler_type
-
- if
- test "x$enable_dependency_tracking" != xno \
- && test "$am_cv_CC_dependencies_compiler_type" = gcc3; then
- am__fastdepCC_TRUE=
- am__fastdepCC_FALSE='#'
-else
- am__fastdepCC_TRUE='#'
- am__fastdepCC_FALSE=
-fi
-
-
- case $ac_cv_prog_cc_stdc in #(
- no) :
- ac_cv_prog_cc_c99=no; ac_cv_prog_cc_c89=no ;; #(
- *) :
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $CC option to accept ISO C99" >&5
-$as_echo_n "checking for $CC option to accept ISO C99... " >&6; }