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Use AC_TRY_EVAL and AC_TRY_COMMAND for running all tests.

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This commit is contained in:
Roland McGrath 1996-01-11 15:38:04 +00:00
parent 5b4e3f4239
commit fe571fd9c1
2 changed files with 18 additions and 16 deletions
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17
acspecific.m4
View File

@ -80,7 +80,7 @@ cat > conftest.c <<EOF
yes;
#endif
EOF
if ${CC-cc} -E conftest.c 2>&AC_FD_CC | egrep yes >/dev/null 2>&1; then
if AC_TRY_COMMAND(${CC-cc} -E conftest.c) | egrep yes >/dev/null 2>&1; then
ac_cv_prog_gcc=yes
else
ac_cv_prog_gcc=no
@ -120,7 +120,7 @@ cat > conftest.C <<EOF
yes;
#endif
EOF
if ${CXX-g++} -E conftest.C 2>&AC_FD_CC | egrep yes >/dev/null 2>&1; then
if AC_TRY_COMMAND(${CXX-g++} -E conftest.C) | egrep yes >/dev/null 2>&1; then
ac_cv_prog_gxx=yes
else
ac_cv_prog_gxx=no
@ -187,16 +187,17 @@ AC_CACHE_VAL(ac_cv_prog_cc_${ac_cc}_c_o,
# Make sure it works both with $CC and with simple cc.
# We do the test twice because some compilers refuse to overwrite an
# existing .o file with -o, though they will create one.
if ${CC-cc} -c conftest.c -o conftest.o 1>&AC_FD_CC 2>&AC_FD_CC &&
test -f conftest.o && ${CC-cc} -c conftest.c -o conftest.o 1>&AC_FD_CC 2>&AC_FD_CC
ac_try='${CC-cc} -c conftest.c -o conftest.o 1>&AC_FD_CC'
if AC_TRY_EVAL(ac_try) &&
test -f conftest.o && AC_TRY_EVAL(ac_try);
then
eval ac_cv_prog_cc_${ac_cc}_c_o=yes
if test "x$CC" != xcc; then
# Test first that cc exists at all.
if cc -c conftest.c 1>&AC_FD_CC 2>&AC_FD_CC; then
if cc -c conftest.c -o conftest2.o 1>&AC_FD_CC 2>&AC_FD_CC &&
test -f conftest2.o &&
cc -c conftest.c -o conftest2.o 1>&AC_FD_CC 2>&AC_FD_CC
if AC_TRY_COMMAND(cc -c conftest.c 1>&AC_FD_CC); then
ac_try='cc -c conftest.c -o conftest.o 1>&AC_FD_CC'
if AC_TRY_EVAL(ac_try) &&
test -f conftest.o && AC_TRY_EVAL(ac_try);
then
# cc works too.
:

17
lib/autoconf/specific.m4
View File

@ -80,7 +80,7 @@ cat > conftest.c <<EOF
yes;
#endif
EOF
if ${CC-cc} -E conftest.c 2>&AC_FD_CC | egrep yes >/dev/null 2>&1; then
if AC_TRY_COMMAND(${CC-cc} -E conftest.c) | egrep yes >/dev/null 2>&1; then
ac_cv_prog_gcc=yes
else
ac_cv_prog_gcc=no
@ -120,7 +120,7 @@ cat > conftest.C <<EOF
yes;
#endif
EOF
if ${CXX-g++} -E conftest.C 2>&AC_FD_CC | egrep yes >/dev/null 2>&1; then
if AC_TRY_COMMAND(${CXX-g++} -E conftest.C) | egrep yes >/dev/null 2>&1; then
ac_cv_prog_gxx=yes
else
ac_cv_prog_gxx=no
@ -187,16 +187,17 @@ AC_CACHE_VAL(ac_cv_prog_cc_${ac_cc}_c_o,
# Make sure it works both with $CC and with simple cc.
# We do the test twice because some compilers refuse to overwrite an
# existing .o file with -o, though they will create one.
if ${CC-cc} -c conftest.c -o conftest.o 1>&AC_FD_CC 2>&AC_FD_CC &&
test -f conftest.o && ${CC-cc} -c conftest.c -o conftest.o 1>&AC_FD_CC 2>&AC_FD_CC
ac_try='${CC-cc} -c conftest.c -o conftest.o 1>&AC_FD_CC'
if AC_TRY_EVAL(ac_try) &&
test -f conftest.o && AC_TRY_EVAL(ac_try);
then
eval ac_cv_prog_cc_${ac_cc}_c_o=yes
if test "x$CC" != xcc; then
# Test first that cc exists at all.
if cc -c conftest.c 1>&AC_FD_CC 2>&AC_FD_CC; then
if cc -c conftest.c -o conftest2.o 1>&AC_FD_CC 2>&AC_FD_CC &&
test -f conftest2.o &&
cc -c conftest.c -o conftest2.o 1>&AC_FD_CC 2>&AC_FD_CC
if AC_TRY_COMMAND(cc -c conftest.c 1>&AC_FD_CC); then
ac_try='cc -c conftest.c -o conftest.o 1>&AC_FD_CC'
if AC_TRY_EVAL(ac_try) &&
test -f conftest.o && AC_TRY_EVAL(ac_try);
then
# cc works too.
: