diff options
| -rw-r--r-- | config/ChangeLog | 6 | ||||
| -rw-r--r-- | config/no-executables.m4 | 8 | ||||
| -rw-r--r-- | libstdc++-v3/ChangeLog | 9 | ||||
| -rw-r--r-- | libstdc++-v3/acinclude.m4 | 182 | ||||
| -rwxr-xr-x | libstdc++-v3/configure | 464 |
5 files changed, 166 insertions, 503 deletions
diff --git a/config/ChangeLog b/config/ChangeLog index 67763a2..089fc82 100644 --- a/config/ChangeLog +++ b/config/ChangeLog @@ -1,3 +1,9 @@ +2007-10-03 Kazu Hirata <kazu@codesourcery.com> + + Revert: + 2007-10-02 Richard Sandiford <richard@codesourcery.com> + * no-executables.m4 (GCC_TRY_COMPILE_OR_LINK): New function. + 2007-10-02 Richard Sandiford <richard@codesourcery.com> * no-executables.m4 (GCC_TRY_COMPILE_OR_LINK): New function. diff --git a/config/no-executables.m4 b/config/no-executables.m4 index c4d0b70..54e5a02 100644 --- a/config/no-executables.m4 +++ b/config/no-executables.m4 @@ -59,11 +59,3 @@ 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], [$4]) -fi]) diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog index a87645a..8350df8 100644 --- a/libstdc++-v3/ChangeLog +++ b/libstdc++-v3/ChangeLog @@ -1,3 +1,12 @@ +2007-10-03 Kazu Hirata <kazu@codesourcery.com> + + Revert: + 2007-10-02 Richard Sandiford <richard@codesourcery.com> + * acinclude.m4 (GLIBCXX_ENABLE_C99): Temporarily add + -fno-exceptions to CXXFLAGS. Use GCC_TRY_COMPILE_OR_LINK. + Make the tests assign results to volatile variables. + * configure: Regenerate. + 2007-10-02 Richard Sandiford <richard@codesourcery.com> * acinclude.m4 (GLIBCXX_ENABLE_C99): Temporarily add diff --git a/libstdc++-v3/acinclude.m4 b/libstdc++-v3/acinclude.m4 index b0263ab..c26225e 100644 --- a/libstdc++-v3/acinclude.m4 +++ b/libstdc++-v3/acinclude.m4 @@ -763,32 +763,24 @@ AC_DEFUN([GLIBCXX_ENABLE_C99], [ AC_LANG_SAVE AC_LANG_CPLUSPLUS - # Use -fno-exceptions so that the C driver can link these tests without - # hitting undefined references to personality routines. - ac_save_CXXFLAGS="$CXXFLAGS" - CXXFLAGS="$CXXFLAGS -fno-exceptions" - # Check for the existence of <math.h> functions used if C99 is enabled. AC_MSG_CHECKING([for ISO C99 support in <math.h>]) AC_CACHE_VAL(ac_c99_math, [ - GCC_TRY_COMPILE_OR_LINK( - [#include <math.h> - volatile double d1, d2; - volatile int i;], - [i = fpclassify(d1); - i = isfinite(d1); - i = isinf(d1); - i = isnan(d1); - i = isnormal(d1); - i = signbit(d1); - i = isgreater(d1, d2); - i = isgreaterequal(d1, d2); - i = isless(d1, d2); - i = islessequal(d1, d2); - i = islessgreater(d1, d2); - i = islessgreater(d1, d2); - i = isunordered(d1, d2); - ],[ac_c99_math=yes], [ac_c99_math=no]) + AC_TRY_COMPILE([#include <math.h>], + [fpclassify(0.0); + isfinite(0.0); + isinf(0.0); + isnan(0.0); + isnormal(0.0); + signbit(0.0); + isgreater(0.0,0.0); + isgreaterequal(0.0,0.0); + isless(0.0,0.0); + islessequal(0.0,0.0); + islessgreater(0.0,0.0); + islessgreater(0.0,0.0); + isunordered(0.0,0.0); + ],[ac_c99_math=yes], [ac_c99_math=no]) ]) AC_MSG_RESULT($ac_c99_math) if test x"$ac_c99_math" = x"yes"; then @@ -806,54 +798,47 @@ AC_DEFUN([GLIBCXX_ENABLE_C99], [ ac_c99_complex=no; if test x"$ac_has_complex_h" = x"yes"; then AC_MSG_CHECKING([for ISO C99 support in <complex.h>]) - GCC_TRY_COMPILE_OR_LINK( - [#include <complex.h> - typedef __complex__ float float_type; - typedef __complex__ double double_type; - typedef __complex__ long double ld_type; - volatile float_type tmpf; - volatile double_type tmpd; - volatile ld_type tmpld; - volatile float f; - volatile double d; - volatile long double ld;], - [f = cabsf(tmpf); - f = cargf(tmpf); - tmpf = ccosf(tmpf); - tmpf = ccoshf(tmpf); - tmpf = cexpf(tmpf); - tmpf = clogf(tmpf); - tmpf = csinf(tmpf); - tmpf = csinhf(tmpf); - tmpf = csqrtf(tmpf); - tmpf = ctanf(tmpf); - tmpf = ctanhf(tmpf); - tmpf = cpowf(tmpf, tmpf); - d = cabs(tmpd); - d = carg(tmpd); - tmpd = ccos(tmpd); - tmpd = ccosh(tmpd); - tmpd = cexp(tmpd); - tmpd = clog(tmpd); - tmpd = csin(tmpd); - tmpd = csinh(tmpd); - tmpd = csqrt(tmpd); - tmpd = ctan(tmpd); - tmpd = ctanh(tmpd); - tmpd = cpow(tmpd, tmpd); - ld = cabsl(tmpld); - ld = cargl(tmpld); - tmpld = ccosl(tmpld); - tmpld = ccoshl(tmpld); - tmpld = cexpl(tmpld); - tmpld = clogl(tmpld); - tmpld = csinl(tmpld); - tmpld = csinhl(tmpld); - tmpld = csqrtl(tmpld); - tmpld = ctanl(tmpld); - tmpld = ctanhl(tmpld); - tmpld = cpowl(tmpld, tmpld); - ],[ac_c99_complex=yes], [ac_c99_complex=no]) + AC_TRY_COMPILE([#include <complex.h>], + [typedef __complex__ float float_type; float_type tmpf; + cabsf(tmpf); + cargf(tmpf); + ccosf(tmpf); + ccoshf(tmpf); + cexpf(tmpf); + clogf(tmpf); + csinf(tmpf); + csinhf(tmpf); + csqrtf(tmpf); + ctanf(tmpf); + ctanhf(tmpf); + cpowf(tmpf, tmpf); + typedef __complex__ double double_type; double_type tmpd; + cabs(tmpd); + carg(tmpd); + ccos(tmpd); + ccosh(tmpd); + cexp(tmpd); + clog(tmpd); + csin(tmpd); + csinh(tmpd); + csqrt(tmpd); + ctan(tmpd); + ctanh(tmpd); + cpow(tmpd, tmpd); + typedef __complex__ long double ld_type; ld_type tmpld; + cabsl(tmpld); + cargl(tmpld); + ccosl(tmpld); + ccoshl(tmpld); + cexpl(tmpld); + clogl(tmpld); + csinl(tmpld); + csinhl(tmpld); + csqrtl(tmpld); + ctanl(tmpld); + ctanhl(tmpld); + cpowl(tmpld, tmpld); + ],[ac_c99_complex=yes], [ac_c99_complex=no]) fi AC_MSG_RESULT($ac_c99_complex) if test x"$ac_c99_complex" = x"yes"; then @@ -866,43 +851,35 @@ AC_DEFUN([GLIBCXX_ENABLE_C99], [ # Check for the existence in <stdio.h> of vscanf, et. al. AC_MSG_CHECKING([for ISO C99 support in <stdio.h>]) AC_CACHE_VAL(ac_c99_stdio, [ - GCC_TRY_COMPILE_OR_LINK( - [#include <stdio.h> - #include <stdarg.h> - void foo(char* fmt, ...) - { - va_list args; va_start(args, fmt); - vfscanf(stderr, "%i", args); - vscanf("%i", args); - vsnprintf(fmt, 0, "%i", args); - vsscanf(fmt, "%i", args); - }], - [snprintf("12", 0, "%i");], - [ac_c99_stdio=yes], [ac_c99_stdio=no]) + AC_TRY_COMPILE([#include <stdio.h> + #include <stdarg.h> + void foo(char* fmt, ...) + { + va_list args; va_start(args, fmt); + vfscanf(stderr, "%i", args); + vscanf("%i", args); + vsnprintf(fmt, 0, "%i", args); + vsscanf(fmt, "%i", args); + }], + [snprintf("12", 0, "%i");], + [ac_c99_stdio=yes], [ac_c99_stdio=no]) ]) AC_MSG_RESULT($ac_c99_stdio) # Check for the existence in <stdlib.h> of lldiv_t, et. al. AC_MSG_CHECKING([for ISO C99 support in <stdlib.h>]) AC_CACHE_VAL(ac_c99_stdlib, [ - GCC_TRY_COMPILE_OR_LINK( - [#include <stdlib.h> - volatile float f; - volatile long double ld; - volatile unsigned long long ll; - lldiv_t mydivt;], - [char* tmp; - f = strtof("gnu", &tmp); - ld = strtold("gnu", &tmp); - ll = strtoll("gnu", &tmp, 10); - ll = strtoull("gnu", &tmp, 10); - ll = llabs(10); - mydivt = lldiv(10,1); - ll = mydivt.quot; - ll = mydivt.rem; - ll = atoll("10"); - _Exit(0); - ],[ac_c99_stdlib=yes], [ac_c99_stdlib=no]) + AC_TRY_COMPILE([#include <stdlib.h>], + [char* tmp; + strtof("gnu", &tmp); + strtold("gnu", &tmp); + strtoll("gnu", &tmp, 10); + strtoull("gnu", &tmp, 10); + llabs(10); + lldiv(10,1); + atoll("10"); + _Exit(0); + lldiv_t mydivt;],[ac_c99_stdlib=yes], [ac_c99_stdlib=no]) ]) AC_MSG_RESULT($ac_c99_stdlib) @@ -963,7 +940,6 @@ AC_DEFUN([GLIBCXX_ENABLE_C99], [ <complex.h>, <stdio.h>, and <stdlib.h> can be used or exposed.]) fi - CXXFLAGS="$ac_save_CXXFLAGS" AC_LANG_RESTORE fi diff --git a/libstdc++-v3/configure b/libstdc++-v3/configure index 772e6de..e42e1bb 100755 --- a/libstdc++-v3/configure +++ b/libstdc++-v3/configure @@ -15436,11 +15436,6 @@ ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ex ac_compiler_gnu=$ac_cv_cxx_compiler_gnu - # Use -fno-exceptions so that the C driver can link these tests without - # hitting undefined references to personality routines. - ac_save_CXXFLAGS="$CXXFLAGS" - CXXFLAGS="$CXXFLAGS -fno-exceptions" - # Check for the existence of <math.h> functions used if C99 is enabled. echo "$as_me:$LINENO: checking for ISO C99 support in <math.h>" >&5 echo $ECHO_N "checking for ISO C99 support in <math.h>... $ECHO_C" >&6 @@ -15448,7 +15443,6 @@ echo $ECHO_N "checking for ISO C99 support in <math.h>... $ECHO_C" >&6 echo $ECHO_N "(cached) $ECHO_C" >&6 else - if test x$gcc_no_link = xyes; then cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF @@ -15456,24 +15450,22 @@ cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ #include <math.h> - volatile double d1, d2; - volatile int i; int main () { -i = fpclassify(d1); - i = isfinite(d1); - i = isinf(d1); - i = isnan(d1); - i = isnormal(d1); - i = signbit(d1); - i = isgreater(d1, d2); - i = isgreaterequal(d1, d2); - i = isless(d1, d2); - i = islessequal(d1, d2); - i = islessgreater(d1, d2); - i = islessgreater(d1, d2); - i = isunordered(d1, d2); +fpclassify(0.0); + isfinite(0.0); + isinf(0.0); + isnan(0.0); + isnormal(0.0); + signbit(0.0); + isgreater(0.0,0.0); + isgreaterequal(0.0,0.0); + isless(0.0,0.0); + islessequal(0.0,0.0); + islessgreater(0.0,0.0); + islessgreater(0.0,0.0); + isunordered(0.0,0.0); ; return 0; @@ -15509,74 +15501,6 @@ sed 's/^/| /' conftest.$ac_ext >&5 ac_c99_math=no fi rm -f conftest.err conftest.$ac_objext conftest.$ac_ext -else - if test x$gcc_no_link = xyes; then - { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5 -echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;} - { (exit 1); exit 1; }; } -fi -cat >conftest.$ac_ext <<_ACEOF -/* confdefs.h. */ -_ACEOF -cat confdefs.h >>conftest.$ac_ext -cat >>conftest.$ac_ext <<_ACEOF -/* end confdefs.h. */ -#include <math.h> - volatile double d1, d2; - volatile int i; -int -main () -{ -i = fpclassify(d1); - i = isfinite(d1); - i = isinf(d1); - i = isnan(d1); - i = isnormal(d1); - i = signbit(d1); - i = isgreater(d1, d2); - i = isgreaterequal(d1, d2); - i = isless(d1, d2); - i = islessequal(d1, d2); - i = islessgreater(d1, d2); - i = islessgreater(d1, d2); - i = isunordered(d1, d2); - - ; - return 0; -} -_ACEOF -rm -f conftest.$ac_objext conftest$ac_exeext -if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 - (eval $ac_link) 2>conftest.er1 - ac_status=$? - grep -v '^ *+' conftest.er1 >conftest.err - rm -f conftest.er1 - cat conftest.err >&5 - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); } && - { ac_try='test -z "$ac_cxx_werror_flag" - || test ! -s conftest.err' - { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 - (eval $ac_try) 2>&5 - ac_status=$? - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); }; } && - { ac_try='test -s conftest$ac_exeext' - { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 - (eval $ac_try) 2>&5 - ac_status=$? - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); }; }; then - ac_c99_math=yes -else - echo "$as_me: failed program was:" >&5 -sed 's/^/| /' conftest.$ac_ext >&5 - -ac_c99_math=no -fi -rm -f conftest.err conftest.$ac_objext \ - conftest$ac_exeext conftest.$ac_ext -fi fi @@ -15902,62 +15826,55 @@ done if test x"$ac_has_complex_h" = x"yes"; then echo "$as_me:$LINENO: checking for ISO C99 support in <complex.h>" >&5 echo $ECHO_N "checking for ISO C99 support in <complex.h>... $ECHO_C" >&6 - if test x$gcc_no_link = xyes; then - cat >conftest.$ac_ext <<_ACEOF + cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ #include <complex.h> - typedef __complex__ float float_type; - typedef __complex__ double double_type; - typedef __complex__ long double ld_type; - volatile float_type tmpf; - volatile double_type tmpd; - volatile ld_type tmpld; - volatile float f; - volatile double d; - volatile long double ld; int main () { -f = cabsf(tmpf); - f = cargf(tmpf); - tmpf = ccosf(tmpf); - tmpf = ccoshf(tmpf); - tmpf = cexpf(tmpf); - tmpf = clogf(tmpf); - tmpf = csinf(tmpf); - tmpf = csinhf(tmpf); - tmpf = csqrtf(tmpf); - tmpf = ctanf(tmpf); - tmpf = ctanhf(tmpf); - tmpf = cpowf(tmpf, tmpf); - d = cabs(tmpd); - d = carg(tmpd); - tmpd = ccos(tmpd); - tmpd = ccosh(tmpd); - tmpd = cexp(tmpd); - tmpd = clog(tmpd); - tmpd = csin(tmpd); - tmpd = csinh(tmpd); - tmpd = csqrt(tmpd); - tmpd = ctan(tmpd); - tmpd = ctanh(tmpd); - tmpd = cpow(tmpd, tmpd); - ld = cabsl(tmpld); - ld = cargl(tmpld); - tmpld = ccosl(tmpld); - tmpld = ccoshl(tmpld); - tmpld = cexpl(tmpld); - tmpld = clogl(tmpld); - tmpld = csinl(tmpld); - tmpld = csinhl(tmpld); - tmpld = csqrtl(tmpld); - tmpld = ctanl(tmpld); - tmpld = ctanhl(tmpld); - tmpld = cpowl(tmpld, tmpld); +typedef __complex__ float float_type; float_type tmpf; + cabsf(tmpf); + cargf(tmpf); + ccosf(tmpf); + ccoshf(tmpf); + cexpf(tmpf); + clogf(tmpf); + csinf(tmpf); + csinhf(tmpf); + csqrtf(tmpf); + ctanf(tmpf); + ctanhf(tmpf); + cpowf(tmpf, tmpf); + typedef __complex__ double double_type; double_type tmpd; + cabs(tmpd); + carg(tmpd); + ccos(tmpd); + ccosh(tmpd); + cexp(tmpd); + clog(tmpd); + csin(tmpd); + csinh(tmpd); + csqrt(tmpd); + ctan(tmpd); + ctanh(tmpd); + cpow(tmpd, tmpd); + typedef __complex__ long double ld_type; ld_type tmpld; + cabsl(tmpld); + cargl(tmpld); + ccosl(tmpld); + ccoshl(tmpld); + cexpl(tmpld); + clogl(tmpld); + csinl(tmpld); + csinhl(tmpld); + csqrtl(tmpld); + ctanl(tmpld); + ctanhl(tmpld); + cpowl(tmpld, tmpld); ; return 0; @@ -15993,104 +15910,6 @@ sed 's/^/| /' conftest.$ac_ext >&5 ac_c99_complex=no fi rm -f conftest.err conftest.$ac_objext conftest.$ac_ext -else - if test x$gcc_no_link = xyes; then - { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5 -echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;} - { (exit 1); exit 1; }; } -fi -cat >conftest.$ac_ext <<_ACEOF -/* confdefs.h. */ -_ACEOF -cat confdefs.h >>conftest.$ac_ext -cat >>conftest.$ac_ext <<_ACEOF -/* end confdefs.h. */ -#include <complex.h> - typedef __complex__ float float_type; - typedef __complex__ double double_type; - typedef __complex__ long double ld_type; - volatile float_type tmpf; - volatile double_type tmpd; - volatile ld_type tmpld; - volatile float f; - volatile double d; - volatile long double ld; -int -main () -{ -f = cabsf(tmpf); - f = cargf(tmpf); - tmpf = ccosf(tmpf); - tmpf = ccoshf(tmpf); - tmpf = cexpf(tmpf); - tmpf = clogf(tmpf); - tmpf = csinf(tmpf); - tmpf = csinhf(tmpf); - tmpf = csqrtf(tmpf); - tmpf = ctanf(tmpf); - tmpf = ctanhf(tmpf); - tmpf = cpowf(tmpf, tmpf); - d = cabs(tmpd); - d = carg(tmpd); - tmpd = ccos(tmpd); - tmpd = ccosh(tmpd); - tmpd = cexp(tmpd); - tmpd = clog(tmpd); - tmpd = csin(tmpd); - tmpd = csinh(tmpd); - tmpd = csqrt(tmpd); - tmpd = ctan(tmpd); - tmpd = ctanh(tmpd); - tmpd = cpow(tmpd, tmpd); - ld = cabsl(tmpld); - ld = cargl(tmpld); - tmpld = ccosl(tmpld); - tmpld = ccoshl(tmpld); - tmpld = cexpl(tmpld); - tmpld = clogl(tmpld); - tmpld = csinl(tmpld); - tmpld = csinhl(tmpld); - tmpld = csqrtl(tmpld); - tmpld = ctanl(tmpld); - tmpld = ctanhl(tmpld); - tmpld = cpowl(tmpld, tmpld); - - ; - return 0; -} -_ACEOF -rm -f conftest.$ac_objext conftest$ac_exeext -if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 - (eval $ac_link) 2>conftest.er1 - ac_status=$? - grep -v '^ *+' conftest.er1 >conftest.err - rm -f conftest.er1 - cat conftest.err >&5 - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); } && - { ac_try='test -z "$ac_cxx_werror_flag" - || test ! -s conftest.err' - { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 - (eval $ac_try) 2>&5 - ac_status=$? - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); }; } && - { ac_try='test -s conftest$ac_exeext' - { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 - (eval $ac_try) 2>&5 - ac_status=$? - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); }; }; then - ac_c99_complex=yes -else - echo "$as_me: failed program was:" >&5 -sed 's/^/| /' conftest.$ac_ext >&5 - -ac_c99_complex=no -fi -rm -f conftest.err conftest.$ac_objext \ - conftest$ac_exeext conftest.$ac_ext -fi fi echo "$as_me:$LINENO: result: $ac_c99_complex" >&5 echo "${ECHO_T}$ac_c99_complex" >&6 @@ -16109,7 +15928,6 @@ echo $ECHO_N "checking for ISO C99 support in <stdio.h>... $ECHO_C" >&6 echo $ECHO_N "(cached) $ECHO_C" >&6 else - if test x$gcc_no_link = xyes; then cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF @@ -16117,15 +15935,15 @@ cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ #include <stdio.h> - #include <stdarg.h> - void foo(char* fmt, ...) - { - va_list args; va_start(args, fmt); - vfscanf(stderr, "%i", args); - vscanf("%i", args); - vsnprintf(fmt, 0, "%i", args); - vsscanf(fmt, "%i", args); - } + #include <stdarg.h> + void foo(char* fmt, ...) + { + va_list args; va_start(args, fmt); + vfscanf(stderr, "%i", args); + vscanf("%i", args); + vsnprintf(fmt, 0, "%i", args); + vsscanf(fmt, "%i", args); + } int main () { @@ -16164,68 +15982,6 @@ sed 's/^/| /' conftest.$ac_ext >&5 ac_c99_stdio=no fi rm -f conftest.err conftest.$ac_objext conftest.$ac_ext -else - if test x$gcc_no_link = xyes; then - { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5 -echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;} - { (exit 1); exit 1; }; } -fi -cat >conftest.$ac_ext <<_ACEOF -/* confdefs.h. */ -_ACEOF -cat confdefs.h >>conftest.$ac_ext -cat >>conftest.$ac_ext <<_ACEOF -/* end confdefs.h. */ -#include <stdio.h> - #include <stdarg.h> - void foo(char* fmt, ...) - { - va_list args; va_start(args, fmt); - vfscanf(stderr, "%i", args); - vscanf("%i", args); - vsnprintf(fmt, 0, "%i", args); - vsscanf(fmt, "%i", args); - } -int -main () -{ -snprintf("12", 0, "%i"); - ; - return 0; -} -_ACEOF -rm -f conftest.$ac_objext conftest$ac_exeext -if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 - (eval $ac_link) 2>conftest.er1 - ac_status=$? - grep -v '^ *+' conftest.er1 >conftest.err - rm -f conftest.er1 - cat conftest.err >&5 - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); } && - { ac_try='test -z "$ac_cxx_werror_flag" - || test ! -s conftest.err' - { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 - (eval $ac_try) 2>&5 - ac_status=$? - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); }; } && - { ac_try='test -s conftest$ac_exeext' - { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 - (eval $ac_try) 2>&5 - ac_status=$? - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); }; }; then - ac_c99_stdio=yes -else - echo "$as_me: failed program was:" >&5 -sed 's/^/| /' conftest.$ac_ext >&5 - -ac_c99_stdio=no -fi -rm -f conftest.err conftest.$ac_objext \ - conftest$ac_exeext conftest.$ac_ext -fi fi @@ -16239,7 +15995,6 @@ echo $ECHO_N "checking for ISO C99 support in <stdlib.h>... $ECHO_C" >&6 echo $ECHO_N "(cached) $ECHO_C" >&6 else - if test x$gcc_no_link = xyes; then cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF @@ -16247,25 +16002,19 @@ cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ #include <stdlib.h> - volatile float f; - volatile long double ld; - volatile unsigned long long ll; - lldiv_t mydivt; int main () { char* tmp; - f = strtof("gnu", &tmp); - ld = strtold("gnu", &tmp); - ll = strtoll("gnu", &tmp, 10); - ll = strtoull("gnu", &tmp, 10); - ll = llabs(10); - mydivt = lldiv(10,1); - ll = mydivt.quot; - ll = mydivt.rem; - ll = atoll("10"); - _Exit(0); - + strtof("gnu", &tmp); + strtold("gnu", &tmp); + strtoll("gnu", &tmp, 10); + strtoull("gnu", &tmp, 10); + llabs(10); + lldiv(10,1); + atoll("10"); + _Exit(0); + lldiv_t mydivt; ; return 0; } @@ -16300,74 +16049,6 @@ sed 's/^/| /' conftest.$ac_ext >&5 ac_c99_stdlib=no fi rm -f conftest.err conftest.$ac_objext conftest.$ac_ext -else - if test x$gcc_no_link = xyes; then - { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5 -echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;} - { (exit 1); exit 1; }; } -fi -cat >conftest.$ac_ext <<_ACEOF -/* confdefs.h. */ -_ACEOF -cat confdefs.h >>conftest.$ac_ext -cat >>conftest.$ac_ext <<_ACEOF -/* end confdefs.h. */ -#include <stdlib.h> - volatile float f; - volatile long double ld; - volatile unsigned long long ll; - lldiv_t mydivt; -int -main () -{ -char* tmp; - f = strtof("gnu", &tmp); - ld = strtold("gnu", &tmp); - ll = strtoll("gnu", &tmp, 10); - ll = strtoull("gnu", &tmp, 10); - ll = llabs(10); - mydivt = lldiv(10,1); - ll = mydivt.quot; - ll = mydivt.rem; - ll = atoll("10"); - _Exit(0); - - ; - return 0; -} -_ACEOF -rm -f conftest.$ac_objext conftest$ac_exeext -if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 - (eval $ac_link) 2>conftest.er1 - ac_status=$? - grep -v '^ *+' conftest.er1 >conftest.err - rm -f conftest.er1 - cat conftest.err >&5 - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); } && - { ac_try='test -z "$ac_cxx_werror_flag" - || test ! -s conftest.err' - { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 - (eval $ac_try) 2>&5 - ac_status=$? - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); }; } && - { ac_try='test -s conftest$ac_exeext' - { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 - (eval $ac_try) 2>&5 - ac_status=$? - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); }; }; then - ac_c99_stdlib=yes -else - echo "$as_me: failed program was:" >&5 -sed 's/^/| /' conftest.$ac_ext >&5 - -ac_c99_stdlib=no -fi -rm -f conftest.err conftest.$ac_objext \ - conftest$ac_exeext conftest.$ac_ext -fi fi @@ -16705,7 +16386,6 @@ _ACEOF fi - CXXFLAGS="$ac_save_CXXFLAGS" ac_ext=c ac_cpp='$CPP $CPPFLAGS' ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' @@ -17625,7 +17305,7 @@ ac_compiler_gnu=$ac_cv_cxx_compiler_gnu # Fake what AC_TRY_COMPILE does. XXX Look at redoing this new-style. cat > conftest.$ac_ext << EOF -#line 17628 "configure" +#line 17308 "configure" int main() { // NB: _Atomic_word not necessarily int. |