diff --git a/libstdc++-v3/configure b/libstdc++-v3/configure index 1ff28af2c2c1..4f2c12f6b691 100755 --- a/libstdc++-v3/configure +++ b/libstdc++-v3/configure @@ -3348,6 +3348,15 @@ else GLIBCXX_IS_NATIVE=true fi +# In the case that we're building without headers, we won't have +# available. In these cases, we have to instruct autotools to never include +# as a part of default headers. + +if test "x$with_headers" = "xno"; then + ac_includes_default=`echo "$ac_includes_default" | sed '/^#include $/d'` +fi + + # Sets up automake. Must come after AC_CANONICAL_SYSTEM. Each of the # following is magically included in AUTOMAKE_OPTIONS in each Makefile.am. # 1.x: minimum required version @@ -12191,7 +12200,7 @@ else lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 lt_status=$lt_dlunknown cat > conftest.$ac_ext <<_LT_EOF -#line 12194 "configure" +#line 12203 "configure" #include "confdefs.h" #if HAVE_DLFCN_H @@ -12297,7 +12306,7 @@ else lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 lt_status=$lt_dlunknown cat > conftest.$ac_ext <<_LT_EOF -#line 12300 "configure" +#line 12309 "configure" #include "confdefs.h" #if HAVE_DLFCN_H @@ -15981,7 +15990,7 @@ $as_echo "$glibcxx_cv_atomic_long_long" >&6; } # Fake what AC_TRY_COMPILE does. cat > conftest.$ac_ext << EOF -#line 15984 "configure" +#line 15993 "configure" int main() { typedef bool atomic_type; @@ -16016,7 +16025,7 @@ $as_echo "$glibcxx_cv_atomic_bool" >&6; } rm -f conftest* cat > conftest.$ac_ext << EOF -#line 16019 "configure" +#line 16028 "configure" int main() { typedef short atomic_type; @@ -16051,7 +16060,7 @@ $as_echo "$glibcxx_cv_atomic_short" >&6; } rm -f conftest* cat > conftest.$ac_ext << EOF -#line 16054 "configure" +#line 16063 "configure" int main() { // NB: _Atomic_word not necessarily int. @@ -16087,7 +16096,7 @@ $as_echo "$glibcxx_cv_atomic_int" >&6; } rm -f conftest* cat > conftest.$ac_ext << EOF -#line 16090 "configure" +#line 16099 "configure" int main() { typedef long long atomic_type; @@ -16243,7 +16252,7 @@ $as_echo "mutex" >&6; } # unnecessary for this test. cat > conftest.$ac_ext << EOF -#line 16246 "configure" +#line 16255 "configure" int main() { _Decimal32 d1; @@ -16285,7 +16294,7 @@ ac_compiler_gnu=$ac_cv_cxx_compiler_gnu # unnecessary for this test. cat > conftest.$ac_ext << EOF -#line 16288 "configure" +#line 16297 "configure" template struct same { typedef T2 type; }; diff --git a/libstdc++-v3/configure.ac b/libstdc++-v3/configure.ac index b351622bf467..c05fcdda7e90 100644 --- a/libstdc++-v3/configure.ac +++ b/libstdc++-v3/configure.ac @@ -58,6 +58,15 @@ else GLIBCXX_IS_NATIVE=true fi +# In the case that we're building without headers, we won't have +# available. In these cases, we have to instruct autotools to never include +# as a part of default headers. +m4_version_prereq([2.70], [], [ +if test "x$with_headers" = "xno"; then + ac_includes_default=`echo "$ac_includes_default" | sed '/^#include $/d'` +fi +]) + # Sets up automake. Must come after AC_CANONICAL_SYSTEM. Each of the # following is magically included in AUTOMAKE_OPTIONS in each Makefile.am. # 1.x: minimum required version