decouple internal.h headers

Saves comitters' daily life by avoid #include-ing everything from
internal.h to make each file do so instead.  This would significantly
speed up incremental builds.

We take the following inclusion order in this changeset:

1.  "ruby/config.h", where _GNU_SOURCE is defined (must be the very
    first thing among everything).
2.  RUBY_EXTCONF_H if any.
3.  Standard C headers, sorted alphabetically.
4.  Other system headers, maybe guarded by #ifdef
5.  Everything else, sorted alphabetically.

Exceptions are those win32-related headers, which tend not be self-
containing (headers have inclusion order dependencies).

12 files changed, 13 insertions, 13 deletions

diff --git a/ext/-test-/bignum/big2str.c b/ext/-test-/bignum/big2str.c
index ec4bde2915..bc5a933f82 100644
--- a/ext/-test-/bignum/big2str.c
+++ b/ext/-test-/bignum/big2str.c
@@ -1,4 +1,4 @@
-#include "internal.h"
+#include "internal/bignum.h"
 
 static VALUE
 big(VALUE x)
diff --git a/ext/-test-/bignum/bigzero.c b/ext/-test-/bignum/bigzero.c
index 35117db7ae..e2bfebcd3e 100644
--- a/ext/-test-/bignum/bigzero.c
+++ b/ext/-test-/bignum/bigzero.c
@@ -1,4 +1,4 @@
-#include "internal.h"
+#include "internal/bignum.h"
 
 static VALUE
 bug_big_zero(VALUE self, VALUE length)
diff --git a/ext/-test-/bignum/div.c b/ext/-test-/bignum/div.c
index a1db21dc30..2be0d2d62a 100644
--- a/ext/-test-/bignum/div.c
+++ b/ext/-test-/bignum/div.c
@@ -1,4 +1,4 @@
-#include "internal.h"
+#include "internal/bignum.h"
 
 static VALUE
 big(VALUE x)
diff --git a/ext/-test-/bignum/intpack.c b/ext/-test-/bignum/intpack.c
index 2d19442cf2..698362f96f 100644
--- a/ext/-test-/bignum/intpack.c
+++ b/ext/-test-/bignum/intpack.c
@@ -1,4 +1,4 @@
-#include "internal.h"
+#include "internal/bignum.h"
 
 static VALUE
 rb_integer_pack_raw_m(VALUE val, VALUE buf, VALUE numwords_arg, VALUE wordsize_arg, VALUE nails, VALUE flags)
diff --git a/ext/-test-/bignum/mul.c b/ext/-test-/bignum/mul.c
index b922f34437..1b6eb911bd 100644
--- a/ext/-test-/bignum/mul.c
+++ b/ext/-test-/bignum/mul.c
@@ -1,4 +1,4 @@
-#include "internal.h"
+#include "internal/bignum.h"
 
 static VALUE
 big(VALUE x)
diff --git a/ext/-test-/bignum/str2big.c b/ext/-test-/bignum/str2big.c
index bc79ef0329..7dd2da9a07 100644
--- a/ext/-test-/bignum/str2big.c
+++ b/ext/-test-/bignum/str2big.c
@@ -1,4 +1,4 @@
-#include "internal.h"
+#include "internal/bignum.h"
 
 static VALUE
 str2big_poweroftwo(VALUE str, VALUE vbase, VALUE badcheck)
diff --git a/ext/-test-/integer/core_ext.c b/ext/-test-/integer/core_ext.c
index 510ba4a1e6..2062fa3afa 100644
--- a/ext/-test-/integer/core_ext.c
+++ b/ext/-test-/integer/core_ext.c
@@ -1,4 +1,4 @@
-#include "internal.h"
+#include "internal/numeric.h"
 
 static VALUE
 int_bignum_p(VALUE self)
diff --git a/ext/-test-/rational/rat.c b/ext/-test-/rational/rat.c
index 772546fca8..01388346f7 100644
--- a/ext/-test-/rational/rat.c
+++ b/ext/-test-/rational/rat.c
@@ -1,4 +1,4 @@
-#include "internal.h"
+#include "internal/rational.h"
 
 #if defined(HAVE_LIBGMP) && defined(HAVE_GMP_H)
 static VALUE
diff --git a/ext/-test-/string/capacity.c b/ext/-test-/string/capacity.c
index f5277bf4e6..cb8d2c2b3a 100644
--- a/ext/-test-/string/capacity.c
+++ b/ext/-test-/string/capacity.c
@@ -1,5 +1,5 @@
 #include "ruby.h"
-#include "internal.h"
+#include "internal/string.h"
 
 static VALUE
 bug_str_capacity(VALUE klass, VALUE str)
diff --git a/ext/-test-/string/cstr.c b/ext/-test-/string/cstr.c
index 71eafdb703..5a464451da 100644
--- a/ext/-test-/string/cstr.c
+++ b/ext/-test-/string/cstr.c
@@ -1,5 +1,6 @@
-#include "ruby/encoding.h"
 #include "internal.h"
+#include "internal/error.h"
+#include "ruby/encoding.h"
 
 static VALUE
 bug_str_cstr_term(VALUE str)
diff --git a/ext/-test-/string/normalize.c b/ext/-test-/string/normalize.c
index 0ba1797631..a069288ee8 100644
--- a/ext/-test-/string/normalize.c
+++ b/ext/-test-/string/normalize.c
@@ -1,4 +1,4 @@
-#include "internal.h"
+#include "internal/file.h"
 
 #ifdef __APPLE__
 static VALUE
diff --git a/ext/-test-/time/leap_second.c b/ext/-test-/time/leap_second.c
index 7eed421b73..ccf38194f0 100644
--- a/ext/-test-/time/leap_second.c
+++ b/ext/-test-/time/leap_second.c
@@ -1,6 +1,5 @@
-#include "ruby.h"
+#include "internal/time.h"
 
-void ruby_reset_leap_second_info(void);
 static VALUE
 bug_time_s_reset_leap_second_info(VALUE klass)
 {