meson: Use .inc for generated code meant to be included in other files

These files use the .h extension but are not standalone so let's not
make it appear like they are proper headers and instead use the .inc
extension.

src/basic/af-list.c

@@ -10,8 +10,8 @@
 
 static const struct af_name* lookup_af(register const char *str, register GPERF_LEN_TYPE len);
 
-#include "af-from-name.h"
-#include "af-to-name.h"
+#include "af-from-name.inc"
+#include "af-to-name.inc"
 
 const char* af_to_name(int id) {
 

src/basic/arphrd-util.c

@@ -12,8 +12,8 @@
 
 static const struct arphrd_name* lookup_arphrd(register const char *str, register GPERF_LEN_TYPE len);
 
-#include "arphrd-from-name.h"
-#include "arphrd-to-name.h"
+#include "arphrd-from-name.inc"
+#include "arphrd-to-name.inc"
 
 int arphrd_from_name(const char *name) {
         const struct arphrd_name *sc;

src/basic/cap-list.c

@@ -17,8 +17,8 @@
 
 static const struct capability_name* lookup_capability(register const char *str, register GPERF_LEN_TYPE len);
 
-#include "cap-from-name.h"
-#include "cap-to-name.h"
+#include "cap-from-name.inc"
+#include "cap-to-name.inc"
 
 const char* capability_to_name(int id) {
         if (id < 0)

src/basic/errno-list.c

@@ -10,10 +10,10 @@
 static const struct errno_name* lookup_errno(register const char *str,
                                              register GPERF_LEN_TYPE len);
 
-#include "errno-from-name.h"
+#include "errno-from-name.inc"
 
 #if !HAVE_STRERRORNAME_NP
-#include "errno-to-name.h"
+#include "errno-to-name.inc"
 
 const char* errno_to_name(int id) {
 

src/basic/filesystems.c

@@ -6,7 +6,7 @@
 const char* fs_type_to_string(statfs_f_type_t magic) {
 
         switch (magic) {
-#include "filesystem-switch-case.h"
+#include "filesystem-switch-case.inc"
         }
 
         return NULL;
@@ -158,7 +158,7 @@ const FilesystemSet filesystem_sets[_FILESYSTEM_SET_MAX] = {
                 .name = "@known",
                 .help = "All known filesystems declared in the kernel",
                 .value =
-#include "filesystem-list.h"
+#include "filesystem-list.inc"
         },
 };
 

src/basic/meson.build

@@ -168,7 +168,7 @@ foreach item : [['af',     af_list_txt,     'af',         ''],
                 command : [generate_gperfs, item[2], item[3], '@INPUT@'],
                 capture : true)
 
-        fname = '@0@-from-name.h'.format(item[0])
+        fname = '@0@-from-name.inc'.format(item[0])
         target1 = custom_target(
                 fname,
                 input : gperf_file,
@@ -181,7 +181,7 @@ foreach item : [['af',     af_list_txt,     'af',         ''],
                            '@INPUT@'],
                 capture : true)
 
-        fname = '@0@-to-name.h'.format(item[0])
+        fname = '@0@-to-name.inc'.format(item[0])
         awkscript = '@0@-to-name.awk'.format(item[0])
         target2 = custom_target(
                 fname,
@@ -266,8 +266,8 @@ filesystems_gperf_h = custom_target(
         command : [gperf, '@INPUT@', '--output-file', '@OUTPUT@'])
 
 generate_filesystem_list = find_program('generate-filesystem-list.py')
-fname = 'filesystem-list.h'
-filesystem_list_h = custom_target(
+fname = 'filesystem-list.inc'
+filesystem_list_inc = custom_target(
         fname,
         input : 'filesystems-gperf.gperf',
         output : fname,
@@ -275,18 +275,18 @@ filesystem_list_h = custom_target(
                    '@INPUT@'],
         capture : true)
 
-generate_filesystem_switch_case_h = find_program('generate-filesystem-switch-case.py')
-fname = 'filesystem-switch-case.h'
-filesystem_switch_case_h = custom_target(
+generate_filesystem_switch_case_inc = find_program('generate-filesystem-switch-case.py')
+fname = 'filesystem-switch-case.inc'
+filesystem_switch_case_inc = custom_target(
         fname,
         input : 'filesystems-gperf.gperf',
-        output : 'filesystem-switch-case.h',
-        command : [generate_filesystem_switch_case_h,
+        output : fname,
+        command : [generate_filesystem_switch_case_inc,
                    '@INPUT@'],
         capture : true)
 
-generated_sources += [filesystem_list_h, filesystem_switch_case_h, filesystems_gperf_h]
-basic_sources += [filesystem_list_h, filesystem_switch_case_h, filesystems_gperf_h]
+generated_sources += [filesystem_list_inc, filesystem_switch_case_inc, filesystems_gperf_h]
+basic_sources += [filesystem_list_inc, filesystem_switch_case_inc, filesystems_gperf_h]
 
 libbasic_static = static_library(
         'basic',