It seems that some system libraries expect __STDC_HOSTED__ to
be always defined.
So, teach sparse the options flags -f[no-]{hosted,freestanding}
and define __STDC_HOSTED__ accordingly.
---
lib.c | 4 ++++
lib.h | 1 +
validation/preprocessor/freestanding.c | 11 +++++++++++
validation/preprocessor/hosted.c | 11 +++++++++++
4 files changed, 27 insertions(+)
create mode 100644 validation/preprocessor/freestanding.c
create mode 100644 validation/preprocessor/hosted.c
diff --git a/lib.c b/lib.c
index 88bb31093deb..e56788260cb7 100644
--- a/lib.c
+++ b/lib.c
@@ -311,6 +311,7 @@ int dbg_ir = 0;
int dbg_postorder = 0;
unsigned long fdump_ir;
+int fhosted = 1;
int fmem_report = 0;
unsigned long long fmemcpy_max_count = 100000;
unsigned long fpasses = ~0UL;
@@ -994,6 +995,8 @@ static int handle_fmax_warnings(const char *arg, const char *opt, const struct f
static struct flag fflags[] = {
{ "diagnostic-prefix", NULL, handle_fdiagnostic_prefix },
{ "dump-ir", NULL, handle_fdump_ir },
+ { "freestanding", &fhosted, NULL, OPT_INVERSE },
+ { "hosted", &fhosted },
{ "linearize", NULL, handle_fpasses, PASS_LINEARIZE },
{ "max-warnings=", NULL, handle_fmax_warnings },
{ "mem-report", &fmem_report },
@@ -1300,6 +1303,7 @@ static void predefined_macros(void)
predefine("__GNUC_PATCHLEVEL__", 1, "%d", gcc_patchlevel);
predefine("__STDC__", 1, "1");
+ predefine("__STDC_HOSTED__", 0, fhosted ? "1" : "0");
switch (standard) {
default:
break;
diff --git a/lib.h b/lib.h
index e767840c1038..4f67958efdb9 100644
--- a/lib.h
+++ b/lib.h
@@ -202,6 +202,7 @@ extern int dbg_postorder;
extern unsigned int fmax_warnings;
extern int fmem_report;
extern unsigned long fdump_ir;
+extern int fhosted;
extern unsigned long long fmemcpy_max_count;
extern unsigned long fpasses;
extern int fpic;
diff --git a/validation/preprocessor/freestanding.c b/validation/preprocessor/freestanding.c
new file mode 100644
index 000000000000..7ee35354f711
--- /dev/null
+++ b/validation/preprocessor/freestanding.c
@@ -0,0 +1,11 @@
+__STDC_HOSTED__
+
+/*
+ * check-name: freestanding
+ * check-command: sparse -E -ffreestanding $file
+ *
+ * check-output-start
+
+0
+ * check-output-end
+ */
diff --git a/validation/preprocessor/hosted.c b/validation/preprocessor/hosted.c
new file mode 100644
index 000000000000..e6b3d3c1d6b7
--- /dev/null
+++ b/validation/preprocessor/hosted.c
@@ -0,0 +1,11 @@
+__STDC_HOSTED__
+
+/*
+ * check-name: hosted
+ * check-command: sparse -E -fhosted $file
+ *
+ * check-output-start
+
+1
+ * check-output-end
+ */
--
2.27.0
