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* [gcc/devel/omp/gcc-11] Bind(C): Fix type encodings in ISO_Fortran_binding.h
@ 2021-08-20 3:05 Sandra Loosemore
0 siblings, 0 replies; only message in thread
From: Sandra Loosemore @ 2021-08-20 3:05 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:2446af41a53f0283360d523cb8b3554b4e36ade6
commit 2446af41a53f0283360d523cb8b3554b4e36ade6
Author: Sandra Loosemore <sandra@codesourcery.com>
Date: Wed Aug 11 18:33:52 2021 -0700
Bind(C): Fix type encodings in ISO_Fortran_binding.h
ISO_Fortran_binding.h had many incorrect hardwired kind encodings in
the definitions of the CFI_type_* macros. Additionally, not all
targets support all the defined type encodings, and the Fortran
standard requires those macros to have a negative value.
This patch changes ISO_Fortran_binding.h to use sizeof instead of
hard-coded sizes, and assembles it from fragments that reflect the
set of types supported by the target.
2021-07-22 Sandra Loosemore <sandra@codesourcery.com>
Tobias Burnus <tobias@codesourcery.com>
libgfortran/
PR libfortran/101305
* ISO_Fortran_binding.h: Fix hard-coded sizes and split into...
* ISO_Fortran_binding-1-tmpl.h: New file.
* ISO_Fortran_binding-2-tmpl.h: New file.
* ISO_Fortran_binding-3-tmpl.h: New file.
* Makefile.am: Add rule for generating ISO_Fortran_binding.h.
Adjust pathnames to that file.
* Makefile.in: Regenerated.
* mk-kinds-h.sh: New file.
* runtime/ISO_Fortran_binding.c: Fix include path.
(cherry picked from commit fef67987cf502fe322e92ddce22eea7ac46b4d75)
Diff:
---
libgfortran/ChangeLog.omp | 18 ++++++
...tran_binding.h => ISO_Fortran_binding-1-tmpl.h} | 74 ++++++++++------------
libgfortran/ISO_Fortran_binding-2-tmpl.h | 42 ++++++++++++
libgfortran/ISO_Fortran_binding-3-tmpl.h | 5 ++
libgfortran/Makefile.am | 15 ++++-
libgfortran/Makefile.in | 16 ++++-
libgfortran/mk-kinds-h.sh | 25 ++++++--
libgfortran/runtime/ISO_Fortran_binding.c | 2 +-
8 files changed, 146 insertions(+), 51 deletions(-)
diff --git a/libgfortran/ChangeLog.omp b/libgfortran/ChangeLog.omp
index c0676f979bb..6dd605ca6f8 100644
--- a/libgfortran/ChangeLog.omp
+++ b/libgfortran/ChangeLog.omp
@@ -1,3 +1,21 @@
+2021-08-11 Sandra Loosemore <sandra@codesourcery.com>
+
+ Backported from master:
+
+ 2021-07-22 Sandra Loosemore <sandra@codesourcery.com>
+ Tobias Burnus <tobias@codesourcery.com>
+
+ PR libfortran/101305
+ * ISO_Fortran_binding.h: Fix hard-coded sizes and split into...
+ * ISO_Fortran_binding-1-tmpl.h: New file.
+ * ISO_Fortran_binding-2-tmpl.h: New file.
+ * ISO_Fortran_binding-3-tmpl.h: New file.
+ * Makefile.am: Add rule for generating ISO_Fortran_binding.h.
+ Adjust pathnames to that file.
+ * Makefile.in: Regenerated.
+ * mk-kinds-h.sh: New file.
+ * runtime/ISO_Fortran_binding.c: Fix include path.
+
2021-07-27 Tobias Burnus <tobias@codesourcery.com>
Backported from master:
diff --git a/libgfortran/ISO_Fortran_binding.h b/libgfortran/ISO_Fortran_binding-1-tmpl.h
similarity index 66%
rename from libgfortran/ISO_Fortran_binding.h
rename to libgfortran/ISO_Fortran_binding-1-tmpl.h
index 6c4d461a6e0..8852c9924fe 100644
--- a/libgfortran/ISO_Fortran_binding.h
+++ b/libgfortran/ISO_Fortran_binding-1-tmpl.h
@@ -43,8 +43,8 @@ extern "C" {
#define CFI_attribute_other 2
/* Error codes.
- CFI_INVALID_STRIDE should be defined in the standard because they are useful to the implementation of the functions.
- */
+ Note that CFI_FAILURE and CFI_INVALID_STRIDE are specific to GCC
+ and not part of the Fortran standard */
#define CFI_SUCCESS 0
#define CFI_FAILURE 1
#define CFI_ERROR_BASE_ADDR_NULL 2
@@ -159,48 +159,38 @@ extern int CFI_setpointer (CFI_cdesc_t *, CFI_cdesc_t *, const CFI_index_t []);
#define CFI_type_other -1
/* Types with kind parameter.
- The kind parameter represents the type's byte size. The exception is kind = 10, which has byte size of 64 but 80 bit precision. Complex variables are double the byte size of their real counterparts. The ucs4_char matches wchar_t if sizeof (wchar_t) == 4.
+ The kind parameter represents the type's byte size. The exception is
+ real kind = 10, which has byte size of 128 bits but 80 bit precision.
+ Complex variables are double the byte size of their real counterparts.
+ The ucs4_char matches wchar_t if sizeof (wchar_t) == 4.
*/
#define CFI_type_char (CFI_type_Character + (1 << CFI_type_kind_shift))
#define CFI_type_ucs4_char (CFI_type_Character + (4 << CFI_type_kind_shift))
/* C-Fortran Interoperability types. */
-#define CFI_type_signed_char (CFI_type_Integer + (1 << CFI_type_kind_shift))
-#define CFI_type_short (CFI_type_Integer + (2 << CFI_type_kind_shift))
-#define CFI_type_int (CFI_type_Integer + (4 << CFI_type_kind_shift))
-#define CFI_type_long (CFI_type_Integer + (8 << CFI_type_kind_shift))
-#define CFI_type_long_long (CFI_type_Integer + (8 << CFI_type_kind_shift))
-#define CFI_type_size_t (CFI_type_Integer + (8 << CFI_type_kind_shift))
-#define CFI_type_int8_t (CFI_type_Integer + (1 << CFI_type_kind_shift))
-#define CFI_type_int16_t (CFI_type_Integer + (2 << CFI_type_kind_shift))
-#define CFI_type_int32_t (CFI_type_Integer + (4 << CFI_type_kind_shift))
-#define CFI_type_int64_t (CFI_type_Integer + (8 << CFI_type_kind_shift))
-#define CFI_type_int_least8_t (CFI_type_Integer + (1 << CFI_type_kind_shift))
-#define CFI_type_int_least16_t (CFI_type_Integer + (2 << CFI_type_kind_shift))
-#define CFI_type_int_least32_t (CFI_type_Integer + (4 << CFI_type_kind_shift))
-#define CFI_type_int_least64_t (CFI_type_Integer + (8 << CFI_type_kind_shift))
-#define CFI_type_int_fast8_t (CFI_type_Integer + (1 << CFI_type_kind_shift))
-#define CFI_type_int_fast16_t (CFI_type_Integer + (2 << CFI_type_kind_shift))
-#define CFI_type_int_fast32_t (CFI_type_Integer + (4 << CFI_type_kind_shift))
-#define CFI_type_int_fast64_t (CFI_type_Integer + (8 << CFI_type_kind_shift))
-#define CFI_type_intmax_t (CFI_type_Integer + (8 << CFI_type_kind_shift))
-#define CFI_type_intptr_t (CFI_type_Integer + (8 << CFI_type_kind_shift))
-#define CFI_type_ptrdiff_t (CFI_type_Integer + (8 << CFI_type_kind_shift))
-#define CFI_type_int128_t (CFI_type_Integer + (16 << CFI_type_kind_shift))
-#define CFI_type_int_least128_t (CFI_type_Integer + (16 << CFI_type_kind_shift))
-#define CFI_type_int_fast128_t (CFI_type_Integer + (16 << CFI_type_kind_shift))
-#define CFI_type_Bool (CFI_type_Logical + (1 << CFI_type_kind_shift))
-#define CFI_type_float (CFI_type_Real + (4 << CFI_type_kind_shift))
-#define CFI_type_double (CFI_type_Real + (8 << CFI_type_kind_shift))
-#define CFI_type_long_double (CFI_type_Real + (10 << CFI_type_kind_shift))
-#define CFI_type_float128 (CFI_type_Real + (16 << CFI_type_kind_shift))
-#define CFI_type_float_Complex (CFI_type_Complex + (4 << CFI_type_kind_shift))
-#define CFI_type_double_Complex (CFI_type_Complex + (8 << CFI_type_kind_shift))
-#define CFI_type_long_double_Complex (CFI_type_Complex + (10 << CFI_type_kind_shift))
-#define CFI_type_float128_Complex (CFI_type_Complex + (16 << CFI_type_kind_shift))
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* ISO_FORTRAN_BINDING_H */
+#define CFI_type_signed_char (CFI_type_Integer + (sizeof (char) << CFI_type_kind_shift))
+#define CFI_type_short (CFI_type_Integer + (sizeof (short) << CFI_type_kind_shift))
+#define CFI_type_int (CFI_type_Integer + (sizeof (int) << CFI_type_kind_shift))
+#define CFI_type_long (CFI_type_Integer + (sizeof (long) << CFI_type_kind_shift))
+#define CFI_type_long_long (CFI_type_Integer + (sizeof (long long) << CFI_type_kind_shift))
+#define CFI_type_size_t (CFI_type_Integer + (sizeof (size_t) << CFI_type_kind_shift))
+#define CFI_type_int8_t (CFI_type_Integer + (sizeof (int8_t) << CFI_type_kind_shift))
+#define CFI_type_int16_t (CFI_type_Integer + (sizeof (int16_t) << CFI_type_kind_shift))
+#define CFI_type_int32_t (CFI_type_Integer + (sizeof (int32_t) << CFI_type_kind_shift))
+#define CFI_type_int64_t (CFI_type_Integer + (sizeof (int64_t) << CFI_type_kind_shift))
+#define CFI_type_int_least8_t (CFI_type_Integer + (sizeof (int_least8_t) << CFI_type_kind_shift))
+#define CFI_type_int_least16_t (CFI_type_Integer + (sizeof (int_least16_t) << CFI_type_kind_shift))
+#define CFI_type_int_least32_t (CFI_type_Integer + (sizeof (int_least32_t) << CFI_type_kind_shift))
+#define CFI_type_int_least64_t (CFI_type_Integer + (sizeof (int_least64_t) << CFI_type_kind_shift))
+#define CFI_type_int_fast8_t (CFI_type_Integer + (sizeof (int_fast8_t) << CFI_type_kind_shift))
+#define CFI_type_int_fast16_t (CFI_type_Integer + (sizeof (int_fast16_t) << CFI_type_kind_shift))
+#define CFI_type_int_fast32_t (CFI_type_Integer + (sizeof (int_fast32_t) << CFI_type_kind_shift))
+#define CFI_type_int_fast64_t (CFI_type_Integer + (sizeof (int_fast64_t) << CFI_type_kind_shift))
+#define CFI_type_intmax_t (CFI_type_Integer + (sizeof (intmax_t) << CFI_type_kind_shift))
+#define CFI_type_intptr_t (CFI_type_Integer + (sizeof (intptr_t) << CFI_type_kind_shift))
+#define CFI_type_ptrdiff_t (CFI_type_Integer + (sizeof (ptrdiff_t) << CFI_type_kind_shift))
+#define CFI_type_Bool (CFI_type_Logical + (sizeof (_Bool) << CFI_type_kind_shift))
+#define CFI_type_float (CFI_type_Real + (sizeof (float) << CFI_type_kind_shift))
+#define CFI_type_double (CFI_type_Real + (sizeof (double) << CFI_type_kind_shift))
+#define CFI_type_float_Complex (CFI_type_Complex + (sizeof (float) << CFI_type_kind_shift))
+#define CFI_type_double_Complex (CFI_type_Complex + (sizeof (double) << CFI_type_kind_shift))
diff --git a/libgfortran/ISO_Fortran_binding-2-tmpl.h b/libgfortran/ISO_Fortran_binding-2-tmpl.h
new file mode 100644
index 00000000000..ad88f8b1ad2
--- /dev/null
+++ b/libgfortran/ISO_Fortran_binding-2-tmpl.h
@@ -0,0 +1,42 @@
+#include "config.h"
+#include "kinds.inc"
+
+/* Note that -1 is used by CFI_type_other, hence, -2 is used for unavailable kinds. */
+
+#if GFC_C_INT128_T_KIND == 16
+#define CFI_type_int128_t (CFI_type_Integer + (16 << CFI_type_kind_shift))
+#define CFI_type_int_least128_t (CFI_type_Integer + (16 << CFI_type_kind_shift))
+#define CFI_type_int_fast128_t (CFI_type_Integer + (16 << CFI_type_kind_shift))
+#elif GFC_C_INT128_T_KIND < 0
+#define CFI_type_int128_t -2
+#define CFI_type_int_least128_t -2
+#define CFI_type_int_fast128_t -2
+#else
+#error "Unexpected value for GFC_C_INT128_T_KIND"
+#endif
+
+#if GFC_C_LONG_DOUBLE_KIND == 16
+#define CFI_type_long_double (CFI_type_Real + (16 << CFI_type_kind_shift))
+#define CFI_type_long_double_Complex (CFI_type_Complex + (16 << CFI_type_kind_shift))
+#elif GFC_C_LONG_DOUBLE_KIND == 10
+#define CFI_type_long_double (CFI_type_Real + (10 << CFI_type_kind_shift))
+#define CFI_type_long_double_Complex (CFI_type_Complex + (10 << CFI_type_kind_shift))
+#elif GFC_C_LONG_DOUBLE_KIND == 8
+#define CFI_type_long_double (CFI_type_Real + (8 << CFI_type_kind_shift))
+#define CFI_type_long_double_Complex (CFI_type_Complex + (8 << CFI_type_kind_shift))
+#elif GFC_C_LONG_DOUBLE_KIND < 0
+#define CFI_type_long_double -2
+#define CFI_type_long_double_Complex -2
+#else
+#error "Unexpected value for GFC_C_LONG_DOUBLE_KIND"
+#endif
+
+#if GFC_C_FLOAT128_KIND == 16
+#define CFI_type_float128 (CFI_type_Real + (16 << CFI_type_kind_shift))
+#define CFI_type_float128_Complex (CFI_type_Complex + (16 << CFI_type_kind_shift))
+#elif GFC_C_FLOAT128_KIND < 0
+#define CFI_type_float128 -2
+#define CFI_type_float128_Complex -2
+#else
+#error "Unexpected value for GFC_C_FLOAT128_KIND"
+#endif
diff --git a/libgfortran/ISO_Fortran_binding-3-tmpl.h b/libgfortran/ISO_Fortran_binding-3-tmpl.h
new file mode 100644
index 00000000000..aec4288a604
--- /dev/null
+++ b/libgfortran/ISO_Fortran_binding-3-tmpl.h
@@ -0,0 +1,5 @@
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* ISO_FORTRAN_BINDING_H */
diff --git a/libgfortran/Makefile.am b/libgfortran/Makefile.am
index 61bf05dd40d..3546a3f3711 100644
--- a/libgfortran/Makefile.am
+++ b/libgfortran/Makefile.am
@@ -30,8 +30,8 @@ version_arg =
version_dep =
endif
-gfor_c_HEADERS = $(srcdir)/ISO_Fortran_binding.h
-gfor_cdir = $(libdir)/gcc/$(target_alias)/$(gcc_version)/include
+gfor_c_HEADERS = ISO_Fortran_binding.h
+gfor_cdir = $(libdir)/gcc/$(target_alias)/$(gcc_version)$(MULTISUBDIR)/include
LTLDFLAGS = $(shell $(SHELL) $(top_srcdir)/../libtool-ldflags $(LDFLAGS)) \
$(lt_host_flags)
@@ -817,6 +817,7 @@ gfor_built_src= $(i_all_c) $(i_any_c) $(i_count_c) $(i_maxloc0_c) \
$(i_pow_c) $(i_pack_c) $(i_unpack_c) $(i_matmulavx128_c) \
$(i_spread_c) selected_int_kind.inc selected_real_kind.inc kinds.h \
$(i_cshift0_c) kinds.inc c99_protos.inc fpu-target.h fpu-target.inc \
+ ISO_Fortran_binding.h \
$(i_cshift1a_c) $(i_maxloc0s_c) $(i_minloc0s_c) $(i_maxloc1s_c) \
$(i_minloc1s_c) $(i_maxloc2s_c) $(i_minloc2s_c) $(i_maxvals_c) \
$(i_maxval0s_c) $(i_minval0s_c) $(i_maxval1s_c) $(i_minval1s_c) \
@@ -1075,6 +1076,16 @@ fpu-target.inc: fpu-target.h $(srcdir)/libgfortran.h
grep '^#define GFC_FPE_' < $(top_srcdir)/../gcc/fortran/libgfortran.h > $@ || true
grep '^#define GFC_FPE_' < $(srcdir)/libgfortran.h >> $@ || true
+ISO_Fortran_binding.h: $(srcdir)/ISO_Fortran_binding-1-tmpl.h \
+ $(srcdir)/ISO_Fortran_binding-2-tmpl.h \
+ $(srcdir)/ISO_Fortran_binding-3-tmpl.h \
+ kinds.inc
+ -rm -f $@
+ cp $(srcdir)/ISO_Fortran_binding-1-tmpl.h $@
+ $(COMPILE) -E -dD $(srcdir)/ISO_Fortran_binding-2-tmpl.h \
+ | grep '^#define CFI_type' >> $@
+ cat $(srcdir)/ISO_Fortran_binding-3-tmpl.h >> $@
+
## A 'normal' build shouldn't need to regenerate these
## so we only include them in maintainer mode
diff --git a/libgfortran/Makefile.in b/libgfortran/Makefile.in
index 3d043aaa924..a7d8e11b5e4 100644
--- a/libgfortran/Makefile.in
+++ b/libgfortran/Makefile.in
@@ -698,6 +698,7 @@ pdfdir = @pdfdir@
prefix = @prefix@
program_transform_name = @program_transform_name@
psdir = @psdir@
+runstatedir = @runstatedir@
sbindir = @sbindir@
sharedstatedir = @sharedstatedir@
srcdir = @srcdir@
@@ -723,8 +724,8 @@ gcc_version := $(shell @get_gcc_base_ver@ $(top_srcdir)/../gcc/BASE-VER)
@LIBGFOR_USE_SYMVER_FALSE@version_dep =
@LIBGFOR_USE_SYMVER_GNU_TRUE@@LIBGFOR_USE_SYMVER_TRUE@version_dep = $(srcdir)/gfortran.map
@LIBGFOR_USE_SYMVER_SUN_TRUE@@LIBGFOR_USE_SYMVER_TRUE@version_dep = gfortran.map-sun
-gfor_c_HEADERS = $(srcdir)/ISO_Fortran_binding.h
-gfor_cdir = $(libdir)/gcc/$(target_alias)/$(gcc_version)/include
+gfor_c_HEADERS = ISO_Fortran_binding.h
+gfor_cdir = $(libdir)/gcc/$(target_alias)/$(gcc_version)$(MULTISUBDIR)/include
LTLDFLAGS = $(shell $(SHELL) $(top_srcdir)/../libtool-ldflags $(LDFLAGS)) \
$(lt_host_flags)
@@ -1381,6 +1382,7 @@ gfor_built_src = $(i_all_c) $(i_any_c) $(i_count_c) $(i_maxloc0_c) \
$(i_pow_c) $(i_pack_c) $(i_unpack_c) $(i_matmulavx128_c) \
$(i_spread_c) selected_int_kind.inc selected_real_kind.inc kinds.h \
$(i_cshift0_c) kinds.inc c99_protos.inc fpu-target.h fpu-target.inc \
+ ISO_Fortran_binding.h \
$(i_cshift1a_c) $(i_maxloc0s_c) $(i_minloc0s_c) $(i_maxloc1s_c) \
$(i_minloc1s_c) $(i_maxloc2s_c) $(i_minloc2s_c) $(i_maxvals_c) \
$(i_maxval0s_c) $(i_minval0s_c) $(i_maxval1s_c) $(i_minval1s_c) \
@@ -7040,6 +7042,16 @@ fpu-target.inc: fpu-target.h $(srcdir)/libgfortran.h
grep '^#define GFC_FPE_' < $(top_srcdir)/../gcc/fortran/libgfortran.h > $@ || true
grep '^#define GFC_FPE_' < $(srcdir)/libgfortran.h >> $@ || true
+ISO_Fortran_binding.h: $(srcdir)/ISO_Fortran_binding-1-tmpl.h \
+ $(srcdir)/ISO_Fortran_binding-2-tmpl.h \
+ $(srcdir)/ISO_Fortran_binding-3-tmpl.h \
+ kinds.inc
+ -rm -f $@
+ cp $(srcdir)/ISO_Fortran_binding-1-tmpl.h $@
+ $(COMPILE) -E -dD $(srcdir)/ISO_Fortran_binding-2-tmpl.h \
+ | grep '^#define CFI_type' >> $@
+ cat $(srcdir)/ISO_Fortran_binding-3-tmpl.h >> $@
+
@MAINTAINER_MODE_TRUE@$(i_all_c): m4/all.m4 $(I_M4_DEPS2)
@MAINTAINER_MODE_TRUE@ $(M4) -Dfile=$@ -I$(srcdir)/m4 all.m4 > $@
diff --git a/libgfortran/mk-kinds-h.sh b/libgfortran/mk-kinds-h.sh
index 249619061c6..f4244f006d5 100755
--- a/libgfortran/mk-kinds-h.sh
+++ b/libgfortran/mk-kinds-h.sh
@@ -35,8 +35,8 @@ for k in $possible_integer_kinds; do
echo "typedef ${prefix}int${s}_t GFC_INTEGER_${k};"
echo "typedef ${prefix}uint${s}_t GFC_UINTEGER_${k};"
echo "typedef GFC_INTEGER_${k} GFC_LOGICAL_${k};"
- echo "#define HAVE_GFC_LOGICAL_${k}"
- echo "#define HAVE_GFC_INTEGER_${k}"
+ echo "#define HAVE_GFC_LOGICAL_${k} 1"
+ echo "#define HAVE_GFC_INTEGER_${k} 1"
echo ""
fi
rm -f tmp$$.*
@@ -98,8 +98,8 @@ for k in $possible_real_kinds; do
# Output the information we've gathered
echo "typedef ${ctype} GFC_REAL_${k};"
echo "typedef ${cplxtype} GFC_COMPLEX_${k};"
- echo "#define HAVE_GFC_REAL_${k}"
- echo "#define HAVE_GFC_COMPLEX_${k}"
+ echo "#define HAVE_GFC_REAL_${k} 1"
+ echo "#define HAVE_GFC_COMPLEX_${k} 1"
echo "#define GFC_REAL_${k}_HUGE ${huge}${suffix}"
echo "#define GFC_REAL_${k}_LITERAL_SUFFIX ${suffix}"
if [ "x$suffix" = "x" ]; then
@@ -114,6 +114,23 @@ for k in $possible_real_kinds; do
rm -f tmp$$.*
done
+# For ISO_Fortran_binding.h
+for k in "C_LONG_DOUBLE" "C_FLOAT128" "C_INT128_T"; do
+ fname="tmp$$.val"
+ echo "use iso_c_binding, only: $k; end" > tmp$$.f90
+ if $compile -S -fdump-parse-tree tmp$$.f90 > "$fname"; then
+ kind=`grep "value:" "$fname" |grep value: | sed -e 's/.*value: *//'`
+ if [ "x$kind" = "x" ]; then
+ echo "ERROR: Failed to extract kind for $k" 1>&2
+ exit 1
+ fi
+ echo "#define GFC_${k}_KIND ${kind}"
+ else
+ echo "ERROR: Failed to extract kind for $k" 1>&2
+ exit 1
+ fi
+ rm -f tmp$$.*
+done
# After this, we include a header that can override some of the
# autodetected settings.
diff --git a/libgfortran/runtime/ISO_Fortran_binding.c b/libgfortran/runtime/ISO_Fortran_binding.c
index 95e9b940f8e..9c871d3e989 100644
--- a/libgfortran/runtime/ISO_Fortran_binding.c
+++ b/libgfortran/runtime/ISO_Fortran_binding.c
@@ -27,7 +27,7 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
<http://www.gnu.org/licenses/>. */
#include "libgfortran.h"
-#include <ISO_Fortran_binding.h>
+#include "ISO_Fortran_binding.h"
#include <string.h>
extern void cfi_desc_to_gfc_desc (gfc_array_void *, CFI_cdesc_t **);
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