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frr: fix host build error on macOS

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Fixes:
lib/command_graph.c:16:1: error: argument to 'section' attribute is not valid for this target: mach-o section specifier requires a segment and section separated by a comma DEFINE_MTYPE_STATIC(LIB, CMD_TOKENS, "Command Tokens"); ^
./lib/memory.h:139:2: note: expanded from macro 'DEFINE_MTYPE_STATIC'
        DEFINE_MTYPE_ATTR(group, name, static, desc)                           \
        ^
./lib/memory.h:109:26: note: expanded from macro 'DEFINE_MTYPE_ATTR'
                __attribute__((section(".data.mtypes"))) = { {                 \

[1] https://github.com/FRRouting/frr/pull/6032
[2] https://github.com/FRRouting/frr/pull/15890

Signed-off-by: Georgi Valkov <gvalkov@gmail.com>
This commit is contained in:
Georgi Valkov
2024-04-30 17:37:11 +03:00
committed by Robert Marko
parent 80435f0c51
commit 6b7d905a3a
2 changed files with 86 additions and 1 deletions
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85
net/frr/patches/998-lib-fix-error-on-MacOS.patch Normal file
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@@ -0,0 +1,85 @@
From ad26e0926d1fa20bfdd9b5f63cec4db9837f880a Mon Sep 17 00:00:00 2001
From: Ruben Kerkhof <ruben@rubenkerkhof.com>
Date: Wed, 18 Mar 2020 15:40:39 +0100
Subject: [PATCH] lib: fix error on MacOS
Sections use a different syntax for Mach-O executables.
Fixes:
lib/bfd.c:35:1: error: argument to 'section' attribute is not valid for this target: mach-o section specifier requires a segment and section separated by a
comma
DEFINE_MTYPE_STATIC(LIB, BFD_INFO, "BFD info")
^
./lib/memory.h:140:2: note: expanded from macro 'DEFINE_MTYPE_STATIC'
DEFINE_MTYPE_ATTR(group, name, static, desc) \
^
./lib/memory.h:110:26: note: expanded from macro 'DEFINE_MTYPE_ATTR'
__attribute__((section(".data.mtypes"))) = { { \
^
1 error generated.
Signed-off-by: Ruben Kerkhof <ruben@rubenkerkhof.com>
Signed-off-by: Georgi Valkov <gvalkov@gmail.com>
---
lib/memory.h | 43 +++++++++++++++++++++++++++----------------
1 file changed, 27 insertions(+), 16 deletions(-)
--- a/lib/compiler.h
+++ b/lib/compiler.h
@@ -447,6 +447,12 @@ _Static_assert(sizeof(_uint64_t) == 8 &&
#define unlikely(_x) !!(_x)
#endif
+#ifdef __MACH__
+#define _DATA_SECTION(name) __attribute__((section("__DATA," name)))
+#else
+#define _DATA_SECTION(name) __attribute__((section(".data." name)))
+#endif
+
#ifdef __cplusplus
}
#endif
--- a/lib/memory.h
+++ b/lib/memory.h
@@ -69,14 +69,12 @@ struct memgroup {
#define DECLARE_MGROUP(name) extern struct memgroup _mg_##name
#define _DEFINE_MGROUP(mname, desc, ...) \
- struct memgroup _mg_##mname \
- __attribute__((section(".data.mgroups"))) = { \
- .name = desc, \
- .types = NULL, \
- .next = NULL, \
- .insert = NULL, \
- .ref = NULL, \
- __VA_ARGS__ \
+ struct memgroup _mg_##mname _DATA_SECTION("mgroups") = { \
+ .name = desc, \
+ .types = NULL, \
+ .next = NULL, \
+ .insert = NULL, \
+ .ref = NULL, \
}; \
static void _mginit_##mname(void) __attribute__((_CONSTRUCTOR(1000))); \
static void _mginit_##mname(void) \
@@ -105,13 +103,12 @@ struct memgroup {
/* end */
#define DEFINE_MTYPE_ATTR(group, mname, attr, desc) \
- attr struct memtype MTYPE_##mname[1] \
- __attribute__((section(".data.mtypes"))) = { { \
- .name = desc, \
- .next = NULL, \
- .n_alloc = 0, \
- .size = 0, \
- .ref = NULL, \
+ attr struct memtype MTYPE_##mname[1] _DATA_SECTION("mtypes") = { { \
+ .name = desc, \
+ .next = NULL, \
+ .n_alloc = 0, \
+ .size = 0, \
+ .ref = NULL, \
} }; \
static void _mtinit_##mname(void) __attribute__((_CONSTRUCTOR(1001))); \
static void _mtinit_##mname(void) \