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b5efbd50de
nixpkgs/pkgs/development/libraries/libelf/preprocessor-warnings.patch

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libelf: Add patch to prevent -Wundef warnings. The Linux kernel includes libelf headers with -Wundef and -Werror enabled, resulting in an error when the headers are found through -I as opposed to -isystem. Fixes https://github.com/NixOS/nixpkgs/issues/59929
2019-06-15 17:52:00 +01:00
diff --git a/lib/elf_repl.h b/lib/elf_repl.h
index c5cf90f..7e1e8df 100644
--- a/lib/elf_repl.h
+++ b/lib/elf_repl.h
@@ -45,7 +45,7 @@ typedef __libelf_u32_t Elf32_Word;
#define ELF32_FSZ_SWORD 4
#define ELF32_FSZ_WORD 4
-#if __LIBELF64
+#if defined(__LIBELF64)
typedef __libelf_u64_t Elf64_Addr;
typedef __libelf_u16_t Elf64_Half;
@@ -93,7 +93,7 @@ typedef struct {
Elf32_Half e_shstrndx;
} Elf32_Ehdr;
-#if __LIBELF64
+#if defined(__LIBELF64)
typedef struct {
unsigned char e_ident[EI_NIDENT];
Elf64_Half e_type;
@@ -307,7 +307,7 @@ typedef struct {
Elf32_Word sh_entsize;
} Elf32_Shdr;
-#if __LIBELF64
+#if defined(__LIBELF64)
typedef struct {
Elf64_Word sh_name;
Elf64_Word sh_type;
@@ -434,7 +434,7 @@ typedef struct {
Elf32_Half st_shndx;
} Elf32_Sym;
-#if __LIBELF64
+#if defined(__LIBELF64)
typedef struct {
Elf64_Word st_name;
unsigned char st_info;
@@ -457,7 +457,7 @@ typedef struct {
#define ELF32_ST_TYPE(i) ((i)&0xf)
#define ELF32_ST_INFO(b,t) (((b)<<4)+((t)&0xf))
-#if __LIBELF64
+#if defined(__LIBELF64)
#define ELF64_ST_BIND(i) ((i)>>4)
#define ELF64_ST_TYPE(i) ((i)&0xf)
#define ELF64_ST_INFO(b,t) (((b)<<4)+((t)&0xf))
@@ -495,7 +495,7 @@ typedef struct {
* Macros for manipulating st_other
*/
#define ELF32_ST_VISIBILITY(o) ((o)&0x3)
-#if __LIBELF64
+#if defined(__LIBELF64)
#define ELF64_ST_VISIBILITY(o) ((o)&0x3)
#endif /* __LIBELF64 */
@@ -521,7 +521,7 @@ typedef struct {
Elf32_Sword r_addend;
} Elf32_Rela;
-#if __LIBELF64
+#if defined(__LIBELF64)
typedef struct {
Elf64_Addr r_offset;
Elf64_Xword r_info;
@@ -541,7 +541,7 @@ typedef struct {
#define ELF32_R_TYPE(i) ((unsigned char)(i))
#define ELF32_R_INFO(s,t) (((s)<<8)+(unsigned char)(t))
-#if __LIBELF64
+#if defined(__LIBELF64)
#define ELF64_R_SYM(i) ((Elf64_Xword)(i)>>32)
#define ELF64_R_TYPE(i) ((i)&0xffffffffL)
#define ELF64_R_INFO(s,t) (((Elf64_Xword)(s)<<32)+((t)&0xffffffffL))
@@ -556,7 +556,7 @@ typedef struct {
Elf32_Word n_type; /* descriptor type */
} Elf32_Nhdr;
-#if __LIBELF64
+#if defined(__LIBELF64)
/* Solaris and GNU use this layout. Be compatible. */
/* XXX: Latest ELF specs say it's 64-bit!!! */
typedef struct {
@@ -587,7 +587,7 @@ typedef struct {
Elf32_Word p_align;
} Elf32_Phdr;
-#if __LIBELF64
+#if defined(__LIBELF64)
typedef struct {
Elf64_Word p_type;
Elf64_Word p_flags;
@@ -654,7 +654,7 @@ typedef struct {
} d_un;
} Elf32_Dyn;
-#if __LIBELF64
+#if defined(__LIBELF64)
typedef struct {
Elf64_Sxword d_tag;
union {
@@ -798,7 +798,7 @@ typedef struct {
Elf32_Half si_flags;
} Elf32_Syminfo;
-#if __LIBELF64
+#if defined(__LIBELF64)
typedef struct {
Elf64_Half si_boundto;
Elf64_Half si_flags;
@@ -863,7 +863,7 @@ typedef struct {
typedef Elf32_Half Elf32_Versym;
-#if __LIBELF64
+#if defined(__LIBELF64)
typedef struct {
Elf64_Half vd_version;
@@ -933,7 +933,7 @@ typedef Elf64_Half Elf64_Versym;
/*
* Move section
*/
-#if __LIBELF64
+#if defined(__LIBELF64)
typedef struct {
Elf32_Lword m_value;
@@ -973,7 +973,7 @@ typedef struct {
} c_un;
} Elf32_Cap;
-#if __LIBELF64
+#if defined(__LIBELF64)
typedef struct {
Elf64_Xword c_tag;
diff --git a/lib/gelf.h b/lib/gelf.h
index 5af0558..98a759c 100644
--- a/lib/gelf.h
+++ b/lib/gelf.h
@@ -22,15 +22,15 @@
#ifndef _GELF_H
#define _GELF_H
-#if __LIBELF_INTERNAL__
+#if defined(__LIBELF_INTERNAL__)
#include <libelf.h>
#else /* __LIBELF_INTERNAL__ */
#include <libelf/libelf.h>
#endif /* __LIBELF_INTERNAL__ */
-#if __LIBELF_NEED_LINK_H
+#if defined(__LIBELF_NEED_LINK_H)
#include <link.h>
-#elif __LIBELF_NEED_SYS_LINK_H
+#elif defined(__LIBELF_NEED_SYS_LINK_H)
#include <sys/link.h>
#endif /* __LIBELF_NEED_LINK_H */
@@ -46,7 +46,7 @@ extern "C" {
# endif /* __STDC__ || defined(__cplusplus) */
#endif /* __P */
-#if !__LIBELF64
+#if !defined(__LIBELF64)
#error "GElf is not supported on this system."
@@ -71,7 +71,7 @@ typedef Elf64_Sym GElf_Sym;
/*
* Symbol versioning
*/
-#if __LIBELF_SYMBOL_VERSIONS
+#if defined(__LIBELF_SYMBOL_VERSIONS)
typedef Elf64_Verdef GElf_Verdef;
typedef Elf64_Verneed GElf_Verneed;
typedef Elf64_Verdaux GElf_Verdaux;
diff --git a/lib/libelf.h b/lib/libelf.h
index 3ebd0f3..788482d 100644
--- a/lib/libelf.h
+++ b/lib/libelf.h
@@ -25,7 +25,7 @@
#include <stddef.h> /* for size_t */
#include <sys/types.h>
-#if __LIBELF_INTERNAL__
+#if defined(__LIBELF_INTERNAL__)
#include <sys_elf.h>
#else /* __LIBELF_INTERNAL__ */
#include <libelf/sys_elf.h>
@@ -224,7 +224,7 @@ extern Elf_Data *elf32_xlatetom __P((Elf_Data *__dst, const Elf_Data *__src,
*/
extern long elf32_checksum __P((Elf *__elf));
-#if __LIBELF64
+#if defined(__LIBELF64)
/*
* 64-bit ELF functions
* Not available on all platforms
diff --git a/lib/sys_elf.h.in b/lib/sys_elf.h.in
index b71a20d..722051b 100644
--- a/lib/sys_elf.h.in
+++ b/lib/sys_elf.h.in
@@ -68,7 +68,7 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
#ifdef __LIBELF_HEADER_ELF_H
# include __LIBELF_HEADER_ELF_H
#else /* __LIBELF_HEADER_ELF_H */
-# if __LIBELF_INTERNAL__
+# if defined(__LIBELF_INTERNAL__)
# include <elf_repl.h>
# else /* __LIBELF_INTERNAL__ */
# include <libelf/elf_repl.h>
@@ -92,7 +92,7 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
# define STN_UNDEF 0
# endif /* STN_UNDEF */
-# if __LIBELF64
+# if defined(__LIBELF64)
# ifndef ELF64_FSZ_ADDR
# define ELF64_FSZ_ADDR 8
@@ -116,7 +116,7 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
# define ELF64_R_INFO(s,t) (((Elf64_Xword)(s)<<32)+((t)&0xffffffffL))
# endif /* ELF64_R_SYM */
-# if __LIBELF64_LINUX
+# if defined(__LIBELF64_LINUX)
typedef __libelf_u64_t Elf64_Addr;
typedef __libelf_u16_t Elf64_Half;
typedef __libelf_u64_t Elf64_Off;
diff --git a/lib/sys_elf.h.w32 b/lib/sys_elf.h.w32
index 0f93c55..7360104 100644
--- a/lib/sys_elf.h.w32
+++ b/lib/sys_elf.h.w32
@@ -68,7 +68,7 @@
#ifdef __LIBELF_HEADER_ELF_H
# include __LIBELF_HEADER_ELF_H
#else /* __LIBELF_HEADER_ELF_H */
-# if __LIBELF_INTERNAL__
+# if defined(__LIBELF_INTERNAL__)
# include <elf_repl.h>
# else /* __LIBELF_INTERNAL__ */
# include <libelf/elf_repl.h>
@@ -92,7 +92,7 @@
# define STN_UNDEF 0
# endif /* STN_UNDEF */
-# if __LIBELF64
+# if defined(__LIBELF64)
# ifndef ELF64_FSZ_ADDR
# define ELF64_FSZ_ADDR 8
@@ -116,7 +116,7 @@
# define ELF64_R_INFO(s,t) (((Elf64_Xword)(s)<<32)+((t)&0xffffffffL))
# endif /* ELF64_R_SYM */
-# if __LIBELF64_LINUX
+# if defined(__LIBELF64_LINUX)
typedef __libelf_u64_t Elf64_Addr;
typedef __libelf_u16_t Elf64_Half;
typedef __libelf_u64_t Elf64_Off;
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