From 51ff0102842ab586e39b2b2c479ff03c10dbf793 Mon Sep 17 00:00:00 2001
From: Zach van Rijn <me@zv.io>
Date: Thu, 26 May 2022 22:08:50 -0500
Subject: user/nettle: add ppc64 patch. fixes #698.

---
 user/nettle/ppc64.patch | 95 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 95 insertions(+)
 create mode 100644 user/nettle/ppc64.patch

(limited to 'user/nettle/ppc64.patch')

diff --git a/user/nettle/ppc64.patch b/user/nettle/ppc64.patch
new file mode 100644
index 000000000..d13a2ec88
--- /dev/null
+++ b/user/nettle/ppc64.patch
@@ -0,0 +1,95 @@
+From c7cf19390dcb0e9792fc23b0c935c1fe5e4f91e1 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Niels=20M=C3=B6ller?= <nisse@lysator.liu.se>
+Date: Tue, 4 Jan 2022 20:37:27 +0100
+Subject: [PATCH] ppc: New configure test for ELFV2_ABI
+
+---
+ ChangeLog            |  9 +++++++++
+ config.m4.in         |  1 +
+ configure.ac         | 14 +++++++++++++-
+ powerpc64/machine.m4 |  4 ++--
+ 4 files changed, 25 insertions(+), 3 deletions(-)
+
+diff --git a/config.m4.in b/config.m4.in
+index d89325b8..b98a5817 100644
+--- a/config.m4.in
++++ b/config.m4.in
+@@ -5,6 +5,7 @@ define(`COFF_STYLE', `@ASM_COFF_STYLE@')dnl
+ define(`TYPE_FUNCTION', `@ASM_TYPE_FUNCTION@')dnl
+ define(`TYPE_PROGBITS', `@ASM_TYPE_PROGBITS@')dnl
+ define(`ALIGN_LOG', `@ASM_ALIGN_LOG@')dnl
++define(`ELFV2_ABI', `@ELFV2_ABI@')dnl
+ define(`W64_ABI', `@W64_ABI@')dnl
+ define(`RODATA', `@ASM_RODATA@')dnl
+ define(`WORDS_BIGENDIAN', `@ASM_WORDS_BIGENDIAN@')dnl
+diff --git a/configure.ac b/configure.ac
+index 54df43ec..da72f908 100644
+--- a/configure.ac
++++ b/configure.ac
+@@ -311,6 +311,9 @@ AC_SUBST([GMP_NUMB_BITS])
+ # Figure out ABI. Currently, configurable only by setting CFLAGS.
+ ABI=standard
+ 
++ELFV2_ABI=no # For powerpc64
++W64_ABI=no   # For x86_64 windows
++
+ case "$host_cpu" in
+   [x86_64 | amd64])
+     AC_TRY_COMPILE([
+@@ -355,6 +358,15 @@ case "$host_cpu" in
+     ], [
+       ABI=64
+     ])
++    if test "$ABI" = 64 ; then
++      AC_TRY_COMPILE([
++#if _CALL_ELF == 2
++#error ELFv2 ABI
++#endif
++      ], [], [], [
++	ELFV2_ABI=yes
++      ])
++    fi
+     ;;
+   aarch64*)
+     AC_TRY_COMPILE([
+@@ -756,7 +768,6 @@ IF_DLL='#'
+ LIBNETTLE_FILE_SRC='$(LIBNETTLE_FORLINK)'
+ LIBHOGWEED_FILE_SRC='$(LIBHOGWEED_FORLINK)'
+ EMULATOR=''
+-W64_ABI=no
+ 
+ case "$host_os" in
+   mingw32*|cygwin*)
+@@ -1037,6 +1048,7 @@ AC_SUBST(ASM_TYPE_FUNCTION)
+ AC_SUBST(ASM_TYPE_PROGBITS)
+ AC_SUBST(ASM_MARK_NOEXEC_STACK)
+ AC_SUBST(ASM_ALIGN_LOG)
++AC_SUBST(ELFV2_ABI)
+ AC_SUBST(W64_ABI)
+ AC_SUBST(ASM_WORDS_BIGENDIAN)
+ AC_SUBST(EMULATOR)
+diff --git a/powerpc64/machine.m4 b/powerpc64/machine.m4
+index 187a49b8..b59f0863 100644
+--- a/powerpc64/machine.m4
++++ b/powerpc64/machine.m4
+@@ -1,7 +1,7 @@
+ define(`PROLOGUE',
+ `.globl C_NAME($1)
+ DECLARE_FUNC(C_NAME($1))
+-ifelse(WORDS_BIGENDIAN,no,
++ifelse(ELFV2_ABI,yes,
+ `ifdef(`FUNC_ALIGN',`.align FUNC_ALIGN')
+ C_NAME($1):
+ addis 2,12,(.TOC.-C_NAME($1))@ha
+@@ -17,7 +17,7 @@ ifdef(`FUNC_ALIGN',`.align FUNC_ALIGN')
+ undefine(`FUNC_ALIGN')')
+ 
+ define(`EPILOGUE',
+-`ifelse(WORDS_BIGENDIAN,no,
++`ifelse(ELFV2_ABI,yes,
+ `.size C_NAME($1), . - C_NAME($1)',
+ `.size .C_NAME($1), . - .C_NAME($1)
+ .size C_NAME($1), . - .C_NAME($1)')')
+-- 
+GitLab
+
-- 
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