mariadb: fix build on powerpc

databases/mariadb/Portfile

@@ -12,7 +12,6 @@ set version_branch  [join [lrange [split ${version} .] 0 1] .]
 set revision_client 0
 set revision_server 0
 categories          databases
-platforms           darwin
 license             GPL-2
 maintainers         {michaelld @michaelld} openmaintainer
 homepage            https://mariadb.org/
@@ -46,7 +45,8 @@ if {$subport eq $name} {
     patch.pre_args-replace  -p0 -p1
     patchfiles          patch-cmake-install_layout.cmake.diff \
                         patch-CMakeLists.txt.diff \
-                        patch-mariadb-Ventura-and-arm64.diff
+                        patch-mariadb-Ventura-and-arm64.diff \
+                        patch-powerpc.diff
 
     checksums           rmd160 c1df56d5c9ae118693e721aefb18fb19277bf5c0 \
                         sha256 23ff96db2215d3d2eb8697488719153c83ac4d131f504ae397f43c14c6d91ba3 \
@@ -83,6 +83,12 @@ if {$subport eq $name} {
             ${worksrcpath}/cmake/libutils.cmake
     }
 
+    # Consider installing them to enable more features from this software.
+    # C++11 enabled compiler  <http://www.open-std.org/jtc1/sc22/wg21/>
+    # REQUIRED: You need a more modern compiler in order to build the Activity Manager daemon
+    # Moreover, a newer GCC is needed for atomics support.
+    compiler.cxx_standard   2011
+
     configure.args-delete \
                         -DCMAKE_INSTALL_NAME_DIR=${prefix}/lib
     configure.args-append \

databases/mariadb/files/patch-powerpc.diff

@@ -0,0 +1,97 @@
+--- a/include/my_cpu.h	2020-05-06 18:54:21.000000000 +0800
++++ b/include/my_cpu.h	2024-05-24 14:50:49.000000000 +0800
+@@ -34,6 +34,19 @@
+ #define HMT_medium_high() asm volatile("or 5,5,5")
+ /* High priority */
+ #define HMT_high() asm volatile("or 3,3,3")
++#elif defined(__POWERPC__)
++/* Very low priority */
++#define HMT_very_low() asm volatile("or r31,r31,r31")
++/* Low priority */
++#define HMT_low() asm volatile("or r1,r1,r1")
++/* Medium low priority */
++#define HMT_medium_low() asm volatile("or r6,r6,r6")
++/* Medium priority */
++#define HMT_medium() asm volatile("or r2,r2,r2")
++/* Medium high priority */
++#define HMT_medium_high() asm volatile("or r5,r5,r5")
++/* High priority */
++#define HMT_high() asm volatile("or r3,r3,r3")
+ #else
+ #define HMT_very_low()
+ #define HMT_low()
+
+--- a/packaging/rpm-oel/my_config.h	2020-05-06 18:54:22.000000000 +0800
++++ b/packaging/rpm-oel/my_config.h	2024-05-24 14:53:59.000000000 +0800
+@@ -11,9 +11,9 @@
+ #include "my_config_i386.h"
+ #elif defined(__ia64__)
+ #include "my_config_ia64.h"
+-#elif defined(__powerpc__)
++#elif defined(__powerpc__) || defined(__ppc__)
+ #include "my_config_ppc.h"
+-#elif defined(__powerpc64__)
++#elif defined(__powerpc64__) || defined(__ppc64__)
+ #include "my_config_ppc64.h"
+ #elif defined(__s390x__)
+ #include "my_config_s390x.h"
+
+--- a/storage/innobase/os/os0sync.c	2020-05-06 18:54:22.000000000 +0800
++++ b/storage/innobase/os/os0sync.c	2024-05-24 14:56:58.000000000 +0800
+@@ -900,7 +900,7 @@
+ 	LeaveCriticalSection(fast_mutex);
+ #else
+ 	pthread_mutex_unlock(fast_mutex);
+-#ifdef __powerpc__
++#if defined(__powerpc__) || defined(__POWERPC__)
+ 	os_mb;
+ #endif
+ #endif
+
+--- a/storage/innobase/sync/sync0sync.c	2020-05-06 18:54:22.000000000 +0800
++++ b/storage/innobase/sync/sync0sync.c	2024-05-24 14:57:41.000000000 +0800
+@@ -594,7 +594,7 @@
+ 	mutex_set_waiters(mutex, 1);
+ 
+ 	/* Make sure waiters store won't pass over mutex_test_and_set */
+-#ifdef __powerpc__
++#if defined(__powerpc__) || defined(__POWERPC__)
+ 	os_mb;
+ #endif
+ 
+
+--- a/storage/xtradb/include/os0sync.h	2020-05-06 18:54:23.000000000 +0800
++++ b/storage/xtradb/include/os0sync.h	2024-05-24 14:58:17.000000000 +0800
+@@ -345,7 +345,7 @@
+ /**********************************************************//**
+ Returns the old value of *ptr, atomically sets *ptr to new_val */
+ 
+-#if defined(__powerpc__) || defined(__aarch64__)
++#if defined(__powerpc__) || defined(__POWERPC__) || defined(__aarch64__)
+ /*
+   os_atomic_test_and_set_byte_release() should imply a release barrier before
+   setting, and a full barrier after. But __sync_lock_test_and_set() is only
+
+--- a/storage/xtradb/os/os0sync.c	2020-05-06 18:54:23.000000000 +0800
++++ b/storage/xtradb/os/os0sync.c	2024-05-24 14:59:35.000000000 +0800
+@@ -882,7 +882,7 @@
+ 	LeaveCriticalSection(fast_mutex);
+ #else
+ 	pthread_mutex_unlock(fast_mutex);
+-#ifdef __powerpc__
++#if defined(__powerpc__) || defined(__POWERPC__)
+ 	os_mb;
+ #endif
+ #endif
+
+--- a/storage/xtradb/sync/sync0sync.c	2020-05-06 18:54:23.000000000 +0800
++++ b/storage/xtradb/sync/sync0sync.c	2024-05-24 15:00:05.000000000 +0800
+@@ -589,7 +589,7 @@
+ 	mutex_set_waiters(mutex, 1);
+ 
+ 	/* Make sure waiters store won't pass over mutex_test_and_set */
+-#ifdef __powerpc__
++#if defined(__powerpc__) || defined(__POWERPC__)
+ 	os_mb;
+ #endif
+