Index: configure.ac
--- configure.ac.orig
+++ configure.ac
@@ -1099,16 +1099,16 @@ case $php_sapi_module in
     fi
     case $with_pic in
       yes)
-        standard_libtool_flag='-prefer-pic'
+        standard_libtool_flag=''
         ;;
       no)
-        standard_libtool_flag='-prefer-non-pic'
+        standard_libtool_flag=''
         ;;
     esac
     EXTRA_LDFLAGS="$EXTRA_LDFLAGS -avoid-version -module"
     ;;
   *[)]
-    standard_libtool_flag='-prefer-non-pic -static'
+    standard_libtool_flag=''
     if test -z "$PHP_MODULES" && test -z "$PHP_ZEND_EX"; then
       enable_shared=no
     fi
@@ -1182,6 +1182,7 @@ AS_CASE([$host_cpu],
   [loongarch64*], [fiber_cpu="loongarch64"],
   [mips64*], [fiber_cpu="mips64"],
   [mips*], [fiber_cpu="mips32"],
+  [sparc64], [fiber_cpu="sparc64"],
   [fiber_cpu="unknown"]
 )
 
@@ -1206,6 +1207,7 @@ AS_CASE([$fiber_cpu],
   [loongarch64], [fiber_asm_file_prefix="loongarch64_sysv"],
   [mips64], [fiber_asm_file_prefix="mips64_n64"],
   [mips32], [fiber_asm_file_prefix="mips32_o32"],
+  [sparc64], [fiber_asm_file_prefix="sparc64_sysv"],
   [fiber_asm_file_prefix="unknown"]
 )
 
@@ -1357,7 +1359,7 @@ EXPANDED_SYSCONFDIR=$(eval echo $sysconfdir)
 EXPANDED_DATADIR=$datadir
 EXPANDED_PHP_CONFIG_FILE_PATH=$(eval echo "$PHP_CONFIG_FILE_PATH")
 EXPANDED_PHP_CONFIG_FILE_SCAN_DIR=$(eval echo "$PHP_CONFIG_FILE_SCAN_DIR")
-INCLUDE_PATH=.:$EXPANDED_PEAR_INSTALLDIR
+INCLUDE_PATH=.:$libdir
 
 exec_prefix=$old_exec_prefix
 libdir=$old_libdir
