Autotools: Sync CS in fpm SAPI (php#15412)

- AS_* macros used
- obsolete backticks replaced with $(...)
- redundant double quotes removed

Author: petk

sapi/fpm/config.m4

@@ -486,24 +486,24 @@ if test "$PHP_FPM" != "no"; then
   ])
 
   if test -z "$PHP_FPM_USER" || test "$PHP_FPM_USER" = "yes" || test "$PHP_FPM_USER" = "no"; then
-    php_fpm_user="nobody"
+    php_fpm_user=nobody
   else
-    php_fpm_user="$PHP_FPM_USER"
+    php_fpm_user=$PHP_FPM_USER
   fi
 
   if test -z "$PHP_FPM_GROUP" || test "$PHP_FPM_GROUP" = "yes" || test "$PHP_FPM_GROUP" = "no"; then
-    php_fpm_group="nobody"
+    php_fpm_group=nobody
   else
-    php_fpm_group="$PHP_FPM_GROUP"
+    php_fpm_group=$PHP_FPM_GROUP
   fi
 
   AC_SUBST([php_fpm_user])
   AC_SUBST([php_fpm_group])
-  php_fpm_sysconfdir=`eval echo $sysconfdir`
+  php_fpm_sysconfdir=$(eval echo $sysconfdir)
   AC_SUBST([php_fpm_sysconfdir])
-  php_fpm_localstatedir=`eval echo $localstatedir`
+  php_fpm_localstatedir=$(eval echo $localstatedir)
   AC_SUBST([php_fpm_localstatedir])
-  php_fpm_prefix=`eval echo $prefix`
+  php_fpm_prefix=$(eval echo $prefix)
   AC_SUBST([php_fpm_prefix])
 
   PHP_ADD_BUILD_DIR([sapi/fpm/fpm])
@@ -560,17 +560,15 @@ if test "$PHP_FPM" != "no"; then
     [$PHP_FPM_FILES $PHP_FPM_TRACE_FILES $PHP_FPM_SD_FILES],
     [$PHP_FPM_CFLAGS])
 
-  case $host_alias in
-      *aix*)
-        BUILD_FPM="echo '\#! .' > php.sym && echo >>php.sym && nm -BCpg \`echo \$(PHP_GLOBAL_OBJS) \$(PHP_BINARY_OBJS) \$(PHP_FPM_OBJS) | sed 's/\([A-Za-z0-9_]*\)\.lo/\1.o/g'\` | \$(AWK) '{ if (((\$\$2 == \"T\") || (\$\$2 == \"D\") || (\$\$2 == \"B\")) && (substr(\$\$3,1,1) != \".\")) { print \$\$3 } }' | sort -u >> php.sym && \$(LIBTOOL) --tag=CC --mode=link \$(CC) -export-dynamic \$(CFLAGS_CLEAN) \$(EXTRA_CFLAGS) \$(EXTRA_LDFLAGS_PROGRAM) \$(LDFLAGS) -Wl,-brtl -Wl,-bE:php.sym \$(PHP_RPATHS) \$(PHP_GLOBAL_OBJS) \$(PHP_BINARY_OBJS) \$(PHP_FASTCGI_OBJS) \$(PHP_FPM_OBJS) \$(EXTRA_LIBS) \$(FPM_EXTRA_LIBS) \$(ZEND_EXTRA_LIBS) -o \$(SAPI_FPM_PATH)"
-        ;;
-      *darwin*)
-        BUILD_FPM="\$(CC) \$(CFLAGS_CLEAN) \$(EXTRA_CFLAGS) \$(EXTRA_LDFLAGS_PROGRAM) \$(LDFLAGS) \$(NATIVE_RPATHS) \$(PHP_GLOBAL_OBJS:.lo=.o) \$(PHP_BINARY_OBJS:.lo=.o) \$(PHP_FASTCGI_OBJS:.lo=.o) \$(PHP_FPM_OBJS:.lo=.o) \$(PHP_FRAMEWORKS) \$(EXTRA_LIBS) \$(FPM_EXTRA_LIBS) \$(ZEND_EXTRA_LIBS) -o \$(SAPI_FPM_PATH)"
-      ;;
-      *)
-        BUILD_FPM="\$(LIBTOOL) --tag=CC --mode=link \$(CC) -export-dynamic \$(CFLAGS_CLEAN) \$(EXTRA_CFLAGS) \$(EXTRA_LDFLAGS_PROGRAM) \$(LDFLAGS) \$(PHP_RPATHS) \$(PHP_GLOBAL_OBJS:.lo=.o) \$(PHP_BINARY_OBJS:.lo=.o) \$(PHP_FASTCGI_OBJS:.lo=.o) \$(PHP_FPM_OBJS:.lo=.o) \$(EXTRA_LIBS) \$(FPM_EXTRA_LIBS) \$(ZEND_EXTRA_LIBS) -o \$(SAPI_FPM_PATH)"
-      ;;
-  esac
+  AS_CASE([$host_alias],
+    [*aix*], [
+      BUILD_FPM="echo '\#! .' > php.sym && echo >>php.sym && nm -BCpg \`echo \$(PHP_GLOBAL_OBJS) \$(PHP_BINARY_OBJS) \$(PHP_FPM_OBJS) | sed 's/\([A-Za-z0-9_]*\)\.lo/\1.o/g'\` | \$(AWK) '{ if (((\$\$2 == \"T\") || (\$\$2 == \"D\") || (\$\$2 == \"B\")) && (substr(\$\$3,1,1) != \".\")) { print \$\$3 } }' | sort -u >> php.sym && \$(LIBTOOL) --tag=CC --mode=link \$(CC) -export-dynamic \$(CFLAGS_CLEAN) \$(EXTRA_CFLAGS) \$(EXTRA_LDFLAGS_PROGRAM) \$(LDFLAGS) -Wl,-brtl -Wl,-bE:php.sym \$(PHP_RPATHS) \$(PHP_GLOBAL_OBJS) \$(PHP_BINARY_OBJS) \$(PHP_FASTCGI_OBJS) \$(PHP_FPM_OBJS) \$(EXTRA_LIBS) \$(FPM_EXTRA_LIBS) \$(ZEND_EXTRA_LIBS) -o \$(SAPI_FPM_PATH)"
+    ],
+    [*darwin*], [
+      BUILD_FPM="\$(CC) \$(CFLAGS_CLEAN) \$(EXTRA_CFLAGS) \$(EXTRA_LDFLAGS_PROGRAM) \$(LDFLAGS) \$(NATIVE_RPATHS) \$(PHP_GLOBAL_OBJS:.lo=.o) \$(PHP_BINARY_OBJS:.lo=.o) \$(PHP_FASTCGI_OBJS:.lo=.o) \$(PHP_FPM_OBJS:.lo=.o) \$(PHP_FRAMEWORKS) \$(EXTRA_LIBS) \$(FPM_EXTRA_LIBS) \$(ZEND_EXTRA_LIBS) -o \$(SAPI_FPM_PATH)"
+    ], [
+      BUILD_FPM="\$(LIBTOOL) --tag=CC --mode=link \$(CC) -export-dynamic \$(CFLAGS_CLEAN) \$(EXTRA_CFLAGS) \$(EXTRA_LDFLAGS_PROGRAM) \$(LDFLAGS) \$(PHP_RPATHS) \$(PHP_GLOBAL_OBJS:.lo=.o) \$(PHP_BINARY_OBJS:.lo=.o) \$(PHP_FASTCGI_OBJS:.lo=.o) \$(PHP_FPM_OBJS:.lo=.o) \$(EXTRA_LIBS) \$(FPM_EXTRA_LIBS) \$(ZEND_EXTRA_LIBS) -o \$(SAPI_FPM_PATH)"
+    ])
 
   PHP_SUBST([SAPI_FPM_PATH])
   PHP_SUBST([BUILD_FPM])