Autotools: Quote M4 arguments

build/php.m4

@@ -391,7 +391,7 @@ AC_DEFUN([PHP_EVAL_INCLINE],[
     case $ac_i in
     -I*[)]
       ac_ii=`echo $ac_i|cut -c 3-`
-      PHP_ADD_INCLUDE($ac_ii)
+      PHP_ADD_INCLUDE([$ac_ii])
     ;;
     esac
   done
@@ -1781,8 +1781,8 @@ dnl
 AC_DEFUN([PHP_SETUP_ICU],[
   PKG_CHECK_MODULES([ICU], [icu-uc >= 50.1 icu-io icu-i18n])
 
-  PHP_EVAL_INCLINE($ICU_CFLAGS)
-  PHP_EVAL_LIBLINE($ICU_LIBS, $1)
+  PHP_EVAL_INCLINE([$ICU_CFLAGS])
+  PHP_EVAL_LIBLINE([$ICU_LIBS], [$1])
 
   ICU_CFLAGS="$ICU_CFLAGS -DU_NO_DEFAULT_INCLUDE_UTF_HEADERS=1"
   ICU_CXXFLAGS="$ICU_CXXFLAGS -DUNISTR_FROM_CHAR_EXPLICIT=explicit -DUNISTR_FROM_STRING_EXPLICIT=explicit"
@@ -1802,8 +1802,8 @@ AC_DEFUN([PHP_SETUP_OPENSSL],[
   PKG_CHECK_MODULES([OPENSSL], [openssl >= 1.1.1], [found_openssl=yes])
 
   if test "$found_openssl" = "yes"; then
-    PHP_EVAL_LIBLINE($OPENSSL_LIBS, $1)
-    PHP_EVAL_INCLINE($OPENSSL_CFLAGS)
+    PHP_EVAL_LIBLINE([$OPENSSL_LIBS], [$1])
+    PHP_EVAL_INCLINE([$OPENSSL_CFLAGS])
 ifelse([$2],[],:,[$2])
   fi
 ])
@@ -1878,7 +1878,7 @@ AC_DEFUN([PHP_SETUP_ICONV], [
     AC_DEFINE(HAVE_ICONV,1,[ ])
     if test -n "$ICONV_DIR"; then
       PHP_ADD_LIBRARY_WITH_PATH($iconv_lib_name, $ICONV_DIR/$PHP_LIBDIR, $1)
-      PHP_ADD_INCLUDE($ICONV_INCLUDE_DIR)
+      PHP_ADD_INCLUDE([$ICONV_INCLUDE_DIR])
     fi
     $2
 ifelse([$3],[],,[else $3])
@@ -1893,8 +1893,8 @@ dnl
 AC_DEFUN([PHP_SETUP_LIBXML], [
   PKG_CHECK_MODULES([LIBXML], [libxml-2.0 >= 2.9.0])
 
-  PHP_EVAL_INCLINE($LIBXML_CFLAGS)
-  PHP_EVAL_LIBLINE($LIBXML_LIBS, $1)
+  PHP_EVAL_INCLINE([$LIBXML_CFLAGS])
+  PHP_EVAL_LIBLINE([$LIBXML_LIBS], [$1])
 
   AC_DEFINE(HAVE_LIBXML, 1, [ ])
 
@@ -1909,8 +1909,8 @@ dnl
 AC_DEFUN([PHP_SETUP_EXPAT], [
   PKG_CHECK_MODULES([EXPAT], [expat])
 
-  PHP_EVAL_INCLINE($EXPAT_CFLAGS)
-  PHP_EVAL_LIBLINE($EXPAT_LIBS, $1)
+  PHP_EVAL_INCLINE([$EXPAT_CFLAGS])
+  PHP_EVAL_LIBLINE([$EXPAT_LIBS], [$1])
 
   AC_DEFINE(HAVE_LIBEXPAT, 1, [ ])
 ])

ext/bz2/config.m4

@@ -24,7 +24,7 @@ if test "$PHP_BZ2" != "no"; then
 
   PHP_CHECK_LIBRARY(bz2, BZ2_bzerror,
   [
-    PHP_ADD_INCLUDE($BZIP_DIR/include)
+    PHP_ADD_INCLUDE([$BZIP_DIR/include])
     PHP_ADD_LIBRARY_WITH_PATH(bz2, $BZIP_DIR/$PHP_LIBDIR, BZ2_SHARED_LIBADD)
     AC_DEFINE(HAVE_BZ2,1,[ ])
   ], [

ext/dba/config.m4

@@ -235,7 +235,7 @@ if test "$PHP_TCADB" != "no"; then
   for i in $PHP_TCADB /usr/local /usr; do
   if test -f "$i/include/tcadb.h"; then
     THIS_PREFIX=$i
-    PHP_ADD_INCLUDE($THIS_PREFIX/include)
+    PHP_ADD_INCLUDE([$THIS_PREFIX/include])
     THIS_INCLUDE=$i/include/tcadb.h
     break
   fi
@@ -266,7 +266,7 @@ if test "$PHP_LMDB" != "no"; then
   for i in $PHP_LMDB /usr/local /usr; do
     if test -f "$i/include/lmdb.h"; then
       THIS_PREFIX=$i
-      PHP_ADD_INCLUDE($THIS_PREFIX/include)
+      PHP_ADD_INCLUDE([$THIS_PREFIX/include])
       THIS_INCLUDE=$i/include/lmdb.h
       break
     fi

ext/enchant/config.m4

@@ -8,17 +8,17 @@ if test "$PHP_ENCHANT" != "no"; then
 
   if test "$found_enchant_2" = "yes"; then
 
-    PHP_EVAL_INCLINE($ENCHANT2_CFLAGS)
-    PHP_EVAL_LIBLINE($ENCHANT2_LIBS, ENCHANT_SHARED_LIBADD)
+    PHP_EVAL_INCLINE([$ENCHANT2_CFLAGS])
+    PHP_EVAL_LIBLINE([$ENCHANT2_LIBS], [ENCHANT_SHARED_LIBADD])
 
     AC_DEFINE(HAVE_ENCHANT_GET_VERSION, 1, [ enchant_get_version since 1.6.0 ])
 
   else
     AC_MSG_WARN([libenchant-2 not found trying with old libenchant])
     PKG_CHECK_MODULES([ENCHANT], [enchant >= 1.4.2])
 
-    PHP_EVAL_INCLINE($ENCHANT_CFLAGS)
-    PHP_EVAL_LIBLINE($ENCHANT_LIBS, ENCHANT_SHARED_LIBADD)
+    PHP_EVAL_INCLINE([$ENCHANT_CFLAGS])
+    PHP_EVAL_LIBLINE([$ENCHANT_LIBS], [ENCHANT_SHARED_LIBADD])
 
     PHP_CHECK_LIBRARY(enchant, enchant_get_version,
     [

ext/ffi/config.m4

@@ -6,8 +6,8 @@ PHP_ARG_WITH([ffi],
 if test "$PHP_FFI" != "no"; then
   PKG_CHECK_MODULES([FFI], [libffi >= 3.0.11])
 
-  PHP_EVAL_INCLINE($FFI_CFLAGS)
-  PHP_EVAL_LIBLINE($FFI_LIBS, FFI_SHARED_LIBADD)
+  PHP_EVAL_INCLINE([$FFI_CFLAGS])
+  PHP_EVAL_LIBLINE([$FFI_LIBS], [FFI_SHARED_LIBADD])
 
   AC_DEFINE(HAVE_FFI, 1, [Have ffi support])
 

ext/gd/config.m4

@@ -68,16 +68,16 @@ dnl
 dnl libpng is always required
 AC_DEFUN([PHP_GD_PNG],[
   PKG_CHECK_MODULES([PNG], [libpng])
-  PHP_EVAL_LIBLINE($PNG_LIBS, GD_SHARED_LIBADD)
-  PHP_EVAL_INCLINE($PNG_CFLAGS)
+  PHP_EVAL_LIBLINE([$PNG_LIBS], [GD_SHARED_LIBADD])
+  PHP_EVAL_INCLINE([$PNG_CFLAGS])
   AC_DEFINE(HAVE_LIBPNG, 1, [ ])
 ])
 
 AC_DEFUN([PHP_GD_AVIF],[
   if test "$PHP_AVIF" != "no"; then
     PKG_CHECK_MODULES([AVIF], [libavif >= 0.8.2])
-    PHP_EVAL_LIBLINE($AVIF_LIBS, GD_SHARED_LIBADD)
-    PHP_EVAL_INCLINE($AVIF_CFLAGS)
+    PHP_EVAL_LIBLINE([$AVIF_LIBS], [GD_SHARED_LIBADD])
+    PHP_EVAL_INCLINE([$AVIF_CFLAGS])
     AC_DEFINE(HAVE_LIBAVIF, 1, [ ])
     AC_DEFINE(HAVE_GD_AVIF, 1, [ ])
   fi
@@ -86,8 +86,8 @@ AC_DEFUN([PHP_GD_AVIF],[
 AC_DEFUN([PHP_GD_WEBP],[
   if test "$PHP_WEBP" != "no"; then
     PKG_CHECK_MODULES([WEBP], [libwebp >= 0.2.0])
-    PHP_EVAL_LIBLINE($WEBP_LIBS, GD_SHARED_LIBADD)
-    PHP_EVAL_INCLINE($WEBP_CFLAGS)
+    PHP_EVAL_LIBLINE([$WEBP_LIBS], [GD_SHARED_LIBADD])
+    PHP_EVAL_INCLINE([$WEBP_CFLAGS])
     AC_DEFINE(HAVE_LIBWEBP, 1, [ ])
     AC_DEFINE(HAVE_GD_WEBP, 1, [ ])
   fi
@@ -96,8 +96,8 @@ AC_DEFUN([PHP_GD_WEBP],[
 AC_DEFUN([PHP_GD_JPEG],[
   if test "$PHP_JPEG" != "no"; then
     PKG_CHECK_MODULES([JPEG], [libjpeg])
-    PHP_EVAL_LIBLINE($JPEG_LIBS, GD_SHARED_LIBADD)
-    PHP_EVAL_INCLINE($JPEG_CFLAGS)
+    PHP_EVAL_LIBLINE([$JPEG_LIBS], [GD_SHARED_LIBADD])
+    PHP_EVAL_INCLINE([$JPEG_CFLAGS])
     AC_DEFINE(HAVE_LIBJPEG, 1, [ ])
     AC_DEFINE(HAVE_GD_JPG, 1, [ ])
   fi
@@ -106,8 +106,8 @@ AC_DEFUN([PHP_GD_JPEG],[
 AC_DEFUN([PHP_GD_XPM],[
   if test "$PHP_XPM" != "no"; then
     PKG_CHECK_MODULES([XPM], [xpm])
-    PHP_EVAL_LIBLINE($XPM_LIBS, GD_SHARED_LIBADD)
-    PHP_EVAL_INCLINE($XPM_CFLAGS)
+    PHP_EVAL_LIBLINE([$XPM_LIBS], [GD_SHARED_LIBADD])
+    PHP_EVAL_INCLINE([$XPM_CFLAGS])
     AC_DEFINE(HAVE_XPM, 1, [ ])
     AC_DEFINE(HAVE_GD_XPM, 1, [ ])
   fi
@@ -117,8 +117,8 @@ AC_DEFUN([PHP_GD_FREETYPE2],[
   if test "$PHP_FREETYPE" != "no"; then
     PKG_CHECK_MODULES([FREETYPE2], [freetype2], [FREETYPE2_FOUND=true])
 
-    PHP_EVAL_INCLINE($FREETYPE2_CFLAGS)
-    PHP_EVAL_LIBLINE($FREETYPE2_LIBS, GD_SHARED_LIBADD)
+    PHP_EVAL_INCLINE([$FREETYPE2_CFLAGS])
+    PHP_EVAL_LIBLINE([$FREETYPE2_LIBS], [GD_SHARED_LIBADD])
     AC_DEFINE(HAVE_LIBFREETYPE, 1, [ ])
     AC_DEFINE(HAVE_GD_FREETYPE, 1, [ ])
   fi
@@ -239,8 +239,8 @@ dnl Various checks for GD features
   else
     extra_sources="gd_compat.c"
     PKG_CHECK_MODULES([GDLIB], [gdlib >= 2.1.0])
-    PHP_EVAL_LIBLINE($GDLIB_LIBS, GD_SHARED_LIBADD)
-    PHP_EVAL_INCLINE($GDLIB_CFLAGS)
+    PHP_EVAL_LIBLINE([$GDLIB_LIBS], [GD_SHARED_LIBADD])
+    PHP_EVAL_INCLINE([$GDLIB_CFLAGS])
     AC_DEFINE(HAVE_LIBGD, 1, [ ])
     PHP_GD_CHECK_VERSION
 

ext/gettext/config.m4

@@ -35,7 +35,7 @@ if test "$PHP_GETTEXT" != "no"; then
   PHP_NEW_EXTENSION(gettext, gettext.c, $ext_shared)
   PHP_SUBST([GETTEXT_SHARED_LIBADD])
 
-  PHP_ADD_INCLUDE($GETTEXT_INCDIR)
+  PHP_ADD_INCLUDE([$GETTEXT_INCDIR])
 
   AC_CHECK_LIB($GETTEXT_CHECK_IN_LIB, ngettext,  [AC_DEFINE(HAVE_NGETTEXT, 1, [ ])])
   AC_CHECK_LIB($GETTEXT_CHECK_IN_LIB, dngettext,  [AC_DEFINE(HAVE_DNGETTEXT, 1, [ ])])

ext/gmp/config.m4

@@ -24,7 +24,7 @@ if test "$PHP_GMP" != "no"; then
     ])
 
     PHP_ADD_LIBRARY_WITH_PATH(gmp, $PHP_GMP/$PHP_LIBDIR, GMP_SHARED_LIBADD)
-    PHP_ADD_INCLUDE($PHP_GMP/include)
+    PHP_ADD_INCLUDE([$PHP_GMP/include])
   fi
 
   PHP_INSTALL_HEADERS([ext/gmp], [php_gmp_int.h])

ext/ldap/config.m4

@@ -91,7 +91,7 @@ if test "$PHP_LDAP" != "no"; then
     AC_MSG_ERROR(Cannot find ldap libraries in $LDAP_LIBDIR.)
   fi
 
-  PHP_ADD_INCLUDE($LDAP_INCDIR)
+  PHP_ADD_INCLUDE([$LDAP_INCDIR])
   PHP_SUBST([LDAP_SHARED_LIBADD])
   AC_DEFINE(HAVE_LDAP,1,[ ])
 
@@ -131,8 +131,8 @@ if test "$PHP_LDAP" != "no"; then
   if test "$PHP_LDAP_SASL" != "no"; then
     PKG_CHECK_MODULES([SASL], [libsasl2])
 
-    PHP_EVAL_INCLINE($SASL_CFLAGS)
-    PHP_EVAL_LIBLINE($SASL_LIBS, LDAP_SHARED_LIBADD)
+    PHP_EVAL_INCLINE([$SASL_CFLAGS])
+    PHP_EVAL_LIBLINE([$SASL_LIBS], [LDAP_SHARED_LIBADD])
 
     AC_DEFINE(HAVE_LDAP_SASL, 1, [LDAP SASL support])
   fi

ext/mbstring/config.m4

@@ -52,8 +52,8 @@ EOF
 AC_DEFUN([PHP_MBSTRING_SETUP_MBREGEX], [
   if test "$PHP_MBREGEX" = "yes"; then
     PKG_CHECK_MODULES([ONIG], [oniguruma])
-    PHP_EVAL_LIBLINE($ONIG_LIBS, MBSTRING_SHARED_LIBADD)
-    PHP_EVAL_INCLINE($ONIG_CFLAGS)
+    PHP_EVAL_LIBLINE([$ONIG_LIBS], [MBSTRING_SHARED_LIBADD])
+    PHP_EVAL_INCLINE([$ONIG_CFLAGS])
 
     AC_CACHE_CHECK([if oniguruma has an invalid entry for KOI8 encoding],
       [php_cv_lib_onig_invalid_koi8],

ext/odbc/config.m4

@@ -106,7 +106,7 @@ PHP_ARG_WITH([adabas],,
     if test "$PHP_ADABAS" = "yes"; then
       PHP_ADABAS=/usr/local
     fi
-    PHP_ADD_INCLUDE($PHP_ADABAS/incl)
+    PHP_ADD_INCLUDE([$PHP_ADABAS/incl])
     PHP_ADD_LIBPATH($PHP_ADABAS/$PHP_LIBDIR)
     ODBC_OBJS="$PHP_ADABAS/$PHP_LIBDIR/odbclib.a"
     ODBC_LIB="$abs_builddir/ext/odbc/libodbc_adabas.a"
@@ -136,7 +136,7 @@ PHP_ARG_WITH([sapdb],,
     if test "$PHP_SAPDB" = "yes"; then
       PHP_SAPDB=/usr/local
     fi
-    PHP_ADD_INCLUDE($PHP_SAPDB/incl)
+    PHP_ADD_INCLUDE([$PHP_SAPDB/incl])
     PHP_ADD_LIBPATH($PHP_SAPDB/$PHP_LIBDIR)
     PHP_ADD_LIBRARY(sqlod)
     ODBC_TYPE=sapdb
@@ -320,7 +320,7 @@ PHP_ARG_WITH([iodbc],,
   if test "$PHP_IODBC" != "no"; then
     AC_MSG_RESULT(yes)
     PKG_CHECK_MODULES([ODBC], [libiodbc])
-    PHP_EVAL_INCLINE($ODBC_CFLAGS)
+    PHP_EVAL_INCLINE([$ODBC_CFLAGS])
     ODBC_TYPE=iodbc
     AC_DEFINE(HAVE_IODBC,1,[ ])
   else
@@ -361,7 +361,7 @@ PHP_ARG_WITH([unixODBC],,
     if test "$PHP_UNIXODBC" = "yes"; then
       AC_MSG_RESULT(yes from pkgconfig)
       PKG_CHECK_MODULES([ODBC], [odbc])
-      PHP_EVAL_INCLINE($ODBC_CFLAGS)
+      PHP_EVAL_INCLINE([$ODBC_CFLAGS])
     else
       dnl keep old DIR way for old version without libodbc.pc
       ODBC_INCDIR=$PHP_UNIXODBC/include
@@ -423,7 +423,7 @@ PHP_ARG_WITH([dbmaker],,
     else
       AC_MSG_RESULT([yes (static)])
       PHP_ADD_LIBRARY_WITH_PATH(dmapic, $ODBC_LIBDIR)
-      PHP_ADD_INCLUDE($ODBC_INCDIR)
+      PHP_ADD_INCLUDE([$ODBC_INCDIR])
       ODBC_STATIC="libphpext_odbc.la"
     fi
   else

ext/opcache/config.m4

@@ -84,8 +84,8 @@ if test "$PHP_OPCACHE" != "no"; then
     AS_IF([test x"$with_capstone" = "xyes"],[
       PKG_CHECK_MODULES([CAPSTONE],[capstone >= 3.0.0],[
         AC_DEFINE([HAVE_CAPSTONE], [1], [Capstone is available])
-        PHP_EVAL_LIBLINE($CAPSTONE_LIBS, OPCACHE_SHARED_LIBADD)
-        PHP_EVAL_INCLINE($CAPSTONE_CFLAGS)
+        PHP_EVAL_LIBLINE([$CAPSTONE_LIBS], [OPCACHE_SHARED_LIBADD])
+        PHP_EVAL_INCLINE([$CAPSTONE_CFLAGS])
         ZEND_JIT_SRC="$ZEND_JIT_SRC jit/ir/ir_disasm.c"
       ],[
         AC_MSG_ERROR([capstone >= 3.0 required but not found])

ext/pcre/config0.m4

@@ -19,8 +19,8 @@ AH_TEMPLATE([HAVE_PCRE_JIT_SUPPORT],
 if test "$PHP_EXTERNAL_PCRE" != "no"; then
   PKG_CHECK_MODULES([PCRE2], [libpcre2-8 >= 10.30])
 
-  PHP_EVAL_INCLINE($PCRE2_CFLAGS)
-  PHP_EVAL_LIBLINE($PCRE2_LIBS)
+  PHP_EVAL_INCLINE([$PCRE2_CFLAGS])
+  PHP_EVAL_LIBLINE([$PCRE2_LIBS])
   AC_DEFINE(PCRE2_CODE_UNIT_WIDTH, 8, [ ])
 
   AS_VAR_IF([PHP_PCRE_JIT], [no],,

ext/pdo_dblib/config.m4

@@ -37,7 +37,7 @@ if test "$PHP_PDO_DBLIB" != "no"; then
        AC_MSG_ERROR(Could not find $PDO_FREETDS_INSTALLATION_DIR/$PHP_LIBDIR/libsybdb.[a|so])
     fi
 
-    PHP_ADD_INCLUDE($PDO_FREETDS_INCLUDE_DIR)
+    PHP_ADD_INCLUDE([$PDO_FREETDS_INCLUDE_DIR])
     PHP_ADD_LIBRARY_WITH_PATH(sybdb, $PDO_FREETDS_INSTALLATION_DIR/$PHP_LIBDIR, PDO_DBLIB_SHARED_LIBADD)
   fi
 

ext/pdo_firebird/config.m4

@@ -18,8 +18,8 @@ if test "$PHP_PDO_FIREBIRD" != "no"; then
     FB_LIBDIR=`$FB_CONFIG --libs`
     FB_VERSION=`$FB_CONFIG --version`
     AC_MSG_RESULT(version $FB_VERSION)
-    PHP_EVAL_LIBLINE($FB_LIBDIR, PDO_FIREBIRD_SHARED_LIBADD)
-    PHP_EVAL_INCLINE($FB_CFLAGS)
+    PHP_EVAL_LIBLINE([$FB_LIBDIR], [PDO_FIREBIRD_SHARED_LIBADD])
+    PHP_EVAL_INCLINE([$FB_CFLAGS])
 
   else
     if test "$PHP_PDO_FIREBIRD" = "yes"; then
@@ -55,7 +55,7 @@ if test "$PHP_PDO_FIREBIRD" != "no"; then
       $FIREBIRD_LIBDIR_FLAG
     ])
     PHP_ADD_LIBRARY_WITH_PATH($FIREBIRD_LIBNAME, $FIREBIRD_LIBDIR, PDO_FIREBIRD_SHARED_LIBADD)
-    PHP_ADD_INCLUDE($FIREBIRD_INCDIR)
+    PHP_ADD_INCLUDE([$FIREBIRD_INCDIR])
   fi
 
   PHP_CHECK_PDO_INCLUDES

ext/pdo_mysql/config.m4

@@ -67,15 +67,15 @@ if test "$PHP_PDO_MYSQL" != "no"; then
         AC_MSG_ERROR([Unable to find your mysql installation])
       fi
 
-      PHP_ADD_INCLUDE($PDO_MYSQL_INC_DIR)
+      PHP_ADD_INCLUDE([$PDO_MYSQL_INC_DIR])
       PDO_MYSQL_INCLUDE=-I$PDO_MYSQL_INC_DIR
     else
       AC_MSG_RESULT([not found])
       AC_MSG_ERROR([Unable to find your mysql installation])
     fi
 
-    PHP_EVAL_INCLINE($PDO_MYSQL_INCLUDE)
-    PHP_EVAL_LIBLINE($PDO_MYSQL_LIBS, PDO_MYSQL_SHARED_LIBADD)
+    PHP_EVAL_INCLINE([$PDO_MYSQL_INCLUDE])
+    PHP_EVAL_LIBLINE([$PDO_MYSQL_LIBS], [PDO_MYSQL_SHARED_LIBADD])
   fi
 
   PHP_CHECK_PDO_INCLUDES

ext/readline/config.m4

@@ -26,7 +26,7 @@ if test "$PHP_READLINE" && test "$PHP_READLINE" != "no"; then
     AC_MSG_ERROR(Please reinstall readline - I cannot find readline.h)
   fi
 
-  PHP_ADD_INCLUDE($READLINE_DIR/include)
+  PHP_ADD_INCLUDE([$READLINE_DIR/include])
 
   PHP_READLINE_LIBS=""
   AC_CHECK_LIB(ncurses, tgetent,
@@ -91,8 +91,8 @@ elif test "$PHP_LIBEDIT" != "no"; then
   fi
 
   PKG_CHECK_MODULES([EDIT], [libedit])
-  PHP_EVAL_LIBLINE($EDIT_LIBS, READLINE_SHARED_LIBADD)
-  PHP_EVAL_INCLINE($EDIT_CFLAGS)
+  PHP_EVAL_LIBLINE([$EDIT_LIBS], [READLINE_SHARED_LIBADD])
+  PHP_EVAL_INCLINE([$EDIT_CFLAGS])
 
   AC_CHECK_LIB(ncurses, tgetent,
   [

ext/session/config.m4

@@ -37,7 +37,7 @@ if test "$PHP_MM" != "no"; then
   fi
 
   PHP_ADD_LIBRARY_WITH_PATH(mm, $MM_DIR/$PHP_LIBDIR, SESSION_SHARED_LIBADD)
-  PHP_ADD_INCLUDE($MM_DIR/include)
+  PHP_ADD_INCLUDE([$MM_DIR/include])
   PHP_INSTALL_HEADERS([ext/session], [mod_mm.h])
   AC_DEFINE(HAVE_LIBMM, 1, [Whether you have libmm])
 fi