bison

[m6w6/ext-psi] / m4 / psi / psi.m4

diff --git a/m4/psi/psi.m4 b/m4/psi/psi.m4
index f99d582f4e519a5d972d6b1a7cb1a252a0dd25ca..984aa6064743c765f5fec1fd99a88c61359ed4af 100644 (file)
--- a/m4/psi/psi.m4
+++ b/m4/psi/psi.m4
@@ -18,6 +18,42 @@ AC_DEFUN(PSI_CONFIG_INIT, [
                ])
                psi_cv_libc_main=$psi_libc_main
        ])
+       
+       AC_MSG_CHECKING(for preprocessor defaults)
+       psi_cpp_predef=`$CPP -Wp,-dM - </dev/null`
+       psi_cpp_search=`$CPP -Wp,-v - </dev/null 2>&1 >/dev/null \
+               | $AWK '
+                       /include.*search.*start/ { 
+                               capture = 1
+                               next
+                       }
+                       /[Ee]nd.*search/ {
+                               capture = 0
+                       }
+                       { 
+                               if (capture)
+                                       print $1
+                       }
+               ' \
+       `
+       psi_cpp_predef_count=`printf %s "$psi_cpp_predef" | wc -l`
+       psi_cpp_search_count=`printf %s "$psi_cpp_search" | wc -l`
+       AC_MSG_RESULT([$psi_cpp_predef_count predefined macros, and $psi_cpp_search_count search paths])
+       PSI_CPP_PREDEF=`printf "%s\n" "$psi_cpp_predef" | \
+               $AWK '{
+                       gsub(/"/, "\\\\\"");
+                       printf "\"%s\\\n\"\n", $[]0
+               }' \
+       `
+       PSI_CPP_SEARCH=`printf %s "$psi_cpp_search" | \
+               $AWK '{
+                       if (i) printf ":";
+                       gsub(/^@<:@@<:@:space:@:>@@:>@+/,"");
+                       gsub(/@<:@@<:@:space:@:>@@:>@+$/,"");
+                       printf "%s", $[]0;
+                       ++i
+               }' \
+       `
 
        if test "$PHP_PSI_MAINTAINER_MODE" = "yes"; then
                PSI_FAST_CONFIG=true
@@ -48,6 +84,7 @@ AC_DEFUN(PSI_CONFIG_INIT, [
        AC_CONFIG_FILES(
                [$PHP_PSI_BUILDDIR/php_psi_stdinc.h:$PHP_PSI_SRCDIR/php_psi_stdinc.h.in]
                [$PHP_PSI_BUILDDIR/php_psi_posix.h:$PHP_PSI_SRCDIR/php_psi_posix.h.in]
+               [$PHP_PSI_BUILDDIR/php_psi_cpp.h:$PHP_PSI_SRCDIR/php_psi_cpp.h.in]
        )
 
 ])
@@ -86,6 +123,8 @@ AC_DEFUN(PSI_CONFIG_DONE, [
        AC_SUBST([PSI_REDIRS])
        AC_SUBST([PSI_MACROS])
        AC_SUBST([PSI_DECLS])
+       AC_SUBST([PSI_CPP_SEARCH])
+       AC_SUBST([PSI_CPP_PREDEF])
 ])
 
 dnl PSI_SH_CONFIG_POSIX_ENABLED(section)