X-Git-Url: https://git.m6w6.name/?p=m6w6%2Fext-psi;a=blobdiff_plain;f=m4%2Fpsi%2Fpsi.m4;h=d7918f24a0ff7c5800b32ac90b4768573da16d14;hp=67878346db61e5765024af4e225c09502888b94d;hb=764f3f36f003401f6334ced63356451fb5c6c642;hpb=5fb98c298b198dbc7dba9d1c339b21e179c65b4e

diff --git a/m4/psi/psi.m4 b/m4/psi/psi.m4
index 6787834..d7918f2 100644
--- a/m4/psi/psi.m4
+++ b/m4/psi/psi.m4
@@ -7,6 +7,54 @@ AC_DEFUN(PSI_CONFIG_INIT, [
 	psi_save_LIBS=$LIBS
 	LIBS=
 
+	ac_includes_default="AC_INCLUDES_DEFAULT"
+	
+	AC_PROG_AWK
+	AC_PATH_PROG(NM, nm)
+	AC_CACHE_CHECK(for libc start main symbol, psi_cv_libc_main, [
+		psi_libc_main=
+		AC_TRY_LINK(PSI_INCLUDES, [(void)0;], [
+			psi_libc_main=`nm -g conftest$ac_exeext | $AWK -F ' *|@' '/^@<:@@<:@:space:@:>@@:>@+U / {print$[]3; exit}'`
+		])
+		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
 		PSI_DEPS=true
@@ -15,7 +63,6 @@ AC_DEFUN(PSI_CONFIG_INIT, [
 		PHP_SUBST(PSI_DEPS)
 		
 		PSI_CONFIG_TMP=$(mktemp -d)
-		PSI_FUNC_LIBC_MAIN
 	else
 		PSI_FAST_CONFIG=false
 		PSI_DEPS=false
@@ -37,6 +84,7 @@ AC_DEFUN(PSI_CONFIG_INIT, [
 	AC_CONFIG_FILES(
 		[$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]
 	)
 
 ])
@@ -75,6 +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)
@@ -191,16 +241,15 @@ AC_DEFUN(PSI_PTHREAD, [
 
 dnl PSI_INCLUDES()
 dnl Expands to a complete list of include statements including
-dnl AC_INCLUDES_DEFAULT().
-AC_DEFUN(PSI_INCLUDES, [dnl
-#define PSI_INCLUDES
+dnl autoconf's defaults.
+AC_DEFUN(PSI_INCLUDES, [
 #ifndef _GNU_SOURCE
 # define _GNU_SOURCE
 #endif
 #ifndef _REENTRANT
 # define _REENTRANT
 #endif
-AC_INCLUDES_DEFAULT()
+$ac_includes_default
 #ifdef HAVE_STDBOOL_H
 # include <stdbool.h>
 #else
@@ -374,7 +423,7 @@ AC_DEFUN(PSI_CHECK_OFFSETOF, [
 		[offset of $2 in $1],
 		[AS_TR_SH([ac_cv_offsetof_$1_$2])],
 		[(long int) (offsetof ($1, $2))],
-		[PSI_INCLUDES],
+		PSI_INCLUDES,
 		[AC_MSG_FAILURE([cannot compute offsetof ($1, $2)])]
 	)
 	AC_DEFINE_UNQUOTED(
@@ -470,6 +519,13 @@ AC_DEFUN(PSI_CHECK_LIBFFI, [
 			AC_MSG_WARN([Could not find libffi, please provide the base install path])
 		fi
 	fi
+	
+	save_CFLAGS=$CFLAGS
+	CFLAGS="$CFLAGS $INCLUDES"
+	AC_CHECK_DECL(FFI_STDCALL,[AC_DEFINE([HAVE_FFI_STDCALL],[1],[ ])],,[#include "ffi.h"])
+	AC_CHECK_DECL(FFI_FASTCALL,[AC_DEFINE([HAVE_FFI_FASTCALL],[1],[ ])],,[#include "ffi.h"])
+	CFLAGS=$save_CFLAGS
+	
 	PHP_CHECK_LIBRARY(ffi, ffi_closure_alloc, [
 		PHP_CHECK_LIBRARY(ffi, ffi_prep_closure_loc, [
 			AC_DEFINE(PSI_HAVE_FFI_PREP_CLOSURE_LOC, 1, [ ])