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Use linker to detect libv8_libplatform & libv8_libbase

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This commit is contained in:
Stefan Siegl 2016-12-05 16:18:16 +00:00
parent 58671ebb8e
commit 09f98e7cb1
1 changed files with 34 additions and 30 deletions
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64
config.m4
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@ -81,21 +81,43 @@ if test "$PHP_V8JS" != "no"; then
old_LDFLAGS=$LDFLAGS old_LDFLAGS=$LDFLAGS
old_CPPFLAGS=$CPPFLAGS old_CPPFLAGS=$CPPFLAGS
case $host_os in
darwin* )
# MacOS does not support --rpath
LDFLAGS="-L$V8_DIR/$PHP_LIBDIR"
;;
* )
LDFLAGS="-Wl,--rpath=$V8_DIR/$PHP_LIBDIR -L$V8_DIR/$PHP_LIBDIR"
;;
esac
LIBS=-lv8
CPPFLAGS="-I$V8_DIR/include -std=$ac_cv_v8_cstd"
AC_LANG_SAVE AC_LANG_SAVE
AC_LANG_CPLUSPLUS AC_LANG_CPLUSPLUS
CPPFLAGS="$CPPFLAGS -I$V8_DIR/include -std=$ac_cv_v8_cstd"
LDFLAGS="$LDFLAGS -L$V8_DIR/$PHP_LIBDIR"
AC_DEFUN([V8_CHECK_LINK], [
AC_MSG_CHECKING([for libv8_libplatform])
save_LIBS="$LIBS"
LIBS="$LIBS $1 -lv8_libplatform -lv8"
AC_LINK_IFELSE([AC_LANG_PROGRAM([
namespace v8 {
namespace platform {
void* CreateDefaultPlatform(int thread_pool_size = 0);
}
}
], [ v8::platform::CreateDefaultPlatform(); ])], [
dnl libv8_libplatform.so found
AC_MSG_RESULT(found)
V8JS_SHARED_LIBADD="$1 -lv8_libplatform $V8JS_SHARED_LIBADD"
$2
], [ $3 ])
LIBS="$save_LIBS"
])
V8_CHECK_LINK([], [], [
V8_CHECK_LINK([-lv8_libbase], [], [ AC_MSG_ERROR([could not find libv8_libplatform library]) ])
])
dnl
dnl Check for V8 version
dnl (basic support for library linking assumed to be achieved above)
dnl
LIBS="$LIBS $V8JS_SHARED_LIBADD"
AC_CACHE_CHECK(for V8 version, ac_cv_v8_version, [ AC_CACHE_CHECK(for V8 version, ac_cv_v8_version, [
AC_TRY_RUN([#include <v8.h> AC_TRY_RUN([#include <v8.h>
#include <iostream> #include <iostream>
@ -132,26 +154,8 @@ int main ()
PHP_ADD_INCLUDE($V8_DIR) PHP_ADD_INCLUDE($V8_DIR)
LDFLAGS_libplatform=""
for static_link_extra_file in libv8_libplatform.a libv8_libbase.a; do
AC_MSG_CHECKING([for $static_link_extra_file])
static_link_dir=""
if test -r $V8_DIR/$PHP_LIBDIR/$static_link_extra_file; then
static_link_dir=$V8_DIR/$PHP_LIBDIR
AC_MSG_RESULT(found in $V8_DIR/$PHP_LIBDIR)
fi
if test -z "$static_link_dir"; then
AC_MSG_RESULT([not found])
else
LDFLAGS_libplatform="$LDFLAGS_libplatform $static_link_dir/$static_link_extra_file"
fi
done
# modify flags for (possibly) succeeding V8 startup check # modify flags for (possibly) succeeding V8 startup check
CPPFLAGS="$CPPFLAGS -I$V8_DIR" CPPFLAGS="$CPPFLAGS -I$V8_DIR"
LIBS="$LIBS $LDFLAGS_libplatform"
dnl building for v8 4.4.10 or later, which requires us to dnl building for v8 4.4.10 or later, which requires us to
dnl provide startup data, if V8 wasn't compiled with snapshot=off. dnl provide startup data, if V8 wasn't compiled with snapshot=off.