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authorBjörn-Egil Dahlberg <[email protected]>2013-07-15 17:30:50 +0200
committerBjörn-Egil Dahlberg <[email protected]>2013-07-15 17:30:50 +0200
commitb7fbc28217c7e324f33c4b63d858560eba2ba07a (patch)
treeff3c32a779b4476e70a8e3b3b665205c6d00b85d /erts/emulator
parent2496dd9ace488836115adae8b93f30d7fa0882c5 (diff)
parentc6f452c340ad1749ce91c037a4820ea0feb0a644 (diff)
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Merge branch 'maint'
Diffstat (limited to 'erts/emulator')
-rw-r--r--erts/emulator/Makefile.in10
-rw-r--r--erts/emulator/beam/atom.names3
-rwxr-xr-xerts/emulator/beam/erl_bif_info.c26
-rwxr-xr-xerts/emulator/beam/global.h2
-rw-r--r--erts/emulator/beam/utils.c2
-rwxr-xr-xerts/emulator/utils/make_compiler_flags87
6 files changed, 127 insertions, 3 deletions
diff --git a/erts/emulator/Makefile.in b/erts/emulator/Makefile.in
index 58e83540e1..9751982103 100644
--- a/erts/emulator/Makefile.in
+++ b/erts/emulator/Makefile.in
@@ -387,6 +387,13 @@ else
UNIX_ONLY_BUILDS =
endif
+ifeq ($(TARGET), win32)
+TMPVAR := $(shell LANG=C $(PERL) utils/make_compiler_flags -o $(TTF_DIR)/erl_compile_flags.h -v CONFIG_H "N/A" -v CFLAGS "$(CFLAGS)" -v LDFLAGS "$(LDFLAGS)")
+else
+# We force this to be run every time this makefile is executed
+TMPVAR := $(shell LANG=C $(PERL) utils/make_compiler_flags -o $(TTF_DIR)/erl_compile_flags.h -f CONFIG_H "$(ERL_TOP)/erts/$(TARGET)/config.h" -v CFLAGS "$(CFLAGS)" -v LDFLAGS "$(LDFLAGS)")
+endif
+
.PHONY: all
ifdef VOID_EMULATOR
all:
@@ -959,6 +966,7 @@ SED_REPL_TTF_DIR=s|$(TTF_DIR)/|$$(TTF_DIR)/|g
SED_REPL_ERL_TOP=s|\([ ]\)$(ERL_TOP)/|\1$$(ERL_TOP)/|g;s|^$(ERL_TOP)/|$$(ERL_TOP)/|g
SED_REPL_POLL=s|$$(OBJDIR)/erl_poll.o|$$(OBJDIR)/erl_poll.kp.o $$(OBJDIR)/erl_poll.nkp.o|g
SED_REPL_CHK_IO=s|$$(OBJDIR)/erl_check_io.o|$$(OBJDIR)/erl_check_io.kp.o $$(OBJDIR)/erl_check_io.nkp.o|g
+SED_REPL_TTF_COMP_FLAGS=s|\([^/]\)erl_compile_flags\.h|\1$$(TTF_DIR)/erl_compile_flags\.h|g
ifeq ($(TARGET),win32)
#SED_PREFIX=$(SED_REPL_WIN_DRIVE);
@@ -973,7 +981,7 @@ else
SED_SUFFIX=
endif
-SED_DEPEND=sed '$(SED_PREFIX)$(SED_REPL_O);$(SED_REPL_TTF_DIR);$(SED_REPL_ERL_TOP)$(SED_SUFFIX)'
+SED_DEPEND=sed '$(SED_PREFIX)$(SED_REPL_O);$(SED_REPL_TTF_DIR);$(SED_REPL_ERL_TOP)$(SED_SUFFIX);$(SED_REPL_TTF_COMP_FLAGS)'
SED_DEPEND_ZLIB=sed '$(SED_PREFIX)$(SED_REPL_O_ZLIB)'
ifdef HIPE_ENABLED
diff --git a/erts/emulator/beam/atom.names b/erts/emulator/beam/atom.names
index eba1d0fa23..c2f32ba089 100644
--- a/erts/emulator/beam/atom.names
+++ b/erts/emulator/beam/atom.names
@@ -139,6 +139,7 @@ atom caseless
atom catchlevel
atom cd
atom cdr
+atom cflags
atom characters_to_binary_int
atom characters_to_list_int
atom clear
@@ -150,6 +151,7 @@ atom compact
atom compat_rel
atom compile
atom compressed
+atom config_h
atom connect
atom connected
atom connection_closed
@@ -301,6 +303,7 @@ atom label
atom large_heap
atom last_calls
atom latin1
+atom ldflags
atom Le='=<'
atom lf
atom line
diff --git a/erts/emulator/beam/erl_bif_info.c b/erts/emulator/beam/erl_bif_info.c
index e4fbd21c0e..673dfc658c 100755
--- a/erts/emulator/beam/erl_bif_info.c
+++ b/erts/emulator/beam/erl_bif_info.c
@@ -30,6 +30,7 @@
#include "bif.h"
#include "big.h"
#include "erl_version.h"
+#include "erl_compile_flags.h"
#include "erl_db_util.h"
#include "erl_message.h"
#include "erl_binary.h"
@@ -2610,6 +2611,31 @@ BIF_RETTYPE system_info_1(BIF_ALIST_1)
BIF_RET(am_true);
}
#endif
+ else if (ERTS_IS_ATOM_STR("compile_info",BIF_ARG_1)) {
+ Uint sz;
+ Eterm res = NIL, tup, text;
+ Eterm *hp = HAlloc(BIF_P, 3*(2 + 3) + /* three 2-tuples and three cons */
+ 2*(strlen(erts_build_flags_CONFIG_H) +
+ strlen(erts_build_flags_CFLAGS) +
+ strlen(erts_build_flags_LDFLAGS)));
+
+ sz = strlen(erts_build_flags_CONFIG_H);
+ text = buf_to_intlist(&hp, erts_build_flags_CONFIG_H, sz, NIL);
+ tup = TUPLE2(hp, am_config_h, text); hp += 3;
+ res = CONS(hp, tup, res); hp += 2;
+
+ sz = strlen(erts_build_flags_CFLAGS);
+ text = buf_to_intlist(&hp, erts_build_flags_CFLAGS, sz, NIL);
+ tup = TUPLE2(hp, am_cflags, text); hp += 3;
+ res = CONS(hp, tup, res); hp += 2;
+
+ sz = strlen(erts_build_flags_LDFLAGS);
+ text = buf_to_intlist(&hp, erts_build_flags_LDFLAGS, sz, NIL);
+ tup = TUPLE2(hp, am_ldflags, text); hp += 3;
+ res = CONS(hp, tup, res); hp += 2;
+
+ BIF_RET(res);
+ }
BIF_ERROR(BIF_P, BADARG);
}
diff --git a/erts/emulator/beam/global.h b/erts/emulator/beam/global.h
index 8fc05c085e..2a3a45f717 100755
--- a/erts/emulator/beam/global.h
+++ b/erts/emulator/beam/global.h
@@ -943,7 +943,7 @@ char* Sint_to_buf(Sint, struct Sint_buf*);
#define ERTS_IOLIST_OVERFLOW 1
#define ERTS_IOLIST_TYPE 2
-Eterm buf_to_intlist(Eterm**, char*, size_t, Eterm); /* most callers pass plain char*'s */
+Eterm buf_to_intlist(Eterm**, const char*, size_t, Eterm); /* most callers pass plain char*'s */
#define ERTS_IOLIST_TO_BUF_OVERFLOW (~((ErlDrvSizeT) 0))
#define ERTS_IOLIST_TO_BUF_TYPE_ERROR (~((ErlDrvSizeT) 1))
diff --git a/erts/emulator/beam/utils.c b/erts/emulator/beam/utils.c
index 84deaecb87..bd2be7afca 100644
--- a/erts/emulator/beam/utils.c
+++ b/erts/emulator/beam/utils.c
@@ -2983,7 +2983,7 @@ char* Sint_to_buf(Sint n, struct Sint_buf *buf)
*/
Eterm
-buf_to_intlist(Eterm** hpp, char *buf, size_t len, Eterm tail)
+buf_to_intlist(Eterm** hpp, const char *buf, size_t len, Eterm tail)
{
Eterm* hp = *hpp;
size_t i = len;
diff --git a/erts/emulator/utils/make_compiler_flags b/erts/emulator/utils/make_compiler_flags
new file mode 100755
index 0000000000..cebe8cd0c5
--- /dev/null
+++ b/erts/emulator/utils/make_compiler_flags
@@ -0,0 +1,87 @@
+#!/usr/bin/env perl
+#
+# %CopyrightBegin%
+#
+# Copyright Ericsson AB 1999-2009. All Rights Reserved.
+#
+# The contents of this file are subject to the Erlang Public License,
+# Version 1.1, (the "License"); you may not use this file except in
+# compliance with the License. You should have received a copy of the
+# Erlang Public License along with this software. If not, it can be
+# retrieved online at http://www.erlang.org/.
+#
+# Software distributed under the License is distributed on an "AS IS"
+# basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+# the License for the specific language governing rights and limitations
+# under the License.
+#
+# %CopyrightEnd%
+#
+use strict;
+use File::Copy;
+# This program generates global constants that contains
+# config.h, CFLAGS and LDFLAGS
+
+my $file = "";
+my %constants = ();
+my $prev_file = "";
+
+while (@ARGV) {
+ my $d = shift;
+ if ( $d =~ /^-o$/ ) {
+ $file = shift or die("-o requires argument");
+ open FILE, "<$file" or next;
+ $prev_file = do { local $/; <FILE> };
+ close FILE;
+ next;
+ }
+ if ( $d =~ /^-f/ ) {
+ my $var = shift or die("-f requires two argument");
+ my $value = shift or die("-f requires two argument");
+ open FILE, "<$value";
+ $value = do { local $/; <FILE> };
+ close FILE;
+
+ $value =~ s/\n/\\n\\\n/g;
+
+ $constants{$var} = $value;
+ }
+ if ( $d =~ /^-v/ ) {
+ my $var = shift or die("-v requires two argument");
+ my $value = shift;
+ $constants{$var} = $value;
+ }
+}
+
+foreach(keys %constants) {
+ my $value = $constants{$_};
+ $value =~ s/"/\\"/g;
+ $constants{$_} = $value
+}
+
+# Did we want output to a file?
+open(my $oldout, ">&STDOUT") or die "Can't dup STDOUT: $!";
+if ( $file ) {
+ open STDOUT, ">$file.tmp" or die("can't open $file for writing");
+}
+
+my(@prog) = split('/', $0);
+my($prog) = $prog[$#prog];
+print "/* Warning: Do not edit this file.\n";
+print " Auto-generated by '$prog'.*/\n";
+
+foreach(keys %constants) {
+ print "const char* erts_build_flags_$_ = \"$constants{$_}\";\n"
+}
+
+open(STDOUT, ">&", $oldout) or die "Can't dup \$oldout: $!";
+
+open FILE, "<$file.tmp";
+my $new_file = do { local $/; <FILE> };
+close FILE;
+
+if ($new_file ne $prev_file) {
+ move("$file.tmp","$file");
+} else {
+ unlink("$file.tmp");
+}