-
Notifications
You must be signed in to change notification settings - Fork 2
/
Makefile
100 lines (81 loc) · 3.26 KB
/
Makefile
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
# This spoofs the build host for both 32- and 64-bit applications
default: testrpm
# To use:
# 1. Add libmyhostname as a target that calls rpmbuild
# 2. Add "myhostnameclean" as a target to your "clean"
# 3. Call rpmbuild or any other program with $(SPOOF_HOSTNAME) prefix
MYHOSTNAME_MNAME:=$(shell uname -m)
libmyhostname:=libmyhostname_$(MYHOSTNAME_MNAME).so
MYHOSTNAME_PWD:=$(shell pwd)
SPOOF_HOSTNAME:=LD_PRELOAD=$(MYHOSTNAME_PWD)/myhostname/\$$LIB/$(libmyhostname)
.PHONY: myhostnameclean
.SILENT: myhostnameclean
.IGNORE: myhostnameclean
myhostnameclean:
rm -rf myhostname
# Linux doesn't support explicit 32- vs. 64-bit LD paths like Solaris, but ld.so
# does accept a literal "$LIB" in the path to expand to lib vs lib64. So we need
# to make our own private library tree myhostname/lib{,64} to feed to rpmbuild.
.PHONY: libmyhostname
.SILENT: libmyhostname
libmyhostname: /usr/include/gnu/stubs-32.h /lib/libgcc_s.so.1
mkdir -p myhostname/lib{,64}
$(MAKE) -I $(MYHOSTNAME_PWD) -s --no-print-directory -C myhostname/lib -f $(MYHOSTNAME_PWD)/Makefile $(libmyhostname) MYHOSTARCH=32
$(MAKE) -I $(MYHOSTNAME_PWD) -s --no-print-directory -C myhostname/lib64 -f $(MYHOSTNAME_PWD)/Makefile $(libmyhostname) MYHOSTARCH=64
.SILENT: /usr/include/gnu/stubs-32.h /lib/libgcc_s.so.1
/usr/include/gnu/stubs-32.h:
echo "You need to install the 'glibc-devel.i686' package."
echo "'sudo yum install glibc-devel.i686' should do it for you."
false
/lib/libgcc_s.so.1:
echo "You need to install the 'libgcc.i686' package."
echo "'sudo yum install libgcc.i686' should do it for you."
false
.SILENT: libmyhostname $(libmyhostname) libmyhostname_$(MYHOSTNAME_MNAME).o libmyhostname_$(MYHOSTNAME_MNAME).c
$(libmyhostname): libmyhostname_$(MYHOSTNAME_MNAME).o
echo "Building $(MYHOSTARCH)-bit version of hostname spoofing library."
gcc -m$(MYHOSTARCH) -shared -o $@ $<
libmyhostname_$(MYHOSTNAME_MNAME).o: libmyhostname_$(MYHOSTNAME_MNAME).c
gcc -m$(MYHOSTARCH) -fPIC -rdynamic -g -c -Wall $<
libmyhostname_$(MYHOSTNAME_MNAME).c:
echo "$$libmyhostname_body" > $@
define libmyhostname_body
#include <asm/errno.h>
#include <netdb.h>
#include <string.h>
int gethostname(char *name, size_t len) {
const char *myhostname = "buildhost_$(MYHOSTNAME_MNAME).myprojectname.proj";
if (len < strlen(myhostname))
return EINVAL;
strcpy(name, myhostname);
return 0;
}
struct hostent *gethostbyname(const char *name) {
return NULL; /* Let it fail */
}
endef
export libmyhostname_body
## End of Recipe. Example Usage Code:
.PHONY: clean testrpm
.SILENT: clean testrpm
project?=myproject
version?=1.2
release?=3
RPM_TEMP?=$(CURDIR)/rpmbuild-tmpdir
clean: myhostnameclean
define do_build
rpmbuild -ba \
--define="_topdir $(RPM_TEMP)" \
--define="project_ $(project)" \
--define="version_ $(version)" \
--define="release_ $(release)" \
project.spec
cp -v --target-directory=. $(RPM_TEMP)/SRPMS/*.rpm $(RPM_TEMP)/RPMS/*/*.rpm
endef
testrpm: clean libmyhostname
$(do_build)
echo "Build hosts: (without spoof)"
rpm -qip $(project)-$(version)-$(release).src.rpm $(project)-$(version)-$(release).noarch.rpm | grep "Build Host"
$(SPOOF_HOSTNAME) $(do_build)
echo "Build hosts: (with spoof)"
rpm -qip $(project)-$(version)-$(release).src.rpm $(project)-$(version)-$(release).noarch.rpm | grep "Build Host"