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[BUILD] add the USE_GETADDRINFO build option

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This one is used to call getaddrinfo() to resolve IPv6 host names.
This commit is contained in:
Willy Tarreau 2011-03-23 20:00:53 +01:00
parent d5f4328efd
commit 64bc40b654
4 changed files with 21 additions and 0 deletions
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8
Makefile
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@ -23,6 +23,7 @@
# USE_LIBCRYPT : enable crypted passwords using -lcrypt # USE_LIBCRYPT : enable crypted passwords using -lcrypt
# USE_CRYPT_H : set it if your system requires including crypt.h # USE_CRYPT_H : set it if your system requires including crypt.h
# USE_VSYSCALL : enable vsyscall on Linux x86, bypassing libc # USE_VSYSCALL : enable vsyscall on Linux x86, bypassing libc
# USE_GETADDRINFO : use getaddrinfo() to resolve IPv6 host names.
# #
# Options can be forced by specifying "USE_xxx=1" or can be disabled by using # Options can be forced by specifying "USE_xxx=1" or can be disabled by using
# "USE_xxx=" (empty string). # "USE_xxx=" (empty string).
@ -215,12 +216,14 @@ ifeq ($(TARGET),linux26)
else else
ifeq ($(TARGET),solaris) ifeq ($(TARGET),solaris)
# This is for Solaris 8 # This is for Solaris 8
# We also enable getaddrinfo() which works since solaris 8.
USE_POLL = implicit USE_POLL = implicit
TARGET_CFLAGS = -fomit-frame-pointer -DFD_SETSIZE=65536 -D_REENTRANT TARGET_CFLAGS = -fomit-frame-pointer -DFD_SETSIZE=65536 -D_REENTRANT
TARGET_LDFLAGS = -lnsl -lsocket TARGET_LDFLAGS = -lnsl -lsocket
USE_TPROXY = implicit USE_TPROXY = implicit
USE_LIBCRYPT = implicit USE_LIBCRYPT = implicit
USE_CRYPT_H = implicit USE_CRYPT_H = implicit
USE_GETADDRINFO = implicit
else else
ifeq ($(TARGET),freebsd) ifeq ($(TARGET),freebsd)
# This is for FreeBSD # This is for FreeBSD
@ -354,6 +357,11 @@ OPTIONS_CFLAGS += -DNEED_CRYPT_H
BUILD_OPTIONS += $(call ignore_implicit,USE_CRYPT_H) BUILD_OPTIONS += $(call ignore_implicit,USE_CRYPT_H)
endif endif
ifneq ($(USE_GETADDRINFO),)
OPTIONS_CFLAGS += -DUSE_GETADDRINFO
BUILD_OPTIONS += $(call ignore_implicit,USE_GETADDRINFO)
endif
ifneq ($(USE_POLL),) ifneq ($(USE_POLL),)
OPTIONS_CFLAGS += -DENABLE_POLL OPTIONS_CFLAGS += -DENABLE_POLL
OPTIONS_OBJS += src/ev_poll.o OPTIONS_OBJS += src/ev_poll.o

1
Makefile.bsd
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@ -77,6 +77,7 @@ OPT_OBJS =
# set some defines when needed. # set some defines when needed.
# Known ones are -DENABLE_POLL # Known ones are -DENABLE_POLL
# - use -DTPROXY to compile with transparent proxy support. # - use -DTPROXY to compile with transparent proxy support.
# - use -DUSE_GETADDRINFO to use of getaddrinfo() to resolve IPv6 host names
DEFINE = -DTPROXY DEFINE = -DTPROXY
# May be changed to patch PAGE_SIZE on every platform when using dlmalloc # May be changed to patch PAGE_SIZE on every platform when using dlmalloc

1
Makefile.osx
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@ -77,6 +77,7 @@ ADDLIB =
# set some defines when needed. # set some defines when needed.
# Known ones are -DENABLE_POLL # Known ones are -DENABLE_POLL
# - use -DTPROXY to compile with transparent proxy support. # - use -DTPROXY to compile with transparent proxy support.
# - use -DUSE_GETADDRINFO to use of getaddrinfo() to resolve IPv6 host names
DEFINE = -DTPROXY DEFINE = -DTPROXY
# May be changed to patch PAGE_SIZE on every platform when using dlmalloc # May be changed to patch PAGE_SIZE on every platform when using dlmalloc

11
README
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@ -70,6 +70,17 @@ install it on target systems. Available build options for PCRE are :
Warning! group references on Solaris seem broken. Use static-pcre whenever Warning! group references on Solaris seem broken. Use static-pcre whenever
possible. possible.
Recent systems can resolve IPv6 host names using getaddrinfo(). This primitive
is not present in all libcs and does not work in all of them either. Support in
glibc was broken before 2.3. Some embedded libs may not properly work either,
thus, support is disabled by default, meaning that some host names which only
resolve as IPv6 addresses will not resolve and configs might emit an error
during parsing. If you know that your OS libc has reliable support for
getaddrinfo(), you can add USE_GETADDRINFO=1 on the make command line to enable
it. This is the recommended option for most Linux distro packagers since it's
working fine on all recent mainstream distros. It is automatically enabled on
Solaris 8 and above, as it's known to work.
By default, the DEBUG variable is set to '-g' to enable debug symbols. It is By default, the DEBUG variable is set to '-g' to enable debug symbols. It is
not wise to disable it on uncommon systems, because it's often the only way to not wise to disable it on uncommon systems, because it's often the only way to
get a complete core when you need one. Otherwise, you can set DEBUG to '-s' to get a complete core when you need one. Otherwise, you can set DEBUG to '-s' to