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BUILD: enable poll() by default in the makefile

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This allows to build haproxy for unknown targets and still have poll().
If for any reason a target does not support it, just passing USE_POLL=""
disables it.
This commit is contained in:
Willy Tarreau 2013-04-02 08:14:29 +02:00
parent d655ffe863
commit 32e65ef625
2 changed files with 12 additions and 2 deletions
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5
Makefile
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@ -192,7 +192,10 @@ LDFLAGS = $(ARCH_FLAGS) -g
# Depending on the target platform, some options are set, as well as some # Depending on the target platform, some options are set, as well as some
# CFLAGS and LDFLAGS. The USE_* values are set to "implicit" so that they are # CFLAGS and LDFLAGS. The USE_* values are set to "implicit" so that they are
# not reported in the build options string. You should not have to change # not reported in the build options string. You should not have to change
# anything there. # anything there. poll() is always supported, unless explicitly disabled by
# passing USE_POLL="" on the make command line.
USE_POLL = default
ifeq ($(TARGET),generic) ifeq ($(TARGET),generic)
# generic system target has nothing specific # generic system target has nothing specific
USE_POLL = implicit USE_POLL = implicit

9
README
View File

@ -12,7 +12,7 @@
To build haproxy, you will need : To build haproxy, you will need :
- GNU make. Neither Solaris nor OpenBSD's make work with the GNU Makefile. - GNU make. Neither Solaris nor OpenBSD's make work with the GNU Makefile.
However, specific Makefiles for BSD and OSX are provided. However, specific Makefiles for BSD and OSX are provided.
- GCC between 2.91 and 4.5.0. Others may work, but not tested. - GCC between 2.91 and 4.7. Others may work, but not tested.
- GNU ld - GNU ld
Also, you might want to build with libpcre support, which will provide a very Also, you might want to build with libpcre support, which will provide a very
@ -138,6 +138,13 @@ otherwise __fd_select() will be used while not being present in the libc.
If you get build errors because of strange symbols or section mismatches, If you get build errors because of strange symbols or section mismatches,
simply remove -g from DEBUG_CFLAGS. simply remove -g from DEBUG_CFLAGS.
You can easily define your own target with the GNU Makefile. Unknown targets
are processed with no default option except USE_POLL=default. So you can very
well use that property to define your own set of options. USE_POLL can even be
disabled by setting USE_POLL="". For example :
$ gmake TARGET=tiny USE_POLL="" TARGET_CFLAGS=-fomit-frame-pointer
2) How to install it 2) How to install it
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