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Makefile: enable compilation of ACPICA tools as 32-bit programs

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This is to facilitate compiling ACPICA tools as 32-bit programs on 64-bit machines.

To build as 32 bit programs, set the M32 variable to true when running make

Example: make M32=TRUE

Note: if the above results in a compilation error, there is a possibility
that 32-bit libraries may not be installed. If this is the case, run the
following command (on Ubuntu compiling with gcc)

    sudo apt-get install g++-multilib libc6-dev-i386

and run make again.

Signed-off-by: Erik Schmauss <erik.schmauss@intel.com>
This commit is contained in:
Erik Schmauss 2017-03-01 14:20:23 -08:00
parent c1889cb571
commit 7dae4d8797
1 changed files with 9 additions and 0 deletions
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generate/unix/Makefile.config
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@ -147,6 +147,15 @@ ACPICA_HEADERS = \
#
OPT_CFLAGS ?= $(CWARNINGFLAGS)
#
# Common compiler flags
# The _GNU_SOURCE symbol is required for many hosts.
#
ifeq ($(M32),TRUE)
CFLAGS +=-m32
LDFLAGS +=-m32
endif
#
# Optionally disable optimizations. Optimization causes problems on
# some compilers such as gcc 4.4