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cmake: add --divide to GNU assembler options for x86

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GNU Assembler, by default on non-Linux targets, treats slashes as
start of comments on i386.
(https://sourceware.org/binutils/docs-2.33.1/as/i386_002dChars.html#i386_002dChars)
In order to use division, `--divide` needs to be passed to
the assembler.

Signed-off-by: Daniel Leung <daniel.leung@intel.com>
This commit is contained in:
Daniel Leung 2019-10-29 12:58:07 -07:00 • committed by Andrew Boie
commit 7308fdc3c7
1 changed files with 7 additions and 0 deletions
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7
cmake/compiler/gcc/target_x86.cmake
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@ -9,3 +9,10 @@ else()
string(PREPEND CMAKE_C_FLAGS "-m32 ") string(PREPEND CMAKE_C_FLAGS "-m32 ")
string(PREPEND CMAKE_CXX_FLAGS "-m32 ") string(PREPEND CMAKE_CXX_FLAGS "-m32 ")
endif() endif()
# GNU Assembler, by default on non-Linux targets, treats slashes as
# start of comments on i386.
# (https://sourceware.org/binutils/docs-2.33.1/as/i386_002dChars.html#i386_002dChars)
# In order to use division, `--divide` needs to be passed to
# the assembler.
list(APPEND TOOLCHAIN_C_FLAGS -Wa,--divide)