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configure: Support ABIGAIL_NO_OPTIMIZATION_DEBUG environment variable

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When working in development environments with compiler versions that
might be very bleeding edge (like the Fedora Rawhide distribution) it
might be worthwhile to disable all compiler optimization to have a
better debugging experience.  In practice, I bumped into this need
again and again.

So I am adding this ABIGAIL_NO_OPTIMIZATION_DEBUG environment variable
to basically allow the "-g -O0" combination, if need be.

This patch obviously doesn't change any existing behaviour if the user
doesn't set this newly introduced environment variable.

	* configure.ac: Set the CXXFLAGS and CFLAGS to "-g -O0 -Wall
	-Wextra -Werror" if the ABIGAIL_NO_OPTIMIZATION_DEBUG is set.

Signed-off-by: Dodji Seketeli <dodji@redhat.com>
This commit is contained in:
Dodji Seketeli 2020-10-13 18:15:05 +02:00
parent 470e10ff52
commit 8d7ffe3d06
1 changed files with 5 additions and 0 deletions
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5
configure.ac
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@ -626,6 +626,11 @@ if test x$ABIGAIL_DEBUG != x; then
CXXFLAGS="$CXXFLAGS -Og -g3 -ggdb"
fi
if test x$ABIGAIL_NO_OPTIMIZATION_DEBUG != x; then
CFLAGS="-g -O0 -Wall -Wextra -Werror"
CXXFLAGS="-g -O0 -Wall -Wextra -Werror"
fi
if test x$ENABLE_ASAN = xyes; then
CFLAGS="$CFLAGS -fsanitize=address"
CXXFLAGS="$CXXFLAGS -fsanitize=address"