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build: Ensure no optimization when building for coverage analysis #1243

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Mar 21, 2023
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build: Ensure no optimization when building for coverage analysis #1243

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11 changes: 11 additions & 0 deletions configure.ac
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Original file line number Diff line number Diff line change
Expand Up @@ -29,6 +29,11 @@ AM_INIT_AUTOMAKE([1.11.2 foreign subdir-objects])
# Make the compilation flags quiet unless V=1 is used.
m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])

if test "${CFLAGS+set}" = "set"; then
CFLAGS_overridden=yes
else
CFLAGS_overridden=no
fi
AC_PROG_CC
AM_PROG_AS
AM_PROG_AR
Expand Down Expand Up @@ -241,6 +246,12 @@ fi
if test x"$enable_coverage" = x"yes"; then
SECP_CONFIG_DEFINES="$SECP_CONFIG_DEFINES -DCOVERAGE=1"
SECP_CFLAGS="-O0 --coverage $SECP_CFLAGS"
# If coverage is enabled, and the user has not overridden CFLAGS,
# override Autoconf's value "-g -O2" with "-g". Otherwise we'd end up
# with "-O0 --coverage -g -O2".
if test "$CFLAGS_overridden" = "no"; then
CFLAGS="-g"
fi
LDFLAGS="--coverage $LDFLAGS"
else
# Most likely the CFLAGS already contain -O2 because that is autoconf's default.
Expand Down