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configure.ac: Fix CFLAGS settings. 

Don't override/overwrite CFLAGS in configure.ac, but rather amend it
with (currently) "-Wall -Wextra -fvisibility=hidden".

This properly allows users/packagers to do things like:

 ./configure (this will default to using "-g -O2" additionally)

 CFLAGS="-g -O2" ./configure (same as above)

 CFLAGS="" ./configure (no additional flags)

 CFLAGS="-g -O0" ./configure (disable optimization, e.g. for valgrind use)

 etc. etc.
This commit is contained in:
Uwe Hermann 2012-12-28 11:22:16 +01:00
parent 1476661970
commit bdd7618cd1
1 changed files with 1 additions and 1 deletions
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2
configure.ac
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@ -44,7 +44,7 @@ AH_BOTTOM([#endif /* SR_CONFIG_H */])
# Enable more compiler warnings via -Wall and -Wextra. Add -fvisibility=hidden
# and enforce use of SR_API to explicitly mark all public API functions.
CFLAGS="-g -Wall -Wextra -fvisibility=hidden"
CFLAGS="$CFLAGS -Wall -Wextra -fvisibility=hidden"
# Checks for programs.
AC_PROG_CXX