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Problem: compiler flags passed to preprocessor in autoconf

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Solution: use CXXFLAGS for compiler flags and CPPFLAGS for preprocessor
flags.
This commit is contained in:
Luca Boccassi 2018-11-09 18:54:08 +00:00
parent 79f65b43cf
commit f215e13a71
1 changed files with 7 additions and 5 deletions
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12
configure.ac
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@ -158,7 +158,8 @@ libzmq_on_gnu="no"
libzmq_on_debian_kfreebsd="no"
# Set some default features required by ZeroMQ code
CPPFLAGS="-D_REENTRANT -D_THREAD_SAFE -Wno-long-long $CPPFLAGS"
CPPFLAGS="-D_REENTRANT -D_THREAD_SAFE $CPPFLAGS"
CXXFLAGS="-Wno-long-long $CXXFLAGS"
# Will be used to add flags to pkg-config useful when apps want to statically link
PKGCFG_LIBS_PRIVATE=""
@ -188,7 +189,8 @@ case "${host_os}" in
;;
*solaris*)
# Define on Solaris to enable all library features
CPPFLAGS="-Wno-sign-compare -D_PTHREADS $CPPFLAGS"
CPPFLAGS="-D_PTHREADS $CPPFLAGS"
CXXFLAGS="-Wno-sign-compare $CXXFLAGS"
AC_DEFINE(ZMQ_HAVE_SOLARIS, 1, [Have Solaris OS])
AC_CHECK_LIB(socket, socket)
AC_CHECK_LIB(nsl, gethostbyname)
@ -602,14 +604,14 @@ AM_CONDITIONAL(HAVE_VMCI, test "x$have_vmci_ext" != "xno")
AC_LANG_PUSH([C++])
# Check how to enable -Wall
LIBZMQ_LANG_WALL([CPPFLAGS="$libzmq_cv_[]_AC_LANG_ABBREV[]_wall_flag $CPPFLAGS"])
LIBZMQ_LANG_WALL([CXXFLAGS="$libzmq_cv_[]_AC_LANG_ABBREV[]_wall_flag $CXXFLAGS"])
if test "x$libzmq_werror" = "xyes" -a "x$libzmq_cv_[]_AC_LANG_ABBREV[]_sun_studio_compiler" != "xyes"; then
LIBZMQ_LANG_WERROR([CPPFLAGS="$libzmq_cv_[]_AC_LANG_ABBREV[]_werror_flag $CPPFLAGS"])
LIBZMQ_LANG_WERROR([CXXFLAGS="$libzmq_cv_[]_AC_LANG_ABBREV[]_werror_flag $CXXFLAGS"])
fi
if test "x$libzmq_pedantic" = "xyes"; then
LIBZMQ_LANG_STRICT([CPPFLAGS="$libzmq_cv_[]_AC_LANG_ABBREV[]_strict_flag $CPPFLAGS"])
LIBZMQ_LANG_STRICT([CXXFLAGS="$libzmq_cv_[]_AC_LANG_ABBREV[]_strict_flag $CXXFLAGS"])
fi
AC_LANG_POP([C++])