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AC_DEFUN([SING_SHOW_FLAGS], [
echo "/* --------------- $1 --------------- */";
AC_MSG_CHECKING([ CFLAGS?..])
AC_MSG_RESULT(${CFLAGS:-unset})
AC_MSG_CHECKING([CXXFLAGS?..])
AC_MSG_RESULT(${CXXFLAGS:-unset})
AC_MSG_CHECKING([CPPFLAGS?..])
AC_MSG_RESULT(${CPPFLAGS:-unset})
AC_MSG_CHECKING([ DEFS?..])
AC_MSG_RESULT(${DEFS:-unset})
AC_MSG_CHECKING([ LDFLAGS?..])
AC_MSG_RESULT(${LDFLAGS:-unset})
AC_MSG_CHECKING([ LIBS?..])
AC_MSG_RESULT(${LIBS:-unset})
AC_MSG_CHECKING([ GCC?..])
AC_MSG_RESULT(${GCC:-unset})
AC_MSG_CHECKING([ CC?..])
AC_MSG_RESULT(${CC:-unset})
AC_MSG_CHECKING([ GXX?..])
AC_MSG_RESULT(${GXX:-unset})
AC_MSG_CHECKING([ CXX?..])
AC_MSG_RESULT(${CXX:-unset})
# echo "/* =============== $1 =============== */";
])
AC_DEFUN([SING_RESET_FLAGS], [
AC_MSG_WARN([Please note that we set empty defaults for \`CFLAGS' and \`CXXFLAGS' (instead of \`-g -O')])
: ${CFLAGS:=""}
: ${CXXFLAGS:=""}
])
AC_DEFUN([SING_CHECK_SET_ARGS], [
# SING_SHOW_FLAGS([Initial state?...])dnl
AC_ARG_ENABLE([debug],
AS_HELP_STRING([--enable-debug], [build the debugging version of the libraries]),
[ENABLE_DEBUG="$enableval"], [ENABLE_DEBUG=""])
AC_MSG_CHECKING([debugging checks should be embedded])
if test "x${ENABLE_DEBUG}" != xyes; then
AC_MSG_RESULT([no])
else
AC_MSG_RESULT([yes])
fi
AC_ARG_ENABLE([optimizationflags],
AS_HELP_STRING([--disable-optimizationflags], [build the without default optimization flags]),
[ENABLE_OPTIMIZATION="$enableval"], [ENABLE_OPTIMIZATION="yeah"])
if test "x${ENABLE_DEBUG}" = xyes; then
SINGULAR_CFLAGS=""
if test "x${ENABLE_OPTIMIZATION}" = xyeah; then
ENABLE_OPTIMIZATION="no"
AC_MSG_WARN([Please note that we disable implicit (default) optimization flags since you have enabled the debug flags... ])
fi
else
SINGULAR_CFLAGS="-DSING_NDEBUG -DOM_NDEBUG"
# for now let '-DSING_NDEBUG -DOM_NDEBUG' be here...
AC_DEFINE([OM_NDEBUG],1,"Disable OM Debug")
AC_DEFINE([SING_NDEBUG],1,"Disable Singular Debug")
fi
if test "x${ENABLE_OPTIMIZATION}" = xyeah; then
ENABLE_OPTIMIZATION="yes"
fi
if test "x${ENABLE_OPTIMIZATION}" = xyes; then
if test "x${ENABLE_DEBUG}" = xyes; then
AC_MSG_WARN([Please note that you will be using our optimization flags together with debug flags... ])
fi
fi
AC_MSG_CHECKING([whether optimization flags should be used])
if test "x${ENABLE_OPTIMIZATION}" = xyes; then
AC_MSG_RESULT([yes])
else
AC_MSG_RESULT([no])
fi
AM_CONDITIONAL(WANT_DEBUG, test x"${ENABLE_DEBUG}" = xyes)
AM_CONDITIONAL(WANT_OPTIMIZATIONFLAGS, test x"${ENABLE_OPTIMIZATION}" = xyes)
AC_DEFINE_UNQUOTED([SINGULAR_CFLAGS],"$SINGULAR_CFLAGS",[SINGULAR_CFLAGS])
AC_SUBST(SINGULAR_CFLAGS)
# SING_SHOW_FLAGS([checking flags....])
FLAGS="-pipe -fno-common"
AC_LANG_PUSH([C])
AX_APPEND_COMPILE_FLAGS(${FLAGS}, [CFLAGS])
AC_LANG_POP([C])
AC_LANG_PUSH([C++])
AX_APPEND_COMPILE_FLAGS(${FLAGS}, [CXXFLAGS])
# separate parts of Singular have to be real C++ :)
FFLAGS="-fexceptions -frtti"
AX_APPEND_COMPILE_FLAGS(${FFLAGS}, [FEXCEPTIONSFRTTI_CXXFLAGS])
AC_SUBST(FEXCEPTIONSFRTTI_CXXFLAGS)
AC_LANG_POP([C++])
AX_APPEND_LINK_FLAGS(${FLAGS})
if test "x${ENABLE_DEBUG}" = xyes; then
DBGFLAGS="-g -ftrapv -fdiagnostics-show-option -Wall -Wextra -fno-delete-null-pointer-checks"
# -pedantic too strict ??? -Wvla -Wno-long-long ???
AC_LANG_PUSH([C])
AX_APPEND_COMPILE_FLAGS(${DBGFLAGS}, [CFLAGS])
AC_LANG_POP([C])
AC_LANG_PUSH([C++])
AX_APPEND_COMPILE_FLAGS(${DBGFLAGS}, [CXXFLAGS])
AC_LANG_POP([C++])
AX_APPEND_LINK_FLAGS(${DBGFLAGS})
fi
## for clang: -Wunneeded-internal-declaration
if test "x${ENABLE_OPTIMIZATION}" != xno; then
OPTFLAGS="-g -O3 -Wno-unused-function -Wno-trigraphs -Wno-unused-parameter -Wunknown-pragmas -Wno-unused-variable -fomit-frame-pointer -fwrapv -fvisibility=default -finline-functions -fno-exceptions -fno-threadsafe-statics -fno-enforce-eh-specs -fconserve-space -funroll-loops -fno-delete-null-pointer-checks"
# -O3 - crashes gcc???!!!
# -fpermissive
AC_LANG_PUSH([C])
AX_APPEND_COMPILE_FLAGS(${OPTFLAGS}, [CFLAGS])
AC_LANG_POP([C])
AC_LANG_PUSH([C++])
AX_APPEND_COMPILE_FLAGS(${OPTFLAGS}, [CXXFLAGS])
AX_APPEND_COMPILE_FLAGS([-fno-rtti], [CXXFLAGS])
# AX_APPEND_COMPILE_FLAGS([-fno-threadsafe-statics -fno-enforce-eh-specs -fconserve-space], [CXXFLAGS])
### AX_APPEND_COMPILE_FLAGS([-fno-implicit-templates], [CXXFLAGS]) # problems due to STL
AC_LANG_POP([C++])
AX_APPEND_LINK_FLAGS(${OPTFLAGS})
# AX_APPEND_LINK_FLAGS([-fno-threadsafe-statics -fno-enforce-eh-specs -fconserve-space])
### AX_APPEND_LINK_FLAGS([-fno-implicit-templates]) # see above :(
# AX_APPEND_LINK_FLAGS([ ])
fi
FLAGS2="-Qunused-arguments"
AC_LANG_PUSH([C])
AX_APPEND_COMPILE_FLAGS(${FLAGS2}, [CFLAGS])
AC_LANG_POP([C])
AC_LANG_PUSH([C++])
AX_APPEND_COMPILE_FLAGS(${FLAGS2}, [CXXFLAGS])
AC_LANG_POP([C++])
AX_APPEND_LINK_FLAGS(${FLAGS2})
# SING_SHOW_FLAGS([before PROG_C_CC])
AC_PROG_CC
AC_PROG_CXX
])
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