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https://github.com/moparisthebest/curl
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Moved most of the set-debug-options-depending-on-compiler logic to the new
CURL_CC_DEBUG_OPTS function in acinclude.m4
This commit is contained in:
Daniel Stenberg
parent
be62b27ce2
commit
4fa58560bf
86
acinclude.m4
86
acinclude.m4
@ -475,3 +475,89 @@ if test "$ac_cv_func_gethostbyname_r" = "yes"; then
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fi
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fi
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])
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dnl We create a function for detecting which compiler we use and then set as
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dnl pendantic compiler options as possible for that particular compiler. The
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dnl options are only used for debug-builds.
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AC_DEFUN([CURL_CC_DEBUG_OPTS],
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[
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if test "$GCC" = "yes"; then
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dnl figure out gcc version!
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AC_MSG_CHECKING([gcc version])
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gccver=`$CC -dumpversion`
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num1=`echo $gccver | cut -d . -f1`
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num2=`echo $gccver | cut -d . -f2`
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gccnum=`(expr $num1 "*" 100 + $num2) 2>/dev/null`
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AC_MSG_RESULT($gccver)
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AC_MSG_CHECKING([if this is icc in disguise])
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AC_EGREP_CPP([^__ICC], [__ICC],
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dnl action if the text is found, this it has not been replaced by the
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dnl cpp
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[ICC="no"]
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AC_MSG_RESULT([no]),
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dnl the text was not found, it was replaced by the cpp
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[ICC="yes"]
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AC_MSG_RESULT([yes])
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)
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if test "$ICC" = "yes"; then
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dnl this is icc, not gcc.
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WARN = ""
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else dnl $ICC = yes
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dnl
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WARN="-W -Wall -Wwrite-strings -pedantic -Wno-long-long -Wundef -Wpointer-arith -Wnested-externs -Winline -Wmissing-declarations -Wmissing-prototypes -Wsign-compare"
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dnl -Wcast-align is a bit too annoying ;-)
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if test "$gccnum" -ge "296"; then
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dnl gcc 2.96 or later
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WARN="$WARN -Wfloat-equal"
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if test "$gccnum" -gt "296"; then
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dnl this option does not exist in 2.96
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WARN="$WARN -Wno-format-nonliteral"
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fi
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dnl -Wunreachable-code seems totally unreliable on my gcc 3.3.2 on
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dnl on i686-Linux as it gives us heaps with false positives
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if test "$gccnum" -ge "303"; then
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dnl gcc 3.3 and later
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WARN="$WARN -Wendif-labels -Wstrict-prototypes"
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fi
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fi
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NEWFLAGS=""
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for flag in $CPPFLAGS; do
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case "$flag" in
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-I*)
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dnl include path
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add=`echo $flag | sed 's/^-I/-isystem /g'`
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NEWFLAGS="$NEWFLAGS $add"
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;;
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esac
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done
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CFLAGS="$CFLAGS $WARN $NEWFLAGS"
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fi dnl $ICC = no
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fi dnl $GCC = yes
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dnl strip off optimizer flags
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NEWFLAGS=""
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for flag in $CFLAGS; do
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case "$flag" in
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-O*)
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dnl echo "cut off $flag"
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;;
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*)
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NEWFLAGS="$NEWFLAGS $flag"
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;;
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esac
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done
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CFLAGS=$NEWFLAGS
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]) dnl end of AC_DEFUN()
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70
configure.ac
70
configure.ac
@ -1188,72 +1188,14 @@ AC_HELP_STRING([--disable-debug],[Disable debug options]),
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*) AC_MSG_RESULT(yes)
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CPPFLAGS="$CPPFLAGS -DCURLDEBUG"
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CFLAGS="$CFLAGS -g"
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if test "$GCC" = "yes"; then
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CFLAGS="$CFLAGS -g"
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dnl figure out gcc version!
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AC_MSG_CHECKING([gcc version])
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gccver=`$CC -dumpversion`
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num1=`echo $gccver | cut -d . -f1`
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num2=`echo $gccver | cut -d . -f2`
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gccnum=`(expr $num1 "*" 100 + $num2) 2>/dev/null`
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AC_MSG_RESULT($gccver)
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if test "$gccnum" -lt "500"; then
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dnl we only like gcc less than 5.0, since if it is above that it is
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dnl likely just a compiler that looks like gcc (like icc 8.0)!
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dnl here's the standard setup
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WARN="-W -Wall -Wwrite-strings -pedantic -Wno-long-long -Wundef -Wpointer-arith -Wnested-externs -Winline -Wmissing-declarations -Wmissing-prototypes -Wsign-compare"
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dnl -Wcast-align is a bit too annoying ;-)
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if test "$gccnum" -ge "296"; then
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dnl gcc 2.96 or later
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WARN="$WARN -Wfloat-equal"
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if test "$gccnum" -gt "296"; then
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dnl this option does not exist in 2.96
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WARN="$WARN -Wno-format-nonliteral"
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fi
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dnl -Wunreachable-code seems totally unreliable on my gcc 3.3.2 on
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dnl on i686-Linux as it gives us heaps with false positives
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if test "$gccnum" -ge "303"; then
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dnl gcc 3.3 and later
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WARN="$WARN -Wendif-labels -Wstrict-prototypes"
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fi
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fi
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NEWFLAGS=""
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for flag in $CPPFLAGS; do
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case "$flag" in
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-I*)
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dnl include path
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add=`echo $flag | sed 's/^-I/-isystem /g'`
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NEWFLAGS="$NEWFLAGS $add"
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;;
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esac
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done
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CFLAGS="$CFLAGS $WARN $NEWFLAGS"
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fi
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fi
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dnl strip off optimizer flags
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NEWFLAGS=""
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for flag in $CFLAGS; do
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case "$flag" in
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-O*)
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dnl echo "cut off $flag"
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;;
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*)
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NEWFLAGS="$NEWFLAGS $flag"
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;;
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esac
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done
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CFLAGS=$NEWFLAGS
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dnl set compiler "debug" options to become more picky, and remove
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dnl optimize options from CFLAGS
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CURL_CC_DEBUG_OPTS
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;;
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esac ],
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esac
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],
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AC_MSG_RESULT(no)
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)
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