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https://git.code.sf.net/p/quake/quakeforge
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make gcc 2.95 friendly (OpenBSD seems to still use it)
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parent
7ead5a91f8
commit
ce3accd4f1
2 changed files with 26 additions and 17 deletions
18
acinclude.m4
18
acinclude.m4
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@ -1155,3 +1155,21 @@ else
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done
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fi
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])
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AC_DEFUN(QF_CC_OPTION, [
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AC_MSG_CHECKING(whether $1 works)
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save_CFLAGS="$CFLAGS"
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CFLAGS="$CFLAGS $1"
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qf_opt_ok=no
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AC_TRY_COMPILE(
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[],
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[],
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qf_opt_ok=yes
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AC_MSG_RESULT(yes),
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AC_MSG_RESULT(no)
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)
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CFLAGS="$save_CFLAGS"
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if test "x$qf_opt_ok" = xyes; then
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CFLAGS="$CFLAGS $1"
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fi
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])
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25
configure.ac
25
configure.ac
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@ -1312,7 +1312,12 @@ if test "x$optimize" = xyes; then
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CC_SUB=$3
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IFS=" "
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AC_MSG_RESULT($CCVER)
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heavy="-O2 -frename-registers -finline-limit=32000 -ffast-math -funroll-loops -fomit-frame-pointer -fexpensive-optimizations"
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saved_cflags="$CFLAGS"
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CFLAGS=""
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QF_CC_OPTION(-frename-registers)
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QF_CC_OPTION(-finline-limit=32000 -Winline)
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heavy="-O2 $CFLAGS -ffast-math -funroll-loops -fomit-frame-pointer -fexpensive-optimizations"
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CFLAGS="$saved_cflags"
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light="-O2"
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AC_ARG_ENABLE(strict-aliasing,
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[ --enable-strict-aliasing enable the -fstrict-aliasing ooption of gcc])
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@ -1423,21 +1428,7 @@ if test "x$GCC" = xyes; then
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)
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fi
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if test "x$check_pipe" = xyes; then
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AC_MSG_CHECKING(whether -pipe works)
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save_CFLAGS="$CFLAGS"
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CFLAGS="$CFLAGS -pipe"
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pipe_ok=no
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AC_TRY_COMPILE(
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[],
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[],
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pipe_ok=yes
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AC_MSG_RESULT(yes),
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AC_MSG_RESULT(no)
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)
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CFLAGS="$save_CFLAGS"
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if test "x$pipe_ok" = xyes; then
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CFLAGS="$CFLAGS -pipe"
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fi
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QF_CC_OPTION(-pipe)
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fi
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dnl QuakeForge uses lots of BCPL-style (//) comments, which can cause problems
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@ -1472,7 +1463,7 @@ AC_ARG_ENABLE(Werror,
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dnl We want warnings, lots of warnings...
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if test "x$GCC" = "xyes"; then
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if test "x$enable_Werror" $cvs_def_enabled; then
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CFLAGS="$CFLAGS -Wall -Werror -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations -Winline"
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CFLAGS="$CFLAGS -Wall -Werror -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations"
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else
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CFLAGS="$CFLAGS -Wall"
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fi
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