mirror of
https://code.semirocket.science/wrapsix
synced 2024-11-08 15:21:00 +02:00
Checking for support of each CFLAG
This commit is contained in:
parent
95bfbe93e2
commit
958a177c3c
@ -1 +1,2 @@
|
||||
ACLOCAL_AMFLAGS = -I m4
|
||||
SUBDIRS = src
|
||||
|
@ -1,3 +1,6 @@
|
||||
# This file uses AC_CONFIG_MACRO_DIR, so we need Autoconf 2.58 or better.
|
||||
AC_PREREQ([2.58])
|
||||
|
||||
AC_INIT([WrapSix], [0.1.99.0], [xhire@mujmalysvet.cz])
|
||||
AM_INIT_AUTOMAKE([-Wall -Werror])
|
||||
|
||||
@ -10,6 +13,7 @@ AC_CONFIG_FILES([
|
||||
Makefile
|
||||
src/Makefile
|
||||
])
|
||||
AC_CONFIG_MACRO_DIR([m4])
|
||||
|
||||
###
|
||||
# Configuration options
|
||||
@ -21,10 +25,10 @@ AC_ARG_ENABLE([debug],
|
||||
[debug=no])
|
||||
|
||||
if test "x$debug" = "xyes"; then
|
||||
AM_CFLAGS="${AM_CFLAGS} -g -ggdb -O0 -pipe -pedantic -Wshadow -Wall -Wextra -Wno-missing-field-initializers -Wno-unused-parameter -Wold-style-definition -Wdeclaration-after-statement -Wmissing-declarations -Wmissing-prototypes -Wredundant-decls -Wshadow -Wpointer-arith -Wcast-align -Wwrite-strings -Winline -Wformat-nonliteral -Wformat-security -Wswitch-enum -Winit-self -Wmissing-include-dirs -Wundef -Waggregate-return -Wnested-externs -Wunsafe-loop-optimizations"
|
||||
AS_COMPILER_FLAGS(AM_CFLAGS, "-g -ggdb -O0 -pipe -pedantic -Wshadow -Wall -Wextra -Wno-missing-field-initializers -Wno-unused-parameter -Wold-style-definition -Wdeclaration-after-statement -Wmissing-declarations -Wmissing-prototypes -Wstrict-prototypes -Wredundant-decls -Wmissing-noreturn -Wshadow -Wpointer-arith -Wcast-align -Wwrite-strings -Winline -Wformat-nonliteral -Wformat-security -Wswitch-enum -Winit-self -Wmissing-include-dirs -Wundef -Waggregate-return -Wnested-externs -Wunsafe-loop-optimizations -Winvalid-pch")
|
||||
AC_DEFINE([DEBUG])
|
||||
else
|
||||
AM_CFLAGS="${AM_CFLAGS} -O2"
|
||||
AS_COMPILER_FLAGS(AM_CFLAGS, "-O2")
|
||||
fi
|
||||
|
||||
###
|
||||
|
61
m4/as-compiler-flag.m4
Normal file
61
m4/as-compiler-flag.m4
Normal file
@ -0,0 +1,61 @@
|
||||
dnl as-compiler-flag.m4 0.1.0
|
||||
|
||||
dnl autostars m4 macro for detection of compiler flags
|
||||
|
||||
dnl David Schleef <ds@schleef.org>
|
||||
|
||||
dnl $Id: as-compiler-flag.m4,v 1.1 2005/12/15 23:35:19 ds Exp $
|
||||
|
||||
dnl AS_COMPILER_FLAG(CFLAGS, ACTION-IF-ACCEPTED, [ACTION-IF-NOT-ACCEPTED])
|
||||
dnl Tries to compile with the given CFLAGS.
|
||||
dnl Runs ACTION-IF-ACCEPTED if the compiler can compile with the flags,
|
||||
dnl and ACTION-IF-NOT-ACCEPTED otherwise.
|
||||
|
||||
AC_DEFUN([AS_COMPILER_FLAG],
|
||||
[
|
||||
AC_MSG_CHECKING([to see if compiler understands $1])
|
||||
|
||||
save_CFLAGS="$CFLAGS"
|
||||
CFLAGS="$CFLAGS $1"
|
||||
|
||||
AC_TRY_COMPILE([ ], [], [flag_ok=yes], [flag_ok=no])
|
||||
CFLAGS="$save_CFLAGS"
|
||||
|
||||
if test "X$flag_ok" = Xyes ; then
|
||||
m4_ifvaln([$2],[$2])
|
||||
true
|
||||
else
|
||||
m4_ifvaln([$3],[$3])
|
||||
true
|
||||
fi
|
||||
AC_MSG_RESULT([$flag_ok])
|
||||
])
|
||||
|
||||
dnl AS_COMPILER_FLAGS(VAR, FLAGS)
|
||||
dnl Tries to compile with the given CFLAGS.
|
||||
|
||||
AC_DEFUN([AS_COMPILER_FLAGS],
|
||||
[
|
||||
list=$2
|
||||
flags_supported=""
|
||||
flags_unsupported=""
|
||||
AC_MSG_CHECKING([for supported compiler flags])
|
||||
for each in $list
|
||||
do
|
||||
save_CFLAGS="$CFLAGS"
|
||||
CFLAGS="$CFLAGS $each"
|
||||
AC_TRY_COMPILE([ ], [], [flag_ok=yes], [flag_ok=no])
|
||||
CFLAGS="$save_CFLAGS"
|
||||
|
||||
if test "X$flag_ok" = Xyes ; then
|
||||
flags_supported="$flags_supported $each"
|
||||
else
|
||||
flags_unsupported="$flags_unsupported $each"
|
||||
fi
|
||||
done
|
||||
AC_MSG_RESULT([$flags_supported])
|
||||
if test "X$flags_unsupported" != X ; then
|
||||
AC_MSG_WARN([unsupported compiler flags: $flags_unsupported])
|
||||
fi
|
||||
$1="$$1 $flags_supported"
|
||||
])
|
Loading…
Reference in New Issue
Block a user