+echo $ac_n "checking for working const""... $ac_c" 1>&6
+echo "configure:2015: checking for working const" >&5
+if eval "test \"`echo '$''{'ac_cv_c_const'+set}'`\" = set"; then
+ echo $ac_n "(cached) $ac_c" 1>&6
+else
+ cat > conftest.$ac_ext <<EOF
+#line 2020 "configure"
+#include "confdefs.h"
+
+int main() {
+
+/* Ultrix mips cc rejects this. */
+typedef int charset[2]; const charset x;
+/* SunOS 4.1.1 cc rejects this. */
+char const *const *ccp;
+char **p;
+/* NEC SVR4.0.2 mips cc rejects this. */
+struct point {int x, y;};
+static struct point const zero = {0,0};
+/* AIX XL C 1.02.0.0 rejects this.
+ It does not let you subtract one const X* pointer from another in an arm
+ of an if-expression whose if-part is not a constant expression */
+const char *g = "string";
+ccp = &g + (g ? g-g : 0);
+/* HPUX 7.0 cc rejects these. */
+++ccp;
+p = (char**) ccp;
+ccp = (char const *const *) p;
+{ /* SCO 3.2v4 cc rejects this. */
+ char *t;
+ char const *s = 0 ? (char *) 0 : (char const *) 0;
+
+ *t++ = 0;
+}
+{ /* Someone thinks the Sun supposedly-ANSI compiler will reject this. */
+ int x[] = {25, 17};
+ const int *foo = &x[0];
+ ++foo;
+}
+{ /* Sun SC1.0 ANSI compiler rejects this -- but not the above. */
+ typedef const int *iptr;
+ iptr p = 0;
+ ++p;
+}
+{ /* AIX XL C 1.02.0.0 rejects this saying
+ "k.c", line 2.27: 1506-025 (S) Operand must be a modifiable lvalue. */
+ struct s { int j; const int *ap[3]; };
+ struct s *b; b->j = 5;
+}
+{ /* ULTRIX-32 V3.1 (Rev 9) vcc rejects this */
+ const int foo = 10;
+}
+
+; return 0; }
+EOF
+if { (eval echo configure:2069: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+ rm -rf conftest*
+ ac_cv_c_const=yes
+else
+ echo "configure: failed program was:" >&5
+ cat conftest.$ac_ext >&5
+ rm -rf conftest*
+ ac_cv_c_const=no
+fi
+rm -f conftest*
+fi
+
+echo "$ac_t""$ac_cv_c_const" 1>&6
+if test $ac_cv_c_const = no; then
+ cat >> confdefs.h <<\EOF
+#define const
+EOF
+
+fi
+
+
+echo $ac_n "checking for signal global datatype""... $ac_c" 1>&6
+echo "configure:2091: checking for signal global datatype" >&5
+if eval "test \"`echo '$''{'cf_cv_sig_atomic_t'+set}'`\" = set"; then
+ echo $ac_n "(cached) $ac_c" 1>&6
+else
+
+ for cf_type in \
+ "volatile sig_atomic_t" \
+ "sig_atomic_t" \
+ "int"
+ do
+ cat > conftest.$ac_ext <<EOF
+#line 2102 "configure"
+#include "confdefs.h"
+
+#include <sys/types.h>
+#include <signal.h>
+#include <stdio.h>
+
+extern $cf_type x;
+$cf_type x;
+static void handler(int sig)
+{
+ x = 5;
+}
+int main() {
+signal(SIGINT, handler);
+ x = 1
+; return 0; }
+EOF
+if { (eval echo configure:2120: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+ rm -rf conftest*
+ cf_cv_sig_atomic_t=$cf_type
+else
+ echo "configure: failed program was:" >&5
+ cat conftest.$ac_ext >&5
+ rm -rf conftest*
+ cf_cv_sig_atomic_t=no
+fi
+rm -f conftest*
+ test "$cf_cv_sig_atomic_t" != no && break
+ done
+
+fi
+
+echo "$ac_t""$cf_cv_sig_atomic_t" 1>&6
+test "$cf_cv_sig_atomic_t" != no && cat >> confdefs.h <<EOF
+#define SIG_ATOMIC_T $cf_cv_sig_atomic_t
+EOF
+
+
+
+
+echo $ac_n "checking if you want to see long compiling messages""... $ac_c" 1>&6
+echo "configure:2144: checking if you want to see long compiling messages" >&5
+
+# Check whether --enable-echo or --disable-echo was given.
+if test "${enable_echo+set}" = set; then
+ enableval="$enable_echo"
+ test "$enableval" != no && enableval=yes
+ if test "$enableval" != "yes" ; then
+
+ ECHO_LT='--silent'
+ ECHO_LD='@echo linking $@;'
+ RULE_CC=' @echo compiling $<'
+ SHOW_CC=' @echo compiling $@'
+ ECHO_CC='@'
+
+ else
+
+ ECHO_LT=''
+ ECHO_LD=''
+ RULE_CC='# compiling'
+ SHOW_CC='# compiling'
+ ECHO_CC=''
+
+ fi
+else
+ enableval=yes
+
+ ECHO_LT=''
+ ECHO_LD=''
+ RULE_CC='# compiling'
+ SHOW_CC='# compiling'
+ ECHO_CC=''
+
+
+fi
+
+echo "$ac_t""$enableval" 1>&6
+
+
+
+
+
+
+
+
+GCC_VERSION=none
+if test "$GCC" = yes ; then
+ echo $ac_n "checking version of $CC""... $ac_c" 1>&6
+echo "configure:2191: checking version of $CC" >&5
+ GCC_VERSION="`${CC} --version| sed -e '2,$d' -e 's/^.*(GCC) //' -e 's/^[^0-9.]*//' -e 's/[^0-9.].*//'`"
+ test -z "$GCC_VERSION" && GCC_VERSION=unknown
+ echo "$ac_t""$GCC_VERSION" 1>&6
+fi
+
+
+if ( test "$GCC" = yes || test "$GXX" = yes )
+then
+echo $ac_n "checking if you want to turn on gcc warnings""... $ac_c" 1>&6
+echo "configure:2201: checking if you want to turn on gcc warnings" >&5
+
+# Check whether --enable-warnings or --disable-warnings was given.
+if test "${enable_warnings+set}" = set; then
+ enableval="$enable_warnings"
+ test "$enableval" != yes && enableval=no
+ if test "$enableval" != "no" ; then
+ with_warnings=yes
+ else
+ with_warnings=no
+ fi
+else
+ enableval=no
+ with_warnings=no
+
+fi
+
+echo "$ac_t""$with_warnings" 1>&6
+if test "$with_warnings" = "yes"
+then
+
+
+
+INTEL_COMPILER=no
+
+if test "$GCC" = yes ; then
+ case $host_os in
+ linux*|gnu*)
+ echo $ac_n "checking if this is really Intel C compiler""... $ac_c" 1>&6
+echo "configure:2230: checking if this is really Intel C compiler" >&5
+ cf_save_CFLAGS="$CFLAGS"
+ CFLAGS="$CFLAGS -no-gcc"
+ cat > conftest.$ac_ext <<EOF
+#line 2234 "configure"
+#include "confdefs.h"
+
+int main() {
+
+#ifdef __INTEL_COMPILER
+#else
+make an error
+#endif
+
+; return 0; }
+EOF
+if { (eval echo configure:2246: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+ rm -rf conftest*
+ INTEL_COMPILER=yes
+cf_save_CFLAGS="$cf_save_CFLAGS -we147 -no-gcc"
+
+else
+ echo "configure: failed program was:" >&5
+ cat conftest.$ac_ext >&5
+fi
+rm -f conftest*
+ CFLAGS="$cf_save_CFLAGS"
+ echo "$ac_t""$INTEL_COMPILER" 1>&6
+ ;;
+ esac
+fi
+
+
+cat > conftest.$ac_ext <<EOF
+#line 2264 "configure"
+int main(int argc, char *argv[]) { return (argv[argc-1] == 0) ; }
+EOF
+
+if test "$INTEL_COMPILER" = yes
+then
+# The "-wdXXX" options suppress warnings:
+# remark #1419: external declaration in primary source file
+# remark #1682: implicit conversion of a 64-bit integral type to a smaller integral type (potential portability problem)
+# remark #1683: explicit conversion of a 64-bit integral type to a smaller integral type (potential portability problem)
+# remark #1684: conversion from pointer to same-sized integral type (potential portability problem)
+# remark #193: zero used for undefined preprocessing identifier
+# remark #593: variable "curs_sb_left_arrow" was set but never used
+# remark #810: conversion from "int" to "Dimension={unsigned short}" may lose significant bits
+# remark #869: parameter "tw" was never referenced
+# remark #981: operands are evaluated in unspecified order
+# warning #269: invalid format string conversion
+
+ echo "checking for $CC warning options" 1>&6
+echo "configure:2283: checking for $CC warning options" >&5
+ cf_save_CFLAGS="$CFLAGS"
+ EXTRA_CFLAGS="-Wall"
+ for cf_opt in \
+ wd1419 \
+ wd1682 \
+ wd1683 \
+ wd1684 \
+ wd193 \
+ wd279 \
+ wd593 \
+ wd810 \
+ wd869 \
+ wd981
+ do
+ CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
+ if { (eval echo configure:2299: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+ test -n "$verbose" && echo "$ac_t""... -$cf_opt" 1>&6
+ EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
+ fi
+ done
+ CFLAGS="$cf_save_CFLAGS"
+
+elif test "$GCC" = yes
+then
+ echo "checking for $CC warning options" 1>&6
+echo "configure:2309: checking for $CC warning options" >&5
+ cf_save_CFLAGS="$CFLAGS"
+ EXTRA_CFLAGS="-W -Wall"
+ cf_warn_CONST=""
+ test "$with_ext_const" = yes && cf_warn_CONST="Wwrite-strings"
+ for cf_opt in \
+ Wbad-function-cast \
+ Wcast-align \
+ Wcast-qual \
+ Winline \
+ Wmissing-declarations \
+ Wmissing-prototypes \
+ Wnested-externs \
+ Wpointer-arith \
+ Wshadow \
+ Wstrict-prototypes \
+ Wundef $cf_warn_CONST
+ do
+ CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
+ if { (eval echo configure:2328: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+ test -n "$verbose" && echo "$ac_t""... -$cf_opt" 1>&6
+ case $cf_opt in #(vi
+ Wcast-qual) #(vi
+ CPPFLAGS="$CPPFLAGS -DXTSTRINGDEFINES"
+ ;;
+ Winline) #(vi
+ case $GCC_VERSION in
+ 3.3*)
+ test -n "$verbose" && echo " feature is broken in gcc $GCC_VERSION" 1>&6
+
+ continue;;
+ esac
+ ;;
+ esac
+ EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
+ fi
+ done
+ CFLAGS="$cf_save_CFLAGS"
+fi
+rm -f conftest*
+
+
+
+fi
+fi
+
projects / ncurses.git / commitdiff