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Use posix_fadvise(2) only if it's available.

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This commit is contained in:
Juan RP
2012-12-15 10:47:30 +01:00
parent 5dab658d09
commit b75cd05c37
2 changed files with 49 additions and 38 deletions
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72
configure vendored
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@@ -4,12 +4,6 @@
VERSION=0.19
# Ensure that we do not inherit these from env
STRLCPY=
STRLCAT=
VASPRINTF=
HUMANIZE_NUMBER=
LIBFETCH=
PROPLIB=
OS=
BUILD=
HOST=
@@ -330,21 +324,38 @@ int main(void) {
}
EOF
if $XCC _$func.c -o _$func 2>/dev/null; then
VASPRINTF=yes
echo yes.
echo "CPPFLAGS += -DHAVE_VASPRINTF" >> $CONFIG_MK
else
VASPRINTF=no
echo no.
echo "COMPAT_SRCS+= compat/vasprintf.o" >>$CONFIG_MK
echo "#include \"compat.h\"" >>$CONFIG_H
fi
echo "$VASPRINTF."
rm -f _$func.c _$func
# Check for posix_fadvise(2)
func=posix_fadvise
printf "Checking for $func() ... "
cat <<EOF >_$func.c
#include <fcntl.h>
int main(void) {
posix_fadvise(0, 0, 0, POSIX_FADV_NORMAL);
return 0;
}
EOF
if $XCC _$func.c -o _$func 2>/dev/null; then
echo "yes."
echo "CPPFLAGS += -DHAVE_POSIX_FADVISE" >>$CONFIG_MK
else
echo "no."
fi
rm -f _$func _$func.c
#
# Check for strcasestr().
#
func=strcasestr
printf "Checking for $func() ..."
printf "Checking for $func() ... "
cat <<EOF >_$func.c
#define _GNU_SOURCE
#include <string.h>
@@ -356,14 +367,13 @@ int main(void) {
}
EOF
if $XCC _$func.c -o _$func 2>/dev/null; then
STRCASESTR=yes
echo yes.
echo "CPPFLAGS += -DHAVE_STRCASESTR" >>$CONFIG_MK
else
STRCASESTR=no
echo no.
echo "COMPAT_SRCS += compat/strcasestr.o" >>$CONFIG_MK
echo "#include \"compat.h\"" >>$CONFIG_H
fi
echo "$STRCASESTR."
rm -f _$func _$func.c
#
@@ -381,14 +391,13 @@ int main(void) {
}
EOF
if $XCC _$func.c -o _$func 2>/dev/null; then
STRLCPY=yes
echo yes.
echo "CPPFLAGS += -DHAVE_STRLCPY" >> $CONFIG_MK
else
STRLCPY=no
echo no.
echo "COMPAT_SRCS += compat/strlcpy.o" >>$CONFIG_MK
echo "#include \"compat.h\"" >>$CONFIG_H
fi
echo "$STRLCPY."
rm -f _$func.c _$func
#
@@ -405,14 +414,13 @@ int main(void) {
}
EOF
if $XCC _$func.c -o _$func 2>/dev/null; then
STRLCAT=yes
echo yes.
echo "CPPFLAGS += -DHAVE_STRLCAT" >>$CONFIG_MK
else
STRLCAT=no
echo no.
echo "COMPAT_SRCS += compat/strlcat.o" >>$CONFIG_MK
echo "#include \"compat.h\"" >>$CONFIG_H
fi
echo "$STRLCAT."
rm -f _$func.c _$func
#
@@ -429,14 +437,13 @@ int main(void) {
}
EOF
if $XCC -lutil _$func.c -o _$func 2>/dev/null; then
HUMANIZE_NUMBER=yes
echo yes.
echo "CPPFLAGS+= -DHAVE_HUMANIZE_NUMBER" >>$CONFIG_MK
else
HUMANIZE_NUMBER=no
echo no.
echo "COMPAT_SRCS+= compat/humanize_number.o" >>$CONFIG_MK
echo "#include \"compat.h\"" >>$CONFIG_H
fi
echo "$HUMANIZE_NUMBER."
rm -f _$func.c _$func
#
@@ -452,13 +459,12 @@ int main(void) {
}
EOF
if $XCC _$func.c -o _$func 2>/dev/null; then
RBTREE=yes
echo yes.
echo "CPPFLAGS += -DHAVE_RBTREE" >>$CONFIG_MK
else
RBTREE=no
echo no.
echo "LIBPROP_OBJS += portableproplib/rb.o" >>$CONFIG_MK
fi
echo "$RBTREE."
rm -f _$func.c _$func
#
@@ -474,16 +480,15 @@ int main(void) {
}
EOF
if $XCC -lfetch _$func.c -o _$func 2>/dev/null; then
LIBFETCH=yes
echo yes.
echo "USE_EXTERNAL_LIBFETCH = 1" >>$CONFIG_MK
echo "LDFLAGS += -lfetch" >>$CONFIG_MK
echo "STATIC_LIBS = \$(TOPDIR)/lib/libxbps.a -lfetch" >>$CONFIG_MK
else
LIBFETCH=no
echo no.
echo "CPPFLAGS += -I\$(TOPDIR)/lib/fetch" >>$CONFIG_MK
echo "STATIC_LIBS = \$(TOPDIR)/lib/libxbps.a" >>$CONFIG_MK
fi
echo "$LIBFETCH."
rm -f _$func.c _$func
#
@@ -500,17 +505,16 @@ int main(void) {
}
EOF
if $XCC -lprop _$func.c -o _$func 2>/dev/null; then
PROPLIB=yes
echo yes.
echo "USE_EXTERNAL_PROPLIB = 1" >>$CONFIG_MK
echo "LDFLAGS += -lz -lpthread -lprop" >>$CONFIG_MK
echo "STATIC_LIBS += -lprop -lz -lpthread" >>$CONFIG_MK
else
PROPLIB=no
echo no.
echo "CPPFLAGS += -I\$(TOPDIR)/lib/portableproplib" >>$CONFIG_MK
echo "LDFLAGS += -lpthread" >>$CONFIG_MK
echo "STATIC_LIBS += -lpthread" >>$CONFIG_MK
fi
echo "$PROPLIB."
rm -f _$func.c _$func
#
@@ -555,13 +559,12 @@ int main(void) {
}
EOF
if $XCC -lz _$func.c -o _$func 2>/dev/null; then
ZLIB=yes
echo yes.
echo "LDFLAGS += -lz" >>$CONFIG_MK
echo "STATIC_LIBS += -lz" >>$CONFIG_MK
else
ZLIB=no
fi
echo "$ZLIB."
rm -f _$func.c _$func
if [ "$ZLIB" = "no" ]; then
echo "Failed to link with your system's zlib, can't continue..."
@@ -665,12 +668,11 @@ int main(void) {
}
EOF
if $XCC -lcrypto _$func.c -o _$func 2>/dev/null; then
CRYPTO_SHA256=yes
echo yes.
echo "LDFLAGS += -lcrypto" >>$CONFIG_MK
else
CRYPTO_SHA256=no
fi
echo "$ZLIB."
rm -f _$func.c _$func
if [ "$CRYPTO_SHA256" = "no" ]; then
echo "Failed to link with your system's OpenSSL library, can't continue..."