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ffmpeg.wasm-core
Commit 27565164 authored by Diego Biurrun's avatar Diego Biurrun
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configure: Split host and target libc detection

parent c869fcde
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Showing with 73 additions and 40 deletions
configure
View file @ 27565164
...@@ -1004,6 +1004,10 @@ require_pkg_config(){ ...@@ -1004,6 +1004,10 @@ require_pkg_config(){
add_extralibs $(get_safe ${pkg}_libs) add_extralibs $(get_safe ${pkg}_libs)
} }
hostcc_e(){
eval printf '%s\\n' $HOSTCC_E
}
hostcc_o(){ hostcc_o(){
eval printf '%s\\n' $HOSTCC_O eval printf '%s\\n' $HOSTCC_O
} }
...@@ -1015,6 +1019,13 @@ check_host_cc(){ ...@@ -1015,6 +1019,13 @@ check_host_cc(){
check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
} }
check_host_cpp(){
log check_host_cpp "$@"
cat > $TMPC
log_file $TMPC
check_cmd $host_cc $HOSTCPPFLAGS $HOSTCFLAGS "$@" $(hostcc_e $TMPO) $TMPC
}
check_host_cppflags(){ check_host_cppflags(){
log check_host_cppflags "$@" log check_host_cppflags "$@"
check_host_cc "$@" <<EOF && append host_cppflags "$@" check_host_cc "$@" <<EOF && append host_cppflags "$@"
...@@ -1030,6 +1041,19 @@ int x; ...@@ -1030,6 +1041,19 @@ int x;
EOF EOF
} }
check_host_cpp_condition(){
log check_host_cpp_condition "$@"
header=$1
condition=$2
shift 2
check_host_cpp "$@" <<EOF
#include <$header>
#if !($condition)
#error "unsatisfied condition: $condition"
#endif
EOF
}
apply(){ apply(){
file=$1 file=$1
shift shift
...@@ -2073,11 +2097,12 @@ LD_O='-o $@' ...@@ -2073,11 +2097,12 @@ LD_O='-o $@'
LD_LIB='-l%' LD_LIB='-l%'
LD_PATH='-L' LD_PATH='-L'
HOSTCC_C='-c' HOSTCC_C='-c'
HOSTCC_E='-E -o $@'
HOSTCC_O='-o $@' HOSTCC_O='-o $@'
HOSTLD_O='-o $@' HOSTLD_O='-o $@'
host_cflags='-O3 -g' host_cflags='-O3 -g'
host_cppflags='-D_ISOC99_SOURCE -D_XOPEN_SOURCE=600' host_cppflags='-D_ISOC99_SOURCE'
host_libs='-lm' host_libs='-lm'
host_cflags_filter=echo host_cflags_filter=echo
host_ldflags_filter=echo host_ldflags_filter=echo
...@@ -3371,46 +3396,53 @@ esac ...@@ -3371,46 +3396,53 @@ esac
# determine libc flavour # determine libc flavour
# uclibc defines __GLIBC__, so it needs to be checked before glibc. probe_libc(){
if check_cpp_condition features.h "defined __UCLIBC__"; then pfx=$1
libc_type=uclibc # uclibc defines __GLIBC__, so it needs to be checked before glibc.
add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then
elif check_cpp_condition features.h "defined __GLIBC__"; then eval ${pfx}libc_type=uclibc
libc_type=glibc add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then
# MinGW headers can be installed on Cygwin, so check for newlib first. eval ${pfx}libc_type=glibc
elif check_cpp_condition newlib.h "defined _NEWLIB_VERSION"; then add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
libc_type=newlib # MinGW headers can be installed on Cygwin, so check for newlib first.
add_cppflags -U__STRICT_ANSI__ elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
# MinGW64 is backwards compatible with MinGW32, so check for it first. eval ${pfx}libc_type=newlib
elif check_cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then add_${pfx}cppflags -U__STRICT_ANSI__
libc_type=mingw64 # MinGW64 is backwards compatible with MinGW32, so check for it first.
add_cppflags -U__STRICT_ANSI__ elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then
elif check_cpp_condition _mingw.h "defined __MINGW32_VERSION"; then eval ${pfx}libc_type=mingw64
libc_type=mingw32 add_${pfx}cppflags -U__STRICT_ANSI__
check_cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \ elif check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then
(__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" || eval ${pfx}libc_type=mingw32
die "ERROR: MinGW32 runtime version must be >= 3.15." check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \
add_cppflags -U__STRICT_ANSI__ (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
elif check_cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then die "ERROR: MinGW32 runtime version must be >= 3.15."
libc_type=msvcrt add_${pfx}cppflags -U__STRICT_ANSI__
# The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then
# 0x601 by default unless something else is set by the user. eval ${pfx}libc_type=msvcrt
# This can easily lead to us detecting functions only present # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
# in such new versions and producing binaries requiring windows 7.0. # 0x601 by default unless something else is set by the user.
# Therefore explicitly set the default to XP unless the user has # This can easily lead to us detecting functions only present
# set something else on the command line. # in such new versions and producing binaries requiring windows 7.0.
check_cpp_condition stdlib.h "defined(_WIN32_WINNT)" || add_cppflags -D_WIN32_WINNT=0x0502 # Therefore explicitly set the default to XP unless the user has
elif check_cpp_condition stddef.h "defined __KLIBC__"; then # set something else on the command line.
libc_type=klibc check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||
elif check_cpp_condition sys/cdefs.h "defined __BIONIC__"; then add_${pfx}cppflags -D_WIN32_WINNT=0x0502
libc_type=bionic elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then
elif check_cpp_condition sys/brand.h "defined SOLARIS_BRAND_NAME"; then eval ${pfx}libc_type=klibc
libc_type=solaris elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then
add_cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600 eval ${pfx}libc_type=bionic
fi elif check_${pfx}cpp_condition sys/brand.h "defined SOLARIS_BRAND_NAME"; then
eval ${pfx}libc_type=solaris
add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
fi
}
probe_libc
test -n "$libc_type" && enable libc_$libc_type test -n "$libc_type" && enable libc_$libc_type
probe_libc host_
test -n "$host_libc_type" && enable host_libc_$host_libc_type
case $libc_type in case $libc_type in
bionic) bionic)
...@@ -4154,10 +4186,11 @@ check_deps $CONFIG_LIST \ ...@@ -4154,10 +4186,11 @@ check_deps $CONFIG_LIST \
echo "install prefix $prefix" echo "install prefix $prefix"
echo "source path $source_path" echo "source path $source_path"
echo "C compiler $cc" echo "C compiler $cc"
echo "C library $libc_type"
if test "$host_cc" != "$cc"; then if test "$host_cc" != "$cc"; then
echo "host C compiler $host_cc" echo "host C compiler $host_cc"
echo "host C library $host_libc_type"
fi fi
echo "C library $libc_type"
echo "ARCH $arch ($cpu)" echo "ARCH $arch ($cpu)"
if test "$build_suffix" != ""; then if test "$build_suffix" != ""; then
echo "build suffix $build_suffix" echo "build suffix $build_suffix"
......
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