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74 lines
2.3 KiB
74 lines
2.3 KiB
--- a/configure.ac
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+++ b/configure.ac
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@@ -1077,68 +1077,15 @@ dnl
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AC_ARG_VAR([LZ4_CFLAGS], [C compiler flags for lz4])
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AC_ARG_VAR([LZ4_LIBS], [linker flags for lz4])
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if test "$enable_lz4" = "yes" && test "$enable_comp_stub" = "no"; then
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- if test -z "${LZ4_CFLAGS}" -a -z "${LZ4_LIBS}"; then
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- # if the user did not explicitly specify flags, try to autodetect
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- PKG_CHECK_MODULES([LZ4],
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- [liblz4 >= 1.7.1 liblz4 < 100],
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- [have_lz4="yes"],
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- [LZ4_LIBS="-llz4"] # If this fails, we will do another test next.
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- # We also add set LZ4_LIBS otherwise the
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- # linker will not know about the lz4 library
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- )
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- fi
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saved_CFLAGS="${CFLAGS}"
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saved_LIBS="${LIBS}"
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CFLAGS="${CFLAGS} ${LZ4_CFLAGS}"
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LIBS="${LIBS} ${LZ4_LIBS}"
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- # If pkgconfig check failed or LZ4_CFLAGS/LZ4_LIBS env vars
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- # are used, check the version directly in the LZ4 include file
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- if test "${have_lz4}" != "yes"; then
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- AC_CHECK_HEADERS([lz4.h],
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- [have_lz4h="yes"],
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- [])
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-
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- if test "${have_lz4h}" = "yes" ; then
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- AC_MSG_CHECKING([additionally if system LZ4 version >= 1.7.1])
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- AC_COMPILE_IFELSE(
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- [AC_LANG_PROGRAM([[
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-#include <lz4.h>
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- ]],
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- [[
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-/* Version encoding: MMNNPP (Major miNor Patch) - see lz4.h for details */
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-#if LZ4_VERSION_NUMBER < 10701L
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-#error LZ4 is too old
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-#endif
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- ]]
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- )],
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- [
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- AC_MSG_RESULT([ok])
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- have_lz4="yes"
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- ],
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- [AC_MSG_RESULT([system LZ4 library is too old])]
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- )
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- fi
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- fi
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-
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- # Double check we have a few needed functions
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- if test "${have_lz4}" = "yes" ; then
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- AC_CHECK_LIB([lz4],
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- [LZ4_compress_default],
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- [],
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- [have_lz4="no"])
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- AC_CHECK_LIB([lz4],
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- [LZ4_decompress_safe],
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- [],
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- [have_lz4="no"])
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- fi
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-
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- if test "${have_lz4}" != "yes" ; then
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- AC_MSG_RESULT([ usable LZ4 library or header not found, using version in src/compat/compat-lz4.*])
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- AC_DEFINE([NEED_COMPAT_LZ4], [1], [use copy of LZ4 source in compat/])
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- LZ4_LIBS=""
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- fi
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+ AC_MSG_RESULT([ usable LZ4 library or header not found, using version in src/compat/compat-lz4.*])
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+ AC_DEFINE([NEED_COMPAT_LZ4], [1], [use copy of LZ4 source in compat/])
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+ LZ4_LIBS=""
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OPTIONAL_LZ4_CFLAGS="${LZ4_CFLAGS}"
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OPTIONAL_LZ4_LIBS="${LZ4_LIBS}"
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AC_DEFINE(ENABLE_LZ4, [1], [Enable LZ4 compression library])
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