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Fix bashisms (#749)
The configure script relied on bash-specific extensions to shell syntax and behavior, causing build failures on systems with other /bin/sh implementations. This commit replaces those with equivalent constructs that should work in all POSIX shells.
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@ -66,7 +66,7 @@ dnl glibc 2.25 deprecates 'major' and 'minor' in <sys/types.h> and requires to
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dnl include <sys/sysmacros.h>. However the logic in AC_HEADER_MAJOR has not yet
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dnl been updated in Autoconf 2.69, so use a workaround:
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m4_version_prereq([2.70], [],
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[if test $ac_cv_header_sys_mkdev_h = no; then
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[if test "x$ac_cv_header_sys_mkdev_h" = xno; then
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AC_CHECK_HEADER(sys/sysmacros.h, [AC_DEFINE(MAJOR_IN_SYSMACROS, 1,
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[Define to 1 if `major', `minor', and `makedev' are declared in <sys/sysmacros.h>.])])
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fi])
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@ -278,8 +278,8 @@ then
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PKG_PROG_PKG_CONFIG()
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PKG_CHECK_MODULES(LIBNL3, libnl-3.0, [], [missing_libraries="$missing_libraries libnl-3"])
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PKG_CHECK_MODULES(LIBNL3GENL, libnl-genl-3.0, [], [missing_libraries="$missing_libraries libnl-genl-3"])
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CFLAGS+=" $LIBNL3_CFLAGS $LIBNL3GENL_CFLAGS"
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LIBS+=" $LIBNL3_LIBS $LIBNL3GENL_LIBS"
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CFLAGS="$CFLAGS $LIBNL3_CFLAGS $LIBNL3GENL_CFLAGS"
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LIBS="$LIBS $LIBNL3_LIBS $LIBNL3GENL_LIBS"
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AC_DEFINE(HAVE_DELAYACCT, 1, [Define if delay accounting support should be enabled.])
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fi
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