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0c3b7677f9
GMP has pkg-config integration since 2019-08-22 (version ~6.2.0).
This optionally finds the GMP library using pkg-config or falls back to
find library on the system or with the provided configure option
argument (--with-gmp=DIR).
When using DIR argument, the pkg-config check is silently skipped.
When not using DIR argument, the GMP_CFLAGS and GMP_LIBS can be also
used to find the GMP library:
./configure --with-gmp \
GMP_CFLAGS=-I/path/to/gmp/include \
GMP_LIBS="-L/path/to/gmp -lgmp"
44 lines
1.3 KiB
Text
44 lines
1.3 KiB
Text
PHP_ARG_WITH([gmp],
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[for GNU MP support],
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[AS_HELP_STRING([[--with-gmp[=DIR]]],
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[Include GNU MP support. Use PKG_CONFIG_PATH (or GMP_CFLAGS and GMP_LIBS)
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environment variables, or alternatively the optional DIR argument to
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customize where to look for the GNU MP library.])])
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if test "$PHP_GMP" != "no"; then
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gmp_found=no
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AS_VAR_IF([PHP_GMP], [yes],
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[PKG_CHECK_MODULES([GMP], [gmp >= 4.2], [gmp_found=yes], [:])])
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AS_VAR_IF([gmp_found], [no], [AS_VAR_IF([PHP_GMP], [yes], [GMP_LIBS=-lgmp], [
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GMP_LIBS="-L$PHP_GMP/$PHP_LIBDIR -lgmp"
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GMP_CFLAGS="-I$PHP_GMP/include"
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])])
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dnl Sanity check.
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CFLAGS_SAVED=$CFLAGS
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LIBS_SAVED=$LIBS
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CFLAGS="$CFLAGS $GMP_CFLAGS"
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LIBS="$LIBS $GMP_LIBS"
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gmp_check=no
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AC_CHECK_HEADER([gmp.h], [AC_CHECK_FUNC([__gmpz_rootrem], [gmp_check=yes])])
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CFLAGS=$CFLAGS_SAVED
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LIBS=$LIBS_SAVED
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AS_VAR_IF([gmp_check], [no], [AC_MSG_FAILURE([
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The required GNU MP library version 4.2 or greater not found.
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])])
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PHP_EVAL_LIBLINE([$GMP_LIBS], [GMP_SHARED_LIBADD])
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PHP_EVAL_INCLINE([$GMP_CFLAGS])
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PHP_INSTALL_HEADERS([ext/gmp], [php_gmp_int.h])
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PHP_NEW_EXTENSION([gmp],
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[gmp.c],
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[$ext_shared],,
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[-DZEND_ENABLE_STATIC_TSRMLS_CACHE=1])
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PHP_SUBST([GMP_SHARED_LIBADD])
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AC_DEFINE([HAVE_GMP], [1],
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[Define to 1 if the PHP extension 'gmp' is available.])
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fi
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