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build: changed to only generate/install .pc file if pkg-config is found
This change improves the pkg-config support to only generate/install a .pc file if pkg-config is found, assuming it is part of the build toolchain. Note: The minimal version set for pkg-config is 0.25, because this is the oldest version I am able to test at the moment.
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@ -10,5 +10,7 @@ SUBDIRS = \
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src \
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test
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if HAVE_PKG_CONFIG
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pkgconfigdir = $(libdir)/pkgconfig
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pkgconfig_DATA = @PACKAGE_NAME@.pc
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endif
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@ -110,6 +110,10 @@ AC_SUBST([MAINT])
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dnl Checks
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PKG_PROG_PKG_CONFIG([0.25])
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AM_CONDITIONAL([HAVE_PKG_CONFIG], [test "x$PKG_CONFIG" != "x"])
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AC_SUBST(HAVE_PKG_CONFIG)
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AC_PROG_CC_C99
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AM_PROG_AS
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AC_USE_SYSTEM_EXTENSIONS
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@ -362,7 +366,9 @@ AH_VERBATIM([NDEBUG], [/* Never ever ignore assertions */
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#/**/undef/**/ NDEBUG
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#endif])
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AC_CONFIG_FILES([libsodium.pc])
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AS_IF([test "x$PKG_CONFIG" != "x"], [
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AC_CONFIG_FILES([libsodium.pc])
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])
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AC_CONFIG_FILES([Makefile
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src/Makefile
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src/libsodium/Makefile
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