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- use `Requires.private` and `Libs.private` in pkgconfig files to prevent overlinking in downstream libraries
- added `pkgconfig` as a `BuildRequires` for RPMs
- bumped required version of pkg-config to 0.18.0 everywhere I could think of

Original: 236b7674e60248bbbb31afa4755cf8803250d5ba

- Install directly to $(htmldir) instead of $(docdir)/doxygen
- Regenerate install regex for every installed directory, so
  that replaced paths are relative to each installed file as
  opposed to the base directory; fixes search box not working
Original: 1a65d64ca505957fd7fa04a08972bb90c7dc48bc

- Doxygen build system moved to per-library doxygen/ directories.
- Minimum required Doxygen version set to 1.8.1.2 (Wheezy).
- Doxygen layout from v1.8.1.2, configuration from 1.8.5 (SL7).
- Support local MathJax installation with --with-mathjax option.
- Drop support for unwieldy PDF documentation.
- Doxygenise last vestiges of LaTeX documentation in LALApps.
- Unused documentation files moved to per-library attic/ directories.
- Fix Doxygen warnings, and enforce Doxygen builds without warnings.
Original: 7bffd0bf027b06a4b0cc044748a2ae3729739b77

- replace with either fopen() (in tests) or LALFopen() (everywhere else)
  with mode "rb" (for SFTs) or "r" (everywhere else)
- in XLALFindFiles(), remove prefixing of relative file names with './'
  to avoid LAL_DATA_PATH look-up; this is no longer necessary
- no longer set LAL_DATA_PATH in environment scripts and pkg-config files,
  but do set LAL..._DATADIR in environment scripts to $(pkgdatadir)
- refs #1676
Original: 933fe1e25ccbb8c8549ad939888d45d0552abaed

This reverts commit 300bc8364e892a535704e0c6f6c769b65ee0e8ec.
Original: 616bb8afe0e0c2c19d6cf4247c5c2f838e928d5c

This reverts commit 25beb73c29476527b47ae0f8ebb75fcbabaae114.
Original: 300bc8364e892a535704e0c6f6c769b65ee0e8ec

Original: 25beb73c29476527b47ae0f8ebb75fcbabaae114

The -fopenmp flag really needs to be propagated to all dependencies.
Original: 08cb4352d7ac88e116007b03fdac7e6b2fad39ed

- and paths to uninstalled data files, and Octave and Python modules
- use Automake AM_CFLAGS, etc. variables for compiler/linker flags,
  reserving CFLAGS, etc. for the user per GNU coding standards
- new macro LALSUITE_CHECK_LIBRARY_FOR_SUPPORT for checking config headers
- refs #1071
Original: 349a041f22bf68574ed37238c5fb205d71929706

- point to installed ${pkgdatadir} for each library
- determine either from environment or pkg-config
- saved between ./configure calls with AC_ARG_VAR (except LALSupport)
- LALSUITE_TOP_SRCDIR no longer needed
- refs #608
Original: 78aa03560f5874fc6b2acc6069fa747821d50e9e

This reverts commit 7c9e0e84c201335588efd85c9d44c1e4807f9716.
Original: e8d3be35ea6f20a3c52647acc5cd5401c04b7127

This will prevent significant gratuitous linkage for programs using
pkg-config to link against lal and company, but shouldn't break static
linkage.
Original: 7c9e0e84c201335588efd85c9d44c1e4807f9716

Added lalpular in the requirement for lalinference, so that pkg-config lists lalpulsar for lalinference.
Original: ebb0a357abb80df38c4ba8b8ff4e654715ecb901

Original: 8a6b253e0ff07ccbafce54563a6fda624f8d06db

Original: b03f1788ee817d834350e620eb1c79741e90a3eb